Author Topic: Vega VV23 - THEOS 2, TRITON, rideshares - 9 October 2023 (01:36 UTC)  (Read 42518 times)

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THEOS 2

TRITON

Cross-post:
https://twitter.com/SAB_LS_Official/status/1540360468925190144
Quote
SAB Launch Services
@SAB_LS_Official
While moving closer to the Vega C Maiden Flight, let us introduce you our next VEGA C flight #VV23!

VV23 will be the first #VEGAC #Rideshare Mission of January 2023 in a SSO at 10.30 LTDN

We have the 3 last seats available to embark last minute passengers at a Special Rate!

main payload unknown

If there was a main payload on this flight it wouldn't be the first Vega C rideshare mission, as VV21 already features LARES 2 and a SSMS deployer.

I think the text says it will be the first Vega C rideshare flight without main payload, like it was the case on VV16.
VV21 is an ESA mission
I think the available Vega-C launches are too valuable to waste them on umpteen Cubesats.
So I belive there are one or two main payloads.

Definitely, this means a delay of the VV23 mission from Q4/2022 to 2023.
There are different statements about the orbit of Kompsat-7, but I haven't read LTDN 10:30 yet.
The launch is probably later.  ???
« Last Edit: 10/08/2023 05:01 pm by Galactic Penguin SST »
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Offline GWR64

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The long time "undisclosed" payload,  TRITON aka FORMOSAT-7R from Taiwan could be part of this launch.
Source in Chinese   [July 19]
Google translate
Quote
Taiwan-made satellites go to space> Wind Hunter satellite assembly completed and expected to launch in Q1 next year
Juheng.com reporter Liu Weiting Taipei   Tuesday, July 19, 2022 at 8:48 pm



The Ministry of Science and Technology held a press conference on the TRITON mission statement today (20), announcing that my country's second self-made satellite has completed all assembly work a few days ago, and will continue to complete a series of subsequent environmental and functional tests in the second half of the year. Ready status, the fastest first quarter of next year at the Guyana Space Center in French Guiana, aboard the French Arianespace company (Arianespace) Vega C (VEGAC) launch into space.

I don't understand Chinese, so no guarantee.  ;)


TRITON page at NSPO

Quote
TRITON (Wind-Hunter Satellite) is a satellite of about 250kg, designed and manufactured by NSPO. TRITON carries the Global Navigation Satellite System-Reflectometry (GNSS-R), independently developed by NSPO, to collect the GNSS signal reflected by the earth surface. Its mission is to conduct researches on air-sea interaction, and typhoon intensity prediction. Taiwan is greatly affected by typhoons every year, the information of sea wave height and sea surface wind speed, retrieved from the reflected signal, are useful for the research on typhoon intensity and path prediction.


To support TRITON mission, the GNSS-R data processing module is a combined efforts of NSPO, Central Weather Bureau (CWB), and domestic academic teams, which will be performed by the Taiwan RO Processing System (TROPS) to provide users the sea surface wind data. In addition, NSPO cooperates with the academic and research community to study the application of sea surface reflection signal data in meteorological numerical models, which is helpful for forecasting severe weather and reducing uncertainty in disaster warning.

The TRITON satellite will be launched on an Arianespace Vega C rideshare mission. The orbit is a circular low earth orbit within the altitude around 550~650km and the inclination angle of about 98 degree.
« Last Edit: 07/23/2022 05:05 pm by GWR64 »

Offline Galactic Penguin SST

The long time "undisclosed" payload,  TRITON aka FORMOSAT-7R from Taiwan could be part of this launch.
Source in Chinese   [July 19]
Google translate
Quote
Taiwan-made satellites go to space> Wind Hunter satellite assembly completed and expected to launch in Q1 next year
Juheng.com reporter Liu Weiting Taipei   Tuesday, July 19, 2022 at 8:48 pm



The Ministry of Science and Technology held a press conference on the TRITON mission statement today (20), announcing that my country's second self-made satellite has completed all assembly work a few days ago, and will continue to complete a series of subsequent environmental and functional tests in the second half of the year. Ready status, the fastest first quarter of next year at the Guyana Space Center in French Guiana, aboard the French Arianespace company (Arianespace) Vega C (VEGAC) launch into space.

I don't understand Chinese, so no guarantee.  ;)


TRITON page at NSPO

Quote
TRITON (Wind-Hunter Satellite) is a satellite of about 250kg, designed and manufactured by NSPO. TRITON carries the Global Navigation Satellite System-Reflectometry (GNSS-R), independently developed by NSPO, to collect the GNSS signal reflected by the earth surface. Its mission is to conduct researches on air-sea interaction, and typhoon intensity prediction. Taiwan is greatly affected by typhoons every year, the information of sea wave height and sea surface wind speed, retrieved from the reflected signal, are useful for the research on typhoon intensity and path prediction.


To support TRITON mission, the GNSS-R data processing module is a combined efforts of NSPO, Central Weather Bureau (CWB), and domestic academic teams, which will be performed by the Taiwan RO Processing System (TROPS) to provide users the sea surface wind data. In addition, NSPO cooperates with the academic and research community to study the application of sea surface reflection signal data in meteorological numerical models, which is helpful for forecasting severe weather and reducing uncertainty in disaster warning.

The TRITON satellite will be launched on an Arianespace Vega C rideshare mission. The orbit is a circular low earth orbit within the altitude around 550~650km and the inclination angle of about 98 degree.

The article states a Q1 2023 launch date.
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Offline GWR64

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Another candidate for this launch is LUXEOSys, formerly known as NAOS.

https://space.skyrocket.de/doc_sdat/luxeosys.htm

Rapport spécial sur la gestion financière du projet LUXEOSys. (pdf from July 5, page 19)

https://download.rtl.lu/2022/07/11/3d606f8f1750e3871de3ef298af7521b.pdf

Quote
Le lancement du satellite est prévu pour le premier trimestre 2023. Ce lancement sera suivi par une phase de tests qui dure environ six mois. Ainsi le satellite devrait être opérationnel au troisième trimestre 2023.

Offline GWR64

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...

The article states a Q1 2023 launch date.

According to the Arianespace smallsat rideshare schedule, only this launch is possible. I think.

https://smallsats.arianespace.com/opportunities
« Last Edit: 07/23/2022 06:43 pm by GWR64 »

Offline GWR64

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Another candidate for this launch is LUXEOSys, formerly known as NAOS.

...

wild speculation, after reading at Arianespace: LUXEOSys launch on Vega-C or on Vega early 2023?
Arianespace has confirmed most of the known Vega-C payloads there.
Not mentioned are the known Vega payloads, Biomass and PLATiNO-1.
Also missing the CO3D satellite constellation (2024 on Vega-C, forgot?) and LUXEOSys.
Can I conclude from this that LUXEOSys will be launched on Vega? Maybe together with PLATiNO-1?
« Last Edit: 07/24/2022 12:20 pm by GWR64 »

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0815-EX-CN-2022 SpinLaunch AlphaSat
Quote
The AlphaSat spacecraft is scheduled for launch December 1st, 2022 – February 28th, 2023 aboard a Arianespace Vega-C rocket. The spacecraft is expected to be inserted into SSO orbit with a target perigee and apogee of 564 km, with a +6/-14 km orbital variance (i.e. between 550-570 km).

The mission will demonstrate custom satellite avionics components developed to survive the launch environment of the SpinLaunch system. The mission will also demonstrate an experimental water-based propulsion system developed by Miles Space. The AlphaSat satellite employs 2-axis stabilization1 for operational attitude control.

...

Clear overall spacecraft dimensions:
The physical dimensions of the AlphaSat spacecraft bus are: ~34 cm x 24 cm x 23 cm.
Once the solar arrays have been deployed, the AlphaSat spacecraft dimensions increase to ~100 cm x 34 cm x 24 cm.

Total spacecraft mass at launch, including all propellants and fluids:
~16.7 kg for the AlphaSat spacecraft, this includes 0.25kg of water propellant for the experimental propulsion system.

Dry mass of spacecraft at launch, minus consumables and propellants:
~16.45 kg for the AlphaSat spacecraft.

Identification, including type, mass, and pressure, of all fluids (liquids and gases) planned to be on board, excluding fluids in sealed heat pipes. Description of all fluid
systems, including size, type, and qualifications of fluid containers such as propellant and pressurization tanks, including pressurized batteries:
Propellant consists of 0.25kg of degassed water. No fluid in pressurized batteries. The AlphaSat spacecraft uses unpressurized COTS Panasonic NCR18650B, lithium cobalt battery cells.
« Last Edit: 07/28/2022 09:09 pm by gongora »

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https://space-travel.blog/estcube-2-2022-e26ca01ec695
Quote
...ESTCube-2 launch preparations
We are three months away from delivering ESTCube-2 to the SAB Aerospace Facility in Brno, Czechia for final preparations and tests. During this period, all flight models of ESTCube-2 subsystems and payloads will come together into the whole ESTCube-2 flight model, or FM. Our Space Technology Laboratory at UT Tartu Observatory is well equipped for environmental testing – shock and vibrations caused by the rocket, thermal vacuum of space, and electromagnetic radiation of the satellite itself. The ESTCube-2 cameras are being characterised and calibrated at the optics lab. The observatory’s vibration bench isn’t big enough for three-unit cubesats, so the team is looking for a facility with a large enough vibration bench.

After delivering the satellite, ESTCube-2 will be tested to see whether it is fit for the launch. These tests will ensure that the satellite won’t cause any problems to the launch vehicle and other satellites on board the Vega-C VV23 rocket. After the test campaign in Brno, ESTCube-2 will be delivered to the Guiana Space Centre, where it will be integrated on board the rocket. And off it will go.

_____________________________________________________________________________________

https://indico.ict.inaf.it/event/993/contributions/11228/attachments/6070/12172/EIRSAT_GMOD_HEMERA.pdf

Quote
EIRSAT-1
• 2U CubeSat designed by students and staff at University
College Dublin
• Part of the 2 nd round of ESA’s ‘Fly Your Satellite!’ programme
• 3 experiment payloads, each incorporating novel Irish
technology
• GMOD – a scintillator and SiPM based 𝛾-ray detector
• EMOD – to make LEO measurements of SolarBlack and
SolarWhite thermal management coatings developed for
Solar Orbiter
• WBC – a control scheme for flexible mechanical systems,
developed at UCD
• First Irish Satellite!!!

...

GMOD / EIRSAT-1 Next Steps
EIRSAT-1 Flight Model Assembly
• Done
EIRSAT-1 Full Functional Testing
• Ongoing – finishing this week
GMOD FM Characterisation
• Beginning 11 July 2022
EIRSAT-1 Vibration Testing
• Beginning 18 July 2022
EIRSAT-1 TVAC Testing
• Beginning 25 July 2022
Flight Acceptance Review
• September 2022
Flight Model Delivery
• October / November 2022
Launch
• Vega-C VV23 – estimated January 2023

« Last Edit: 07/29/2022 05:15 pm by GWR64 »

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Will VV22 delay cause the delay of VV23?
Launch of VV22 delayed to December–January:

Startup OQ Technology raises $13 million to expand satellite IoT network [dated Sept. 1]

Quote from: SpaceNews
Arianespace is set to launch OQ’s first fully commercial satellite as part of its next Vega C mission, which was slated for November but is now targeting December through January.
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https://www.globenewswire.com/news-release/2022/09/20/2519630/0/en/SAB-Launch-Services-awarded-contract-to-launch-two-ICEYE-SAR-satellites.html

Quote
SAB Launch Services S.r.l., a company part of the SAB group specialized in Small Satellite launch service provision on Arianespace missions, and ICEYE, the global leader in persistent monitoring with radar satellite imaging, have signed an agreement to fly two Synthetic Aperture Radar (SAR) satellites on the first VEGA-C SSMS mission in Q1 2023.
...
The two ICEYE spacecraft will be flown on VEGA-C mission VV23, the first flight of the SSMS on the new rocket, which had a successful maiden flight in July.

The two spacecraft will be accommodated in VV23 on the upper part of the SSMS dispenser together with the two main passengers of this mission. The final aggregate counts a total of 5 microsatellites and a large number of deployers including institutional as well commercial cubesats customers from all over the world. Thanks to the AVUM performance, the aggregate will be released in 3 different orbits, whereas one of them has been specifically selected by ICEYE. ...

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Offline Bean Kenobi

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https://twitter.com/SAB_LS_Official/status/1575424897634926592

I think this image confirms there will be no main payload on board, only microsats and cubesats.

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I think this image confirms there will be no main payload on board, only microsats and cubesats.

Please compare it with this picture:
https://www.esa.int/ESA_Multimedia/Images/2020/06/Artist_s_view_of_Vega_VV16_with_SSMS3

Offline Bean Kenobi

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Agree, thank you.

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Italian Space Agency IPERDRONE.0 = DAVID = Tyvak 0415 (6U cubesat)
1234-EX-CN-2022 (Tyvak Nano-Satellite Systems, Inc.)
https://www.asi.it/2022/08/qualificato-il-propulsore-perseus/

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TRITON launch in March 2023
Quote
Taiwan to launch first homegrown weather satellite in 2023

TRITON to boost country’s grasp of ocean surface winds and thus better typhoon forecasts

TAIPEI (Taiwan News) — Taiwan is set to launch its first indigenously-developed meteorological satellite next March from French Guiana.

TRITON, the name of the satellite, was designed and made by the National Space Organization (NSPO). After eight years in the making, the satellite has completed testing and is undergoing review.

The satellite will be transported to the Guiana Space Center, a European spaceport in French Guiana, a region of France in South America, in January. TRITON will be carried by a Vega C rocket, manufactured by France’s Arianespace, and is scheduled to launch in March.

Premier Su Tseng-chang (蘇貞昌) will inspect the final preparations of the satellite, Taiwan’s second homegrown satellite after Formosat-5, a remote-sensing satellite, on Monday (Nov. 7).

TRITON’s launch marks a milestone for Taiwan in its bid to enhance its weather research and forecast capabilities.

Fitted with the Global Navigation Satellite System-Reflectometry (GNSS-R), a technique that uses reflected GNSS signals to derive information about the Earth’s surface, the satellite allows for a better understanding of environmental conditions. This will contribute to more precise weather analysis of ocean surface winds for a country prone to typhoons, according to NSPO.
source https://www.taiwannews.com.tw/en/news/4709114

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TRITON launch in March 2023
Quote
Taiwan to launch first homegrown weather satellite in 2023

TRITON to boost country’s grasp of ocean surface winds and thus better typhoon forecasts

TAIPEI (Taiwan News) — Taiwan is set to launch its first indigenously-developed meteorological satellite next March from French Guiana.

TRITON, the name of the satellite, was designed and made by the National Space Organization (NSPO). After eight years in the making, the satellite has completed testing and is undergoing review.

The satellite will be transported to the Guiana Space Center, a European spaceport in French Guiana, a region of France in South America, in January. TRITON will be carried by a Vega C rocket, manufactured by France’s Arianespace, and is scheduled to launch in March.

Premier Su Tseng-chang (蘇貞昌) will inspect the final preparations of the satellite, Taiwan’s second homegrown satellite after Formosat-5, a remote-sensing satellite, on Monday (Nov. 7).

TRITON’s launch marks a milestone for Taiwan in its bid to enhance its weather research and forecast capabilities.

Fitted with the Global Navigation Satellite System-Reflectometry (GNSS-R), a technique that uses reflected GNSS signals to derive information about the Earth’s surface, the satellite allows for a better understanding of environmental conditions. This will contribute to more precise weather analysis of ocean surface winds for a country prone to typhoons, according to NSPO.
source https://www.taiwannews.com.tw/en/news/4709114

March 10th.

Quote
Triton, Taiwan’s first locally built weather satellite, is provisionally scheduled to launch on March 10 next year, National Space Organization (NSPO) Director Wu Jong-shinn (吳宗信) said on Monday.

Source : https://www.taipeitimes.com/News/taiwan/archives/2022/11/09/2003788571


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The last 3 cubesat slots are still available. Confirmation of March as launch month.
Quote
Need a launch in 2023?
Get onboard the last 3 slots on #VEGA #VV23, launching March 2023.

Special rates on offer only until eob on Black Friday!
https://twitter.com/SAB_LS_Official/status/1596560863108157441
« Last Edit: 11/27/2022 08:18 pm by GWR64 »

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Quote
We are very proud today to announce the launch of our new #5G satellite mission in Q1 2023 aboard a #Vega-C rocket. The satellite will enable #5G NB-IoT in remote and rural areas for a wide range of applications in energy, agriculture.
Read more: https://www.oqtec.com/news/oq-technology-announces-launch-date-for-the-5g-iot-macsat-mission
https://twitter.com/OQTEC/status/1598296642796412929

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MACSAT, a 6U cubesat, presumably taking the one remaining 6U slot aboard:

https://www.oqtec.com/news/oq-technology-announces-launch-date-for-the-5g-iot-macsat-mission

Nov 30, 2022

OQ Technology announces launch date for the 5G IoT “MACSAT” mission

(Image caption)
Jeremy Dracis (OQ Technology) & Charles Koener (Luxembourg Space Agency) with MACSAT model at the Space Tech Europe event in Bremen

Luxembourg, Europe, 1 December 2022 – Following its recent 13 million Euro Series A funding round, OQ Technology, a pioneer of 5G IoT (Internet of Things) satellite services, has announced March 2023 as the planned launch date for the LSA & ESA-supported MACSAT mission.

The on-orbit pathfinder mission, to be launched on a Vega-C rocket rideshare mission (VV23), is aimed at demonstrating advanced 5G IoT services. It will be able to process a high number of 5G enabled devices via strategic satellite frequencies that are common with terrestrial mobile from Low Earth orbit (LEO).

MACSAT is a smallsat mission led by OQ Technology as the prime contractor and funded by the Luxembourg Government through an ESA contract in the Luxembourg National Space programme (LuxIMPULSE).

“We are so excited to launch this mission which we have been working on since some time, we thank our partners at the Luxembourg Space Agency and the European Space Agency for trusting us and who have been always supporting us throughout this journey.”

The mission will be used to test advanced 5G IoT algorithms, and also pavinges the way for qualifying existing 5G NB (narrowband)-IoT chips for commercial via-satellite deployment. It will also be part of OQ Technology’s constellation to offer commercial connectivity services.

The 6U nanosatellite was built by Lithuanian mission integrator and smallsat manufacturer NanoAvionics, who also handles launch brokering and logistics. The payload was developed by OQ Technology. The 5G IoT operator is also responsible for overall management, satellite procurement, and operations of the mission.

“With the cellular Ddirect-to-dDevice (D2D) heating up, OQ Technology is proud well positioned to be a pioneer in connecting cellular IoT devices to LEO satellites with its first successful Nnarrowband IoT wWaveform mission back in 2019. With many customers from the energy, logistics, agriculture, and maritime market interested in OQ’s solution and large Telcos willing to onboard satellite cellular IoT products, OQ Technology is well positioned to serve these customers next year,” Qaise said.

(Image caption)
MACSAT Mission Patch

(Image caption)
MACSAT satellite during integration and test (courtesy Nanoavionics & OQ Technology)

(Image caption)
MACSAT Satellite during assembly (courtesy Nanoavionics & OQ Technology)
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Offline GWR64

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TRITON
https://www.nspo.narl.org.tw/news_view.php?c=221125001
Google translate:
Quote
The full function test of the windhunter satellite is completed
2022/11/25

The "Windhunter Satellite", independently developed by the National Space Center of the National Experimental Research Institute under the National Science Council, completed the last test today (25th) - the full-function test, which means that the satellite has passed all the tests of the simulated space environment and is still Can maintain the performance of the original design. It is expected that a "pre-delivery review meeting" will be held in early January next year to review all test results. If the review is passed, the Wind Hunter will enter the ready state and will be transported to French Guiana in South America in accordance with the rocket launch schedule. Arianespace's Vega C rocket blasts off.

The Wind Hunter meteorological satellite is scheduled to be launched in March next year. Chengfuwei 5 is the second Taiwan-made satellite and the first self-made weather satellite. The launch will once again verify Taiwan's satellite manufacturing capabilities. A total of 82% of the Wind Hunter satellites, including the payload, are developed and manufactured in Taiwan. If the ground equipment is included, more than 20 Taiwanese R&D units and manufacturers will participate. After lift-off, in addition to performing the observation task of the sea surface wind field, it will also verify 10 key components and technologies independently designed and manufactured by Taiwan.

The Space Center of the National Academy of Sciences stated that after the windhunter satellite completed the assembly of solar panels in June this year, it began to conduct space environment tests. The full-featured test following the space environment test, checks that all subsystems including commands, attitude control, and payload instruments can operate normally and maintain the designed performance. Finally, to compile and analyze the test reports, the space center colleagues in charge of each system must review the test data at each stage, conduct cross-comparisons, summarize the changing trends of the performance of each design, and summarize a complete analysis report. In addition, the space center also launched the operation drill of the Windhunter satellite, simulating and debugging various situations that the satellite may encounter after launch, to ensure that if the satellite encounters problems after launch, it can be commanded from the ground to control the satellite to overcome the problem.

The mission payload of the Windhunter satellite is the "Global Navigation Satellite System-Reflectometry (GNSS-R)" developed by the Space Center itself. The application of GNSS reflection signals is a research that has only emerged in the past ten years. Taiwan is able to develop the payload of this mission itself in a short period of time, which means that in addition to remote measurement satellites, Taiwan also has the basic ability to develop meteorological satellites.

This year is the first year of the implementation of the "Space Development Law". The National Science and Technology Council will strengthen the promotion of the development of the space industry and continue to develop independent satellite technology. Wu Zhengzhong, chairman of the National Science Council, said that the satellite industry chain includes four major areas: satellite manufacturing, launch services, ground equipment, and back-end applications. After the space center becomes an administrative legal person in 2023, it will develop space technology in an all-round way to connect the complete industry The chain will help Taiwan's space industry to progress faster and occupy a place in the international space industry.

Executive Premier Su Tseng-chang visited the Space Center of the National Academy of Sciences on November 7th, emphasizing that the government will fully support the development of space technology and industry, and lead Taiwan's industrial circles to enter the global industrial chain to create a second "National Protector Mountain". We look forward to the successful launch of the Windhunter satellite, the smooth execution of its mission, and the leadership of Taiwan's space industry.
« Last Edit: 12/02/2022 07:02 pm by GWR64 »

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Cornicen (40kg microsat, Hedron Space)

Hedron Space 0024-EX-CN-2022
Maxar 0724-EX-CN-2022 (ISL test with Worldview Legion)
MITRE 0577-EX-CN-2022 (ground station)
« Last Edit: 12/15/2022 01:44 am by gongora »

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Another cubesat for the launch, but they published the info before the VV22 failure:
https://www.aerospacelab.be/aerospacelab_to_launch_earth_observation_satellite_for_esa/


According to the inquiry results published on 03/03/2023, the VV23 mission will fly on VEGA by the end of the summer:
https://www.esa.int/Newsroom/Press_Releases/Loss_of_flight_VV22_Independent_Enquiry_Commission_announces_conclusions

Quote
Considering the nature of the VV22 anomaly, the Commission emphasizes that its conclusions on Zefiro 40 do not affect the Vega launcher which is relying on the Zefiro 23 and Zefiro 9 motors. In this context, Arianespace decided to adapt its launch schedule to reassign a mission to one of its two remaining Vega launchers with a targeted launch date before the end of summer 2023.
« Last Edit: 03/31/2023 07:24 am by abeno »

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https://www.globenewswire.com/news-release/2022/09/20/2519630/0/en/SAB-Launch-Services-awarded-contract-to-launch-two-ICEYE-SAR-satellites.html

Quote
SAB Launch Services S.r.l., a company part of the SAB group specialized in Small Satellite launch service provision on Arianespace missions, and ICEYE, the global leader in persistent monitoring with radar satellite imaging, have signed an agreement to fly two Synthetic Aperture Radar (SAR) satellites on the first VEGA-C SSMS mission in Q1 2023.
...
The two ICEYE spacecraft will be flown on VEGA-C mission VV23, the first flight of the SSMS on the new rocket, which had a successful maiden flight in July.

The two spacecraft will be accommodated in VV23 on the upper part of the SSMS dispenser together with the two main passengers of this mission. The final aggregate counts a total of 5 microsatellites and a large number of deployers including institutional as well commercial cubesats customers from all over the world. Thanks to the AVUM performance, the aggregate will be released in 3 different orbits, whereas one of them has been specifically selected by ICEYE. ...

Are the two ICEYE satellites still part of this mission?
Not all payloads will be able to move from Vega-C to a Vega.
The larger payloads on Vega-C VV23 were likely THEOS-2 (~425 kg), TRITON (~250 kg), THEOS-2a (100 kg) and
2 x ICEYE (2 x < 150kg)
There were also some smaller satellites and various Cubesats.
That won't be possible with Vega. For reasons of space and mass.

Could it be these two ICEYE satellites?

ICEYE is confirming the launch of 2 satellites:

Quote
ICEYE sought, and was granted authority, to launch and operate six NGSO EESS small satellites. ICEYE will have exhausted that authorization with the launch of its fifth and sixth satellites in June 2023.

The satellite bus has a total mass of less than 150 kilograms, including propellant. Its smallest dimension is approximately 0.65 meters... The satellites will operate in Low Earth Orbit at an altitude up to 600 kilometers...  Each satellite has an expected operational lifetime of 3 years.

from the application to launch 8 more identical satellites (also posted in the T-9 thread).

The batches of the ICEYE satellites are confusing to me.
There is a lot of correspondence with the US FCC, which I haven't gotten really smart about either.

btw: I changed the headline to Vega VV23 ... . Ok? Do we continue here or there ?
« Last Edit: 04/07/2023 12:14 pm by GWR64 »

Offline GWR64

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TRITON update

https://www.cna.com.tw/news/ait/202303140204.aspx  [03/14/2023]

Bing translate

Quote
When will the Homemade Windhunter satellite be launched? Wu Zongxin: It is expected to be launched in the third season
2023/3/14 15:39(3/14 16:25 updated)
Wu Zongxin, director of the National Space Center, said that Taiwan's first homemade weather satellite Wind Hunter is expected to launch in July and August at the earliest. (Image taken from facebook.com/TaiwanSpaceAgency)

Taiwan's first homemade weather satellite Wind Hunter was originally scheduled to launch in the first quarter of this year, but due to the failure of the first commercial launch of the rocket in charge of the launch, the launch time was delayed, and Wu Zongxin, director of the National Space Center, said today that it is expected to launch in July and August at the earliest.
The Windhunter satellite, designed and manufactured by the National Space Center, was affected by the first commercial launch of the Vega-C rocket of France's Arianespace company (Arianespace) in December last year. Wu Zhengzhong, chairman of the National Science Council, said in mid-February this year that the space center had been asked to examine the relevant issues as soon as possible.

It is understood that Aryan must propose an alternative by the end of March and deliver it to the National Space Center for evaluation, and if the space center agrees to the plan, the Windhunter satellite is expected to be launched as soon as the third quarter of this year.
...


btw: NSPO is now called TASA.
https://www.taiwannews.com.tw/en/news/4772995
TRITON page: https://www.tasa.org.tw/inprogress.php?c=20030305&ln=en

edit: second attempt, difficult to find reliable information.
« Last Edit: 04/08/2023 11:15 am by GWR64 »

Offline GWR64

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TRITON is scheduled to launch with Vega at the end of August.
That's what they write today on the island of Taiwan.  ;)

https://news.ltn.com.tw/news/life/breakingnews/4307433

Google translate
Quote
Taiwan's first self-made weather satellite "Wind Hunter" will be launched at the end of August
...
2023/05/20 10:00

[Central News Agency] Taiwan's first self-made weather satellite, the Wind Hunter, was originally scheduled to launch in the first quarter of this year, but due to the failure of the first commercial launch of the rocket responsible for the launch, the launch schedule was delayed; relevant officials pointed out that the Wind Hunter will be changed at the earliest by the end of August It was carried by another vehicle, Vega, and lifted off in French Guiana.
...


Online GewoonLukas_

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Quote
Aerospacelab to launch Earth Observation satellite for ESA

[...]

PVCC is a 12-unit Cubesat, weighing 18 kg. It will fly at an altitude of 564 km in a sun-synchronous orbit, mapping land cover and vegetation growth across the entire planet.

[...]

Prospected launch window: end of Q1 2023
Launch location: Kourou, French Guyana
Launch vehicle: Vega-C
Launcher mission: VV-23
« Last Edit: 06/06/2023 02:13 pm by GewoonLukas_ »
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Now NET Early-September

Quote
*Aschbacher definitely said EarthCARE will go on F9 bc don't want to make changes to Vega-C fairing, and said there was a test failure on Vega C, but I think Daniel Neuenschwander just said the test failure will not affect the plan to launch Vega C in early Sept.

https://twitter.com/SpcPlcyOnline/status/1674400975321288704
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Comments after successful VA261 launch on July 5:
Stephane Israel says the next launch is Vega VV23.
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

Offline Zed_Noir

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Someone should put up a poll about when the VV23 launch will occurred.  :)

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Farewell to Triton. He is to be flown to French Guiana on Monday.


https://technews.tw/2023/07/14/gnss-r-triton-formosat-7r/

Google translate:
Quote
Taiwan's first self-made weather satellite "Triton/FORMOSAT-7R" (Triton/FORMOSAT-7R) officially set off today (14th), leaving the Hsinchu factory of the National Space Center for Taoyuan International Airport. It is expected to fly to French Guiana, South America, and launch on July 17th It will be ready for preparations at the field, and it will take off on a Vega rocket in September.

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Although TRITON is an "undisclosed"  payload and it is not mentioned as much as possible, because everyone is afraid of China, you can regularly find up-to-date information about this mission.
Unfortunately, this does not apply to the other potential passengers.
The Thai Theos-2 would have been the largest payload on Vega-C VV23. Does he now fly with Vega VV23 or not?
It should be put into orbit in 2023, one can read, nothing precise.
The ICEYE satellites? ... various Cubesats? unclear.

Example Estcube-2:
https://www.estcube.eu/
Quote
The satellite will be launched to space at the end of 2023.
 
https://www.estcube.eu/blog/The-ESTCube--2-mission
Quote
The satellite is currently being prepared for a launch in the second half of 2023, from the Guiana Space Center in South America on board the Arianespace Vega-C rocket.
???
« Last Edit: 07/15/2023 10:03 am by GWR64 »

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https://twitter.com/cnspaceflight/status/1681908037819461632

Quote
Triton, Taiwan's first independently built meteorological satellite, arrives at Guiana Space Centre
m.facebook.com/photo.php?fbid…

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https://twitter.com/andrewparsonson/status/1684645167926546432

Quote
Interesting announcement from @Avio_Group CEO Giulio Ranzo: the second to last Vega launch vehicle is now fully integrated on the launch pad. A "detailed set of reviews and checks" will now begin before payload adapter integration begins. The launch is scheduled for September.

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GISTDA wrote on facebook on April 20:

https://www.facebook.com/photo/?fbid=612926867540520&set=a.308224404677436

Google translate:
Quote
Get to know Vega, the THEOS-2 launch rocket
.
One of the key factors in getting the THEOS-2 satellite into space is a carrier rocket. A carrier rocket is a rocket that is responsible for carrying payloads, satellites, or other objects into space. In this article, we'll get to know Vega rockets. that GISTDA trusts to send THEOS-2 to orbit.
.
The Vega series of rockets are medium and small payload carriers.
It has been developed by the Italian Space Agency (ASI) and the European Space Agency (ESA) since 1998 and has been completed and operational since 1998. Launched in 2012, the initial purpose of developing this carrier rocket was to deliver payloads for Earth exploration missions.
.
Vega rockets currently in charge of the Arianespace commercial launcher have completed more than 20 flights and have successfully completed 18 missions. earth observation satellite and many other types The size of satellites that have been delivered previously ranged from 300 to 1,500 kilograms and can be scaled to deliver satellites like cubesats as well.
.
In addition, on its maiden flight, Vega carried nine small payloads and delivered all of them safely. It's a mission that shows the ability very well. Combined with their experience and high success rate, GISTDA has entrusted Vega to carry our THEOS-2 satellite into space.
The Vega carrier rocket will officially carry THEOS-2 into orbit by 2023 and will be launched from the Guiana Space Center in Kourou, French Guiana, South America. Which can be confident that from the past experience of this carrier rocket will make the journey into orbit of THEOS-2 absolutely safe.
.
Thank you for the information from Mr. Chidchanok Chaichotchuen, THEOS-2A satellite engineer.
Additional information:

This can actually only mean the upcoming Vega launch.
« Last Edit: 07/30/2023 09:00 pm by GWR64 »

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https://www.linkedin.com/posts/sab-launch-services-s-r-l_vega-vv23-ssms-activity-7090648496755605504-oYSw


Quote
SAB Launch Services S.r.l.

We have been busy with final preparations for #VEGA #VV23!
 
 Our #SSMS dispenser is nearly ready and we have been integrating the payloads. We have a lot to show you over the next few weeks...
 
 The SSMS is a dispenser developed by SAB Aerospace for AVIO and operated by ARIANESPACE with the support of SAB Launch Services S.r.l.. The SSMS is capable of hosting multiple configurations and payloads from cubesats and smaller spacecraft, all the way up to larger microsats.

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Quote
Later this year @ESA cubesat PRETTY will fly into space 🚀Recently, the climate satellite was successfully placed on its deployer. The cubesat PRETTY is a joint project of Beyond Gravity @tugraz & Seibersdorf Laboratories. PRETTY will measure levels of sea 🌊 or glacier ice🗻

https://twitter.com/BeyondGravity_S/status/1690996698510753792

Quote
Ready for Space: PRETTY is Ready to Launch
10 January 2023

[...]

PRETTY is scheduled to launch into space in spring 2023 on a European Vega-C rocket from the European spaceport in Kourou in French Guiana, South America. The satellite’s first stage destination is Brno, Czech Republic. There, PRETTY will be placed in the launch deployment mechanism by the launch provider together with other satellites, which will then be flown to Kourou for final integration into the launch vehicle.

[...]
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Offline GWR64

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However, Vega-C is outdated.
Even Arianespace has its small-satellite schedule updated, but for SSMS#5 in Q3/2023  it says Vega-C and not Vega, that is wrong!
https://smallsats.arianespace.com/opportunities

THEOS-2 is payload no. 1
https://thailand.postsen.com/live-style/171408/Thailand%E2%80%99s-aerospace-industry-is-progressing-NASA-launches-THEOS-2-satellite-into-orbit-this-September.html
Quote
13 Aug. 2023 – Ms. Ratchada Thanadirek, Deputy Spokesperson for the Prime Minister’s Office. Revealed that the progress of the satellite project THEOS-2, Thailand’s first Earth observation satellite There is a design developed by Thai people. It will go into deep space for 3 years. It is now fully assembled and tested. It is expected to be launched in September 2023 at the French Guiana rocket launch pad in South America. And the small satellite THEOS-2A is scheduled to be delivered into space from the end of October 2023 onwards at the launch pad inside the Dhawan Demonstration Space Center, Sriharikota. India, however, the schedule can be postponed according to various situations and factors.

THEOS-2A (smallsat) probably no longer fits into the Vega fairing, and launches with PSLV or SSLV?


« Last Edit: 08/14/2023 09:07 pm by GWR64 »

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Andrew Parsonson published on his website what is supposed to be the final list of payloads for the Vega VV23 flight (he claims to have obtained it from an anonymous insider):

https://europeanspaceflight.com/arianespace-to-launch-europes-final-mission-of-2023-aboard-vega-in-september/
[August 15]
Quote
Primary passengers:

- The Airbus-built THEOS-2 satellite will provide Thailand’s Geo-Informatics and Space Technology Development Agency with Earth observation data for various applications including land use, agricultural monitoring, forestry management, coastal zone monitoring, and flood risk management.
- The Taiwanese FORMOSAT-7R/TRITON weather satellite.

Auxiliary passengers (cubesats):

- ANSER-Leader, ANSER-Follower 1 and ANSER-Follower 2 will work together to monitor the quality of the water in reservoirs and swamps in Spain.
- ESA’s PROBA V-CC carries a scaled-down version of the vegetation-monitoring instrument aboard the Earth-observing PROBA-V satellite and will conduct combined experimental observations.
- CSC-1 and CSC-2 appear to be a pair of satellites built by Netherlands-based ISISPACE.
- The Kongsberg NanoAvionics-built MACSAT satellite for OQ Technology’s 5G constellation.
- ESTcube-2 was built by the Estonian Student Satellite Foundation and will test an innovative plasma brake that could be used for end-of-life satellite disposal.
- The CNES-commissioned NESS satellite was built by U-Space. It is a demonstration mission that will monitor the civilian radiofrequency spectrum in the L and S bands and to analyze sources of jamming.
- ESA’s PRETTY satellite (Passive REflecTomeTry and dosimetry) will be used to measure the extent of ice and sea heights as well as ocean currents.

Interestingly there are several payoads previously announced for the VV23 mission when it was still planned on a Vega-C that are missing and about which there are no recent updates:
- Hedron Space's Cornicen, that as of January 2023 was still headed for a 2023 launch according to the CEO of the company
- A couple of ICEYE satellites, manifested through SAB Launch Services
- SpinLaunch's AlphaSat
- Italian Space Agency's DAVID / IPERDRONE.0, build by Tyvak and still scheduled for a Q1 2023 launch on the agency's website
- UCD's Eiresat-1, still scheduled for a 2023 launch on the project website

If you can find any news about these that might confirm that they've been delayed to some other launch opportunity it would be great.
« Last Edit: 09/05/2023 08:53 pm by zubenelgenubi »

Offline GWR64

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Andrew Parsonson published on his website what is supposed to be the final list of payloads for the Vega VV23 flight (he claims to have obtained it from an anonymous insider):

https://europeanspaceflight.com/arianespace-to-launch-europes-final-mission-of-2023-aboard-vega-in-september/
Quote
Primary passengers:

- The Airbus-built THEOS-2 satellite will provide Thailand’s Geo-Informatics and Space Technology Development Agency with Earth observation data for various applications including land use, agricultural monitoring, forestry management, coastal zone monitoring, and flood risk management.
- The Taiwanese FORMOSAT-7R/TRITON weather satellite.

Auxiliary passengers (cubesats):

- ANSER-Leader, ANSER-Follower 1 and ANSER-Follower 2 will work together to monitor the quality of the water in reservoirs and swamps in Spain.
- ESA’s PROBA V-CC carries a scaled-down version of the vegetation-monitoring instrument aboard the Earth-observing PROBA-V satellite and will conduct combined experimental observations.
- CSC-1 and CSC-2 appear to be a pair of satellites built by Netherlands-based ISISPACE.
- The Kongsberg NanoAvionics-built MACSAT satellite for OQ Technology’s 5G constellation.
- ESTcube-2 was built by the Estonian Student Satellite Foundation and will test an innovative plasma brake that could be used for end-of-life satellite disposal.
- The CNES-commissioned NESS satellite was built by U-Space. It is a demonstration mission that will monitor the civilian radiofrequency spectrum in the L and S bands and to analyze sources of jamming.
- ESA’s PRETTY satellite (Passive REflecTomeTry and dosimetry) will be used to measure the extent of ice and sea heights as well as ocean currents.

Interestingly there are several payoads previously announced for the VV23 mission when it was still planned on a Vega-C that are missing and about which there are no recent updates:
- Hedron Space's Cornicen, that as of January 2023 was still headed for a 2023 launch according to the CEO of the company
- A couple of ICEYE satellites, manifested through SAB Launch Services
- SpinLaunch's AlphaSat
- Italian Space Agency's DAVID / IPERDRONE.0, build by Tyvak and still scheduled for a Q1 2023 launch on the agency's website
- UCD's Eiresat-1, still scheduled for a 2023 launch on the project website

If you can find any news about these that might confirm that they've been delayed to some other launch opportunity it would be great.

The fact that the two ICEYE are no longer there is no big surprise.
They came relatively late in the manifest, because there were free slots. But the Vega offers significantly less space and performance than the Vega-C.
I think they're will be launching on a transporter mission, or are already launched with Transporter-8.
The 2 main payloads were always THEOS-2 and TRITON.
The 5th microsatellite mentioned in the original manifest may have been THEOS-2A. -> edit
https://forum.nasaspaceflight.com/index.php?topic=56628.msg2411582#msg2411582

I think THEOS-2 and TRITON will be side by side arranged on the SSMS plate.
https://forum.nasaspaceflight.com/index.php?topic=56628.msg2510060#msg2510060

edit:
Theos-2A was probably not planned for Vega-C VV23.
https://forum.nasaspaceflight.com/index.php?topic=1173.msg2515922#msg2515922
« Last Edit: 08/20/2023 06:44 pm by GWR64 »

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https://www.estcube.eu/blog/ESTCube--2%27s-journey-into-space

Quote
ESTCube-2's journey into space

Update 15.08.2023

ESTCube-2 has passed the clean test and the last system checks. On August 13, 2023, the team of the Czech SAB LS laboratory sent all the launch capsules with the satellites by plane to French Guiana, where they are now waiting in the nose of the rocket. The last two large satellites are being placed on the Vega rocket right now, and the launch with the ESTCube-2 satellite is planned for September 19.
...


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https://twitter.com/EuropeSpacePort/status/1695086822819274950

Google translation:
Quote
The two main passengers Triton/FORMOSAT-7R @TASA_Taiwan and THEOS-2 @GISTDA  @Airbus,
of flight #VV23 are in French Guiana and have begun their preparation in the clean rooms of the Guiana Space Center.
« Last Edit: 08/30/2023 09:55 pm by GWR64 »

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https://twitter.com/arianespace/status/1697293871670034535

Quote
Our next flight will be #VV23!
Under #Vega’s fairing:
🛰️ THEOS-2, built by @AirbusSpace for @GISTDA
🛰️ FORMOSAT-7R/TRITON, for @TASA_Taiwan
🛰️ And 10 auxiliary payloads
Targeted launch date? October 4!

To know more:

https://newsroom.arianespace.com/arianespace-targeting-october-4-for-its-next-vega-launch-vv23/

Quote
Vega August 31, 2023
ARIANESPACE TARGETING OCTOBER 4 FOR ITS NEXT VEGA LAUNCH VV23

Arianespace’s next mission is targeted on Wednesday, October 4, 2023 at 10:36 p.m. local time (October 5, 01:36 a.m. UTC), from Europe’s Spaceport in French Guiana with a Vega launcher. The mission, called VV23, will place its passengers into sun-synchronous orbit.

Additional information about this Vega launch, due to embark a main passenger, THEOS-2, and a secondary one, FORMOSAT-7R/TRITON, as well as ten auxiliary payloads, is provided here below:

THEOS-2 (THailand Earth Observation System-2) is a high-resolution Earth observation optical satellite, part of the next-generation national geo-information system provided by Airbus Defence and Space to support the Kingdom of Thailand’s key development priorities. Delivering 0.5-meter ground resolution imagery, this end to end system will complement THEOS-1, launched in 2008 for Thailand, one of the few nations in the world able to fully exploit geo-information for societal benefits.
FORMOSAT-7R/TRITON, developed by the Taiwanese Space Agency (TASA), is equipped with the Global Navigation Satellite System-Reflectometry (GNSS-R), which collects signals that bounce off the sea surface. It helps scientists calculate the wind field over the oceans. This data will be shared with the global meteorology community, contributing to the forecast of typhoon intensity and trajectory.
« Last Edit: 08/31/2023 05:11 pm by FutureSpaceTourist »

Offline GWR64

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Integration of SSMS on VEGA VV23 @ Kourou

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Quote
Nice shot of payload processing for Vega VV23, showing the SSMS Hexa configuration

#Vega #VV23 #CSG #ESA

https://twitter.com/DutchSpace/status/1704111483171246211?t=crqK5t2aVImu-jrwikegEw&s=19
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Offline Steven Pietrobon

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Anybody know what SSMS number this mission is? Nextspaceflight says this is SSMS 16

https://nextspaceflight.com/launches/details/7207
"THEOS-2, TRITON & SSMS n°16"

but the Arianespace Smallsat web site this is SSMS 5, but on Vega C!

https://smallsats.arianespace.com/app/
NEXT FLIGHT
Vega C SSMS #5 -> FULL
Launch on—Q3.2023
Orbit—SSO
Altitude—>560 km
Locale Time—10:30 AM LTDN

The Smallsat manifest says that SSMS 16 launches in 2026!

https://smallsats.arianespace.com/opportunities
Vega C SSMS #16
Launch on: Q3.2026
Orbit: SSO
Altitude: 550 km
Local time: 10:45 PM LTDN
« Last Edit: 09/26/2023 11:36 pm by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Vega's fuel-free CubeSats to keep formation with wings

Quote
Spain’s trio of ANSER CubeSats, due to fly on Europe’s next Vega launcher, will fly like a flock of birds in orbit – in more ways than one. Keeping in formation by following their leader, the three shoebox-sized satellites will image Iberian waters as if they are a single standard-sized mission. And they will unfurl wing-like flaps to maintain their relative positions, surfing on the scanty airflow at the top of Earth’s atmosphere.

Image credit: ESA-CNES-Arianespace/Optique video du CSG

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Delayed to October 7th.

Quote
The country's second earth observation satellite, which is widely known as THEOS-2, is expected to launch into orbit on Oct 7, said Minister of Higher Education Science Research and Innovation Supamas...

Please credit and share this article with others using this link:https://www.bangkokpost.com/thailand/general/2653949. View our policies at http://goo.gl/9HgTd and http://goo.gl/ou6Ip. © Bangkok Post PCL. All rights reserved.

Source : https://www.bangkokpost.com/thailand/general/2653949

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Fuller quote; minus the annoying "stuff" the Bangkok Post chooses to add to their on-line content, including blocking copy+paste function:
Quote
The country's second earth observation satellite, which is widely known as THEOS-2, is expected to launch into orbit on Oct 7, said Minister of Higher Education Science Research and Innovation Supamas Isarabhakdi.

Speaking at a press conference on Wednesday about the launch of the low-earh orbit satellite, Ms Supamas said her ministry also plans a THEOS-3 project to increase the country's expertise in space technology.

[Launch October 7, 8:36 am Thai time = 01:36 UTC]
Source : https://www.bangkokpost.com/thailand/general/2653949 [Sep 28]
« Last Edit: 09/28/2023 05:38 pm by zubenelgenubi »
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Cross-post:
https://newsroom.arianespace.com/arianespaces-next-vega-mission-will-embark-12-passengers/
Quote
-    On October 6, Arianespace will launch two Earth observation satellites, THEOS-2 (Thailand Earth  Observation System-2), manufactured by Airbus Defence and Space for the Geo-Informatics and Space Technology Development Agency (GISTDA), and FORMOSAT-7R/TRITON for Taiwan Space Agency (TASA).
-    Flight VV23 will also embark ten auxiliary payloads.
-    For this mission, the Vega launcher will target a sun-synchronous orbit.

Arianespace’s next mission is targeted on Friday, October 6, 2023 at 10:36 p.m. local time (October 7, at 01:36 a.m. UTC), from Europe’s Spaceport in French Guiana with a Vega launcher. The mission, called VV23, will place its passengers into sun-synchronous orbit.

This mission will embark a main passenger, THEOS-2, and a secondary one, FORMOSAT-7R/TRITON:

THEOS-2 is a high-resolution Earth observation optical satellite, part of the next-generation national geo-information system provided by Airbus Defence and Space to support the Kingdom of Thailand’s key development priorities. Delivering 0.5-meter ground resolution imagery, this end to end system will complement THEOS-1, launched in 2008 for Thailand, one of the few nations in the world able to fully exploit geo-information for societal benefits.

FORMOSAT-7R/TRITON, developed by the Taiwanese Space Agency (TASA), is equipped with the Global Navigation Satellite System-Reflectometry (GNSS-R), which collects signals that bounce off the sea surface. It helps scientists calculate the wind field over the oceans. This data will be shared with the global meteorology community, contributing to the forecast of typhoon intensity and trajectory.

The 21st mission of Europe’s Vega light launcher will also orbit ten auxiliary payloads for six different clients:

ANSER (Advanced Nanosatellite Systems for Earth observation Research) LEADER, ANSER FOLLOWER 1 and ANSER FOLLOWER 2. This cluster of three cubestats working together to study and monitor the quality of inland (reservoirs) water over Iberian Peninsula is led by the Instituto Nacional de Tecnica Aerospacial. The launch services is funded by the IOD/IOV program of the European Union.

ESTCube-2, manufactured by the University of Tartu (Estonia), aims to demonstrate deorbiting with plasma brake technology and qualify a deep-space nanospacecraft platform for future missions that will use the electric solar wind sail. The launch services for this mission is funded by the IOD/IOV program of the European Union.

N3SS (Nanosat 3U pour la Surveillance du Spectre) project is a demonstration system for detecting and localize radio-frequency jammers on civil spectrum. CNES is responsible for the system and satellite development and also in charge of the in-flight operations of the satellite. U-Space is the prime contractor for the platform development and the satellite AIT/AIV.

PRETTY (Passive REflecTomeTry and dosimetrY) and MACSAT that will be launched on behalf of SAB-LS. The first one is a 3U cubesat with a primary payload equipped with a passive reflectometer in the L5 Band for GPS and Galileo; and the second one is an in-orbit demonstration (IoD) mission to demonstrate IoT (Internet of things) communication over 5G.

PVCC (Proba-V Companion Cubesat), a 12U cubesat aiming at testing the performance of the payload on a cubesat platform in order to provide data to support the calibration of cubesat Earth observation missions. PVCC is an ESA mission lead by ESA/TEC for the design, launch and commissioning phases and by ESA/ESRIN and ESA/REDU for the operational and end-of-life phases.

CSC-1 & 2, two 6UXL multi-payload IOD cubesats aggregating 7 payloads from 5 countries: Belgium, Spain, Estonia, France and Czechia. They are part of the European Union IOD/IOV program for which ISISPACE/ISL is responsible for the mission implementation.

These small satellites will be carried as auxiliary payloads on the innovative Small Spacecraft Mission Service (SSMS) deployment system. The SSMS rideshare service, developed with the support of the European space industry, was first deployed by Arianespace in September 2020. Funded by the European Space Agency (ESA), Arianespace’s SSMS service will soon be joined by the Multiple Launch Service (MLS), a similar offering designed for the Ariane 6 launch vehicle. With these two services, Arianespace can offer a wide range of affordable launch opportunities for small satellites and constellations.

Ten European countries contribute to Vega, which was developed by ESA, with the Italian Space Agency ASI as lead contributor and Avio (based in Colleferro, Italy) as the launcher prime contractor. Avio is in charge of all industrial operations up to liftoff. Vega has been part of the Arianespace launcher family since its first flight in 2012.
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twitter.com/avio_group/status/1709538862626955536

Quote
#Vega is ready to fly! #VV23 is expected to launch from Guiana Space Centre on 6th October at 10.36 p.m. local time (Oct. 7th at 1.36 a.m. UTC) with two main Earth Observation satellites #Theos and #Formosat. Thanks to @esa and @Arianespace teams! #space #EUSW #WSW2023 #Avio

https://twitter.com/beyondgravity_s/status/1709558536353484919

Quote
A last flight with the crane🏗️, before flying into space 🚀Our payload fairing for @ESA_transport Vega rocket is getting ready for its lift-off on Saturday morning (European time) from Kourou. Among other satellites it will carry the @ESA climate cubesat PRETTY 🛰️into space #VV23

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https://twitter.com/esa_transport/status/1709917457597526060

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🚀Next launch: Vega flight #VV23 leaving @EuropeSpacePort on October 6 at 22:36 local time, October 7 02:36 BST (03:36 CEST).

Onboard are main passengers:

🛰 Theos-2: @GISTDA Earth observation
🛰 Triton: @TASA_Taiwan ocean wind monitor

And more:
🛰 ANSER: @intaespana fuel-free formation flyers
🛰ESTCube-2: @unitartu plasma-brake demonstrator
🛰N3SS: @cnes radio jammer detector
🛰PRETTY: @tugraz measuring ice and sea height
🛰Proba-V companion cubesat: @esa vegetation monitor
🛰CSC-1 & 2: @EU4Space tech-demonstrator

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English coverage:



French:

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Webcast has started streaming. 16 minutes until the hosted webcast begins.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Webcast has begun.

T-21 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Arianespace CEO describing the mission.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Animation of launch sequence.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-15 minutes. TRITON video.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Board is green.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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THEOS 2 video.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-10 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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IOD/IOV video.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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https://twitter.com/nasaspaceflight/status/1710424759257706607

Quote
Arianespace's Vega rocket is set to launch 12 satellites this evening from the Centre Spatial Guyanais in Kourou, French Guiana.

William Graham (@w_d_graham) with the overview.

https://www.nasaspaceflight.com/2023/10/vega-vv23/

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T-5 minutes. Vega launch centre.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-4 minutes. Start of synchronised sequence.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-3 minutes. Integration video.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-2 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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https://twitter.com/esa_transport/status/1710463202503327984

Quote
Ready for launch. 🚀
The Vega rocket's mobile gantry has been rolled away (left) and Vega #VV23 is ready for liftoff (right) at 02:36 BST (03:36 CEST) today.

Quote
Inside the Vega #VV23 fairing are 12 missions ready to start operations in space
« Last Edit: 10/07/2023 01:37 am by FutureSpaceTourist »

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T-1 minute.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Hold at T-14 seconds due to red!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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« Last Edit: 10/07/2023 01:40 am by FutureSpaceTourist »

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https://twitter.com/arianespace/status/1710469531867484378

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Flight #VV23: Postponement of the launch. The launcher and its satellites are in stable and safe conditions. Stay tuned for further updates.

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Red was in launch complex. Waiting to hear on a new launch date.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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End of webcast. New date to be announced on social media.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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https://twitter.com/Arianespace/status/1710502202798707023

https://newsroom.arianespace.com/flight-vv23-postponement-of-the-launch/

Flight VV23: Postponement of the Launch

Due to a measurement slightly above its maximum threshold during the final countdown, the VV23 launch sequence has been interrupted.

Additional checking is being conducted to confirm a new launch attempt on Saturday, October 7 at 10.36p.m. (local time in Kourou – 01.36a.m. on October 8 UTC).

The launcher and its satellites, THEOS-2, FORMOSAT-7R TRITON and the auxiliary payload are in stable and safe conditions.
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https://twitter.com/esa_transport/status/1710672547073679604

Quote
For all you rocket-lovers, let's do it again tonight 🚀. Vega flight #VV23 now set for liftoff at:

🕥 22:36 local time @EuropeSpacePort October 7🕝 02:36 BST October 8
🕞 03:36 CEST October 8

Watch live via @Arianespace starting around 20 minutes before launch.

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https://twitter.com/arianespace/status/1710705242906525700

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#VV23: additional checks still ongoing, thus no attempt today Saturday, October 7.
Stay tuned for more updates about the new targeted launch date.

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Quote
#VV23: additional checks completed, new launch attempt confirmed on Sunday, October 8 10:36 p.m. Kourou time (01:36 a.m. UTC on October 9). @GISTDA
#TASA @AirbusSpace @TyvakNanoSat @Avio_Group
@esa @CNES @EuropeSpacePort
#GoVega!

https://twitter.com/Arianespace/status/1711057217309331871?t=Ywwe0lhSGET79VkHF-wwCg&s=19
Lukas C. H. • Hobbyist Mission Patch Artist 🎨 • Ad Astra Per Aspera ✨️

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« Last Edit: 10/08/2023 10:39 pm by FutureSpaceTourist »

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Does anyone have a NOTAM for the AVUM stage deorbit?  (I assume the final AVUM burn is for deorbit...)
-----------------------------

Jonathan McDowell
http://planet4589.org

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Does anyone have a NOTAM for the AVUM stage deorbit?  (I assume the final AVUM burn is for deorbit...)

I suspect this navigation warning in the Indian Ocean is for this launch, but I'm not sure.

301301Z SEP 23
HYDROPAC 3120/23(61,71,74).
INDIAN OCEAN.
DNC 03.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
   0345Z TO 0501Z DAILY 05 OCT THRU 04 NOV
   IN AREA BOUND BY
   10-50.00S 090-36.00E, 11-05.00S 091-57.00E,
   25-16.00S 088-47.00E, 25-03.00S 087-19.00E.
2. CANCEL THIS MSG 040601Z NOV 23.
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18.5 minutes to start of webcast.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Webcast has started.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Green board.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-15 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Does anyone have a NOTAM for the AVUM stage deorbit?  (I assume the final AVUM burn is for deorbit...)

I suspect this navigation warning in the Indian Ocean is for this launch, but I'm not sure.

301301Z SEP 23
HYDROPAC 3120/23(61,71,74).
INDIAN OCEAN.
DNC 03.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
   0345Z TO 0501Z DAILY 05 OCT THRU 04 NOV
   IN AREA BOUND BY
   10-50.00S 090-36.00E, 11-05.00S 091-57.00E,
   25-16.00S 088-47.00E, 25-03.00S 087-19.00E.
2. CANCEL THIS MSG 040601Z NOV 23.


Thanks, that seems consistent with the AVUM-5 deorbit burn over Canada!
-----------------------------

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T-10 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-5 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-4 minutes. Start of synchronised sequence.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-2 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-1 minute.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Liftoff!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+1 minute.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+2 minutes. First stage separation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+3 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Second stage separation.

Third stage ignition and Fairing separation.
« Last Edit: 10/09/2023 01:44 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+5 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+6 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Third stage separation.

T+7 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+8 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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AVUM ignition.

T+9 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+10 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+11 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+12 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+13 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+14 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+15 minutes. AVUM cutoff.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+16 minutes. Upcoming events.

+0h 51min 47s 2nd ignition of AVUM
+0h 54min 22s Simultaneous separation of THEOS-2 and FORMOSAT-7R/TRITON
+1h 00min 35s 3rd ignition of AVUM
+1h 42min 49s 4th ignition of AVUM
+1h 43min 58s Auxiliary payload separation
+1h 50min 23s 5th ignition of AVUM
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+30 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Commentators are back.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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AVUM ignition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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AVUM cutoff.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Separation!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Arianespace CEO announcing successful separation of THEOS 2 and TRITON.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Third AVUM ignition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Third cutoff. Burn was about 15 seconds.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+1 hour 30 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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AVUM ignition and cutoff.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Cubesats are deploying.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Three more cubesats.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Fifth AVUM ignition.

Clock as stopped at T+1 hour 50 minutes.
« Last Edit: 10/09/2023 03:29 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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AVUM cutoff.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Webcast still going.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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End of webcast.

Congratulations to Arianespace and their customers for the successful launch!
« Last Edit: 10/09/2023 03:52 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Thank you, Steven, for (Western Hemisphere) tonight's overlapping launch thread coverages! 🌟✨️🏅
« Last Edit: 10/09/2023 04:03 am by zubenelgenubi »
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twitter.com/nasaspaceflight/status/1711194176631579116

Quote
LAUNCH! Arianespace Vega VV23 launches with the THEOS-2 Earth-observation satellite for Thailand, Taiwan's Triton (FORMOSAT-7R) weather satellite, and ten small satellites.

Overview:
https://www.nasaspaceflight.com/2023/10/vega-vv23/

Livestream:
youtube.com/watch?v=XknbyH…

https://twitter.com/nasaspaceflight/status/1711194586524102827

Quote
Staging 1-2.

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twitter.com/nasaspaceflight/status/1711195099680403463

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Staging 2-3.

https://twitter.com/nasaspaceflight/status/1711195851756810721

Quote
Staging 3-4. Heh, that third stage says "See ya then!"

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https://newsroom.arianespace.com/flight-vv23-success-to-the-benefit-of-thailand-taiwan-and-10-cubesats/

Quote
Vega October 09, 2023
FLIGHT VV23: SUCCESS TO THE BENEFIT OF THAILAND, TAIWAN AND CUBESATS

On October 8, Vega flight VV23 successfully placed on a sun-synchronous orbit the Earth observation satellite THEOS-2 for GISTDA and the weather satellite FORMOSAT-7R/TRITON for TASA.

10 cubesats for institutional customers, among which the European Commission, were also on board.


On Friday, October 8 2023 at 22:36 p.m. local time (01:36 a.m. UTC), Arianespace’s Vega mission successfully liftoff from Europe’s Spaceport in Kourou, French Guiana, carrying the optical observation satellite THEOS-2, the weather satellite FORMOSAT-7R TRITON, and ten auxiliary passengers.

”Congratulations to Arianespace teams and their partners, amongst them Avio, ESA and CNES, for this successful Vega launch, commented Stéphane Israël, CEO of Arianespace, after the separation of the last satellite. By delivering multiple satellites to orbit, Vega again has demonstrated its unique versatility. I wish to thank our customers, Airbus Defence and Space for Thailand, Taiwan Space Agency, and the operators and sponsors of the cubesats, amongst them the European Commission, for their trust.”

 ”We are very happy about the success of the mission, said Giulio Ranzo, CEO of Avio SpA. The joint work of Avio, Arianespace and ESA teams has allowed to leverage the Vega launcher, in order to minimize schedule changes for customers, demonstrating resilience and commitment.”

 After liftoff from Europe’s Spaceport, the Vega launcher flown powered by the first three stages for a little over six minutes before the separation of the upper stage from the third stage, ZEFIRO-9. The AVUM upper stage ignited twice before releasing simultaneously the two main satellites at an altitude of 601 km. Following two other ignitions of the AVUM, the ten cubesats composing the auxiliary payload all succesfully separated, thus marking the end of mission VV23, one hour, 43 minutes and 58 seconds after liftoff. A fifth and last AVUM ignition deorbited the launcher.

With this launch, Vega successfully orbited:

THEOS-2 (THailand Earth Observation System-2), a very-high-resolution Earth observation optical satellite, provided by Airbus Defence and Space to support the Kingdom of Thailand’s key development priorities.

FORMOSAT-7R/TRITON, an experimental satellite designed and manufactured by TASA (Taiwan Space Agency). FORMOSAT-7R/TRITON plays two roles: it is both a weather satellite and a scientific satellite.

Regarding the cubesats for institutional missions and the European Commission, all separation commands were properly executed; the confirmation of the separation was acquired for 8 satellites; the separation of the last 2 cubesats is still to be confirmed.

As prime contractor for the Vega, in charge of development and production, AVIO Spa (Colleferro, Italy) delivers a flightworthy launcher on the launch pad to Arianespace, which sells and operates the launcher from the Guiana Space Center (CSG). During the launch campaigns, Arianespace works closely with CNES, the French space agency and the launch range authority at the European Spaceport in Kourou, who is notably looking after the satellite preparation facilities.

The launch at a glance:

348th launch overall for the Arianespace range of launcher

21st flight of a Vega rocket launched by Arianespace

THEOS-2, FORMOSAT-7R/TRITON, PRETTY, ESTCUBE-2, MACSAT, PVCC, N3SS, ANSER LEADER/ANSER FOLLOWER 1/ANSER FOLLOWER 2, CSC 1 and CSC 2 (Project-2) are the 1154th to 1165th satellites launched by Arianespace.

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That's all for Kourou orbital launches this year, 3 for 3. :'(
« Last Edit: 10/09/2023 08:03 am by zubenelgenubi »
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https://x.com/esa_transport/status/1711401411945070977

Quote
More shots of Vega #VV23 launch 🚀. High-resolution download and more angles available on the @esa website: https://www.esa.int/ESA_Multimedia/Search?SearchText=vega&result_type=images

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https://twitter.com/tsfu_taiwan/status/1711395039816085991

Quote
Good news of TRITON satellite!

TASA has confirmed that it has established communication with TRITON satellite and confirmed that it is healthy. The satellite's attitude control, temperature, power, etc. are all in line with expectations!

Credit: @TASA_Taiwan

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https://twitter.com/planet4589/status/1711413372074287461

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The two main payloads from the Vega launch have been cataloged in a 602 x 605 km x 97.9 deg sun-synch orbit. No TLEs yet for the cubesats, which are in a lower orbit. The Starlink Group 7-4 sats are in a 284 x 295 km  x 53.1 deg orbit.

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https://twitter.com/tskelso/status/1711423834216423603

Quote
CelesTrak has GP data for 2 objects from the launch (2023-155) of THEOS-2, TRITON, & 10 other payloads atop a Vega rocket from Europe’s Spaceport on Oct 9 at 0138 UTC: spacenews.com/vega-launches-…. Data for the launch can be found at: https://celestrak.org/NORAD/elements/table.php?INTDES=2023-155

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CelesTrak has GP data for 2 objects from the launch (2023-155) of THEOS-2, TRITON, & 10 other payloads atop a Vega rocket from Europe’s Spaceport on Oct 9 at 0138 UTC: spacenews.com/vega-launches-…. Data for the launch can be found at: https://celestrak.org/NORAD/elements/table.php?INTDES=2023-155

The table is showing only eight payloads in 570 km orbits, compared to the expected 10 cubesats. ESA also said

"On this commercial flight, ten smaller secondary satellites were set to be released into orbit around 50 minutes after the two main passengers. All separation commands were properly executed and confirmation of the separation was acquired for eight satellites, the separation of the last two cubesats is still to be confirmed."

https://www.esa.int/Enabling_Support/Space_Transportation/Vega/Vega_flies_to_bring_satellites_to_space

Anybody know which cubesats failed to separate?
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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https://twitter.com/astropolo_space/status/1711208957459468740

Quote
#VV23
@Arianespace @ESA_transport @Avio_Group @CNES @BeyondGravity_S

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CelesTrak has GP data for 2 objects from the launch (2023-155) of THEOS-2, TRITON, & 10 other payloads atop a Vega rocket from Europe’s Spaceport on Oct 9 at 0138 UTC: spacenews.com/vega-launches-…. Data for the launch can be found at: https://celestrak.org/NORAD/elements/table.php?INTDES=2023-155

The table is showing only eight payloads in 570 km orbits, compared to the expected 10 cubesats. ESA also said

"On this commercial flight, ten smaller secondary satellites were set to be released into orbit around 50 minutes after the two main passengers. All separation commands were properly executed and confirmation of the separation was acquired for eight satellites, the separation of the last two cubesats is still to be confirmed."

https://www.esa.int/Enabling_Support/Space_Transportation/Vega/Vega_flies_to_bring_satellites_to_space

Anybody know which cubesats failed to separate?

I couldn't find any deployment sequence or timeline for the CubeSats, and unfortunately there were no callouts for them on the webcast. The only info I found so far:

"The first release of the cubesats were of PVCC, CSC-1 and ANSER-F2, followed by three further releases of the other spacecraft."

Source: https://www.seradata.com/after-a-couple-of-days-delay-vega-1-is-launched-carrying-12-satellites/
bit.ly/SpaceLaunchCalendar ☆ bit.ly/SpaceEventCalendar

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CelesTrak has GP data for 2 objects from the launch (2023-155) of THEOS-2, TRITON, & 10 other payloads atop a Vega rocket from Europe’s Spaceport on Oct 9 at 0138 UTC: spacenews.com/vega-launches-…. Data for the launch can be found at: https://celestrak.org/NORAD/elements/table.php?INTDES=2023-155

The table is showing only eight payloads in 570 km orbits, compared to the expected 10 cubesats. ESA also said

"On this commercial flight, ten smaller secondary satellites were set to be released into orbit around 50 minutes after the two main passengers. All separation commands were properly executed and confirmation of the separation was acquired for eight satellites, the separation of the last two cubesats is still to be confirmed."

https://www.esa.int/Enabling_Support/Space_Transportation/Vega/Vega_flies_to_bring_satellites_to_space

Anybody know which cubesats failed to separate?

ESTCube-2 does not respond.
https://www.linkedin.com/posts/sirli-sarapuu_estonian-student-satellite-estcube-2-was-activity-7117923248415158273-4esW?trk=public_profile_share_view

Quote
Sirli Sarapuu

Communications Lead at Tudengisatelliit / Owner at Sirli Disain OÜ
2 Tage

🛰️Estonian Student Satellite ESTCube-2 was launched to orbit on 9.10 at 4:36 Estonian time. While it is great that our satellite is in orbit, there is an unexpected problem with the satellite and we haven't gotten into contact with it yet.

🛰️Our team has analyzed several possible causes of why the satellite has not sent a signal or is not sending anymore (assuming some of the early & uncertain packets were ESTCube-2's). As of now, we think that the batteries could be too drained to boot up properly.

🛰️We have added a lot of solar cells on ESTCube-2 and we hope that in a few days it has gathered enough energy to boot correctly. From that point on we have commands already in place to put it into a deep sleep mode and then in between, command the cubesat as necessary.

🛰️Together with radio amateur and cubesat communities will continue listening for the ESTCube-2 signal, while investigating the satellite's table model behavior during the initialization sequence.  We cannot rule out an option that a critical system or component, such as solar cells or power harvesting components, have been broken during the launch, in which case we will not be able to find out what exactly happened.

🛰️Keep your fingers crossed for us and hopefully everything will get figured out and fixed!

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So now we have confirmation that ESTCube 2 and ANSER-Leader didn't deploy and were lost during reentry of the AVUM upper stage.

"Following the VEGA VV23 launch last Sunday, ARIANESPACE has now the strong suspicion that your satellites ESTCube-2 and ANSER-Leader were unfortunately not separated from their respective deployers."

Source: https://europeanspaceflight.com/two-vega-vv23-payloads-failed-to-deploy/
bit.ly/SpaceLaunchCalendar ☆ bit.ly/SpaceEventCalendar

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sad,
Avio's press release is therefore nonsense.

Quote
... Following two other ignitions of the AVUM, ten cubesats from the auxiliary payload all successfully separated; the confirmation of the separation was acquired for 8 satellites, the separation of the last 2 cubesats is still to be confirmed. ...
https://www.avio.com/press-release/vega-vv23-mission-successfully-completed

 :o

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Space-Track now renamed THEOS-2 as "T2V" Anyone familiar with this designation?
-----------------------------

Jonathan McDowell
http://planet4589.org

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Space-Track now renamed THEOS-2 as "T2V" Anyone familiar with this designation?

THEOS 2 Vehicle?
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Space-Track now renamed THEOS-2 as "T2V" Anyone familiar with this designation?

"V" is possibly for "Very High Resolution" (VHR)

According to following link, the full name is "Thailand Earth Observation System - 2 Main VHR Satellite"

https://space.oscar.wmo.int/satellites/view/theos_2_main
« Last Edit: 10/17/2023 04:47 pm by Skyrocket »

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Thread with info from ESA about the VV23 SSMS failure.
https://twitter.com/SpaceVoyaging/status/1714980652884324398
Quote
During the Information session from ESA’s 317th Council for Media, ESA says that the Vega VV23 flight is now under official investigation.
The investigation is led by Arianespace and Avio, with support from ESA.

https://twitter.com/SpaceVoyaging/status/1714980856975024421
Quote
They assume that the two Cubesats remained attacched to the SSMS (deployer) but the command was sent correctly.
The SSMS is provided by Avio.

https://twitter.com/SpaceVoyaging/status/1714981434174087184
Quote
Asked about the future flights of Vega, they said that the next flight won't use the SSMS Deployer and that Vega flights are not grounded due to this failure.
Unclear if the next mission using SSMS will be delayed or not, and how we'll be updated about the investigation...

https://twitter.com/Skyrocket71/status/1715020607492874387
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Do you know if the failed deployer is considered to be part of the payload or of the launch vehicle?

https://twitter.com/SpaceVoyaging/status/1715025269013029113
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The deployer is the SSMS, which is not part of the launch vehicle, but an addition for certain missions that requires multiple small satellites to be deployed.
The SSMS system is produced also by Avio, the manufacturer of *most parts* of Vega...

[Edit: zubenelgenubi]
« Last Edit: 10/19/2023 03:43 pm by zubenelgenubi »
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Offline GWR64

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The deployer for Estcube-2 was from Astrofein.
https://www.estcube.eu/blog/ESTCube--2%27s-journey-into-space

And the Anser leader deployer was also from Astrofein.
But this block contained Anser leader, Anser follower 1 + 2 and the N3SS cubesat.
https://community.element14.com/technologies/sensor-technology/b/blog/posts/anser-cubesats-launch-into-orbit-to-monitor-the-iberian-waters
2nd picture
« Last Edit: 10/22/2023 10:06 am by GWR64 »

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