Author Topic: Vega-C VV22 - Pléiades Neo 5 and 6 - 21 December 2022 (01:47 UTC)  (Read 6605 times)

Offline jacqmans

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November 18, 2022

Arianespace’s first Vega C mission to complete Pléiades Neo constellation for Airbus Defence and Space


- Arianespace’s upcoming Vega C launch, scheduled for November 24, will orbit Pléiades Neo 5 and 6, thus completing the new Airbus Defence and Space’s Earth Observation constellation.

– After the successful Vega C inaugural flight in July 2022, flight VV22 marks the beginning of Vega C operational phase, under the responsibility of Arianespace.

On Thursday, November 24, 2022 at 10:47 pm local time (01:47 am (UTC) on Friday, November 25), Arianespace’s first Vega C mission will lift off from Europe’s Spaceport in French Guiana, with the 30cm resolution satellites Pléiades Neo 5 and 6. This first commercial flight follows the success, July 13, of Vega C inaugural launch operated by the European Space Agency (ESA).

After liftoff from Europe’s Spaceport, the Vega C launcher will fly powered by the first three stages for a little over seven minutes. The third stage ZEFIRO 9 will then separate from the upper composite, which comprises the AVUM+ upper stage and the two Pléiades Neo satellites. The AVUM+ stage will ignite its engine for the first time about nine and an half minutes, followed by a ballistic phase lasting approximately 35 minutes, in order to reach the injection altitude of the first satellite. The AVUM+ stage will then restart its engine for a second burn lasting 2 minutes and 30 seconds to circularize the orbit at an altitude of 629 km before releasing the first satellite. The next step, 6 minutes and 39 seconds later, will be a 15 seconds RACS boost leading to a new ballistic phase lasting about 36 minutes. It will be interrupted by a third AVUM+ ignition phase lasting exactly 5 seconds, and will be followed by the release of the second satellite at an altitude of 614 km. Around nine minutes later will occur the fourth and last AVUM+ ignition for a period of 61 seconds, which will deorbit the launcher. That will mark the end of mission VV22, one hour, 53 minutes and 55 seconds after liftoff.

Pléiades Neo 5 and 6 fully funded and manufactured by its operator Airbus, are the two final satellites of the Pléiades Neo constellation. The first one, Pléiades Neo 3, has been successfully orbited by Vega Flight 18 on April 28, 2021, and the second one, Pléiades Neo 4, by Vega Flight 19 on August 16, 2021. Built using the latest Airbus’ innovations and technological developments, the constellation allows to image any point of the globe, several times per day, at 30cm resolution. Highly agile and reactive, they can be tasked up to 15 minutes before acquisition, and send the images back to Earth within the following hour. Smaller, lighter, more agile, accurate and reactive than the competition, they are the first of their class whose capacity will be fully commercially available. Thanks to these state-of-the-art satellites, each step of the acquisition and delivery cycle offers top-level Earth observation services now and going forward for the next ten years.

Vega C, which stands for Consolidation, has been developed to better respond to customers’ needs based on the lessons learned from the first decade (2012-2022) of Vega operations.

The launcher has been upgraded with more powerful first and second stage Solid Rocket Motors, bigger AVUM tanks and with a larger fairing that significantly increase payload mass (up to 2,350t in SSO – Sun-Synchronous Orbit) and double allowable volume. The launcher also better meets the specific needs of small spacecraft, thanks to its improved SSMS (Small Spacecraft Mission Service) dispenser and to its AVUM+ that will allow seven re-ignitions. Vega C can thus achieve three different orbits for its multiple payloads on the same mission, instead of the two previously possible with Vega.

Vega C development program has been managed by ESA. It associates 12 of Member States of the Agency. Avio Spa (Colleferro, Italy) is the industrial prime contractor for both launch vehicle and interfacing ground infrastructure. Avio is also responsible for campaign operations and preparation of the launch vehicle up to lift-off. Avio hands over a “ready to fly” rocket to Arianespace, which sells the Vega C, defines the missions’ requirements, validates its flight worthiness, and operates it from Europe’s Spaceport in French Guiana. During 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 besides being responsible for the protection of populations.

The launch at a glance:

344th launch for the Arianespace launcher family (307th launch from CSG).
4th launch of Arianespace in 2022.
Pléiades Neo 5 and 6 will respectively be the 139th and 138th Airbus Defence and Space satellites to be launched by Arianespace.
Pléiades Neo 5 and 6 will respectively be the 120th and 119th satellites launched by a launcher of the Vega family.

https://www.arianespace.com/press-release/arianespaces-first-vega-c-mission-to-complete-pleiades-neo-constellation-for-airbus-defence-and-space/
« Last Edit: 11/18/2022 01:18 pm by zubenelgenubi »

Online Rondaz

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Next week on Nov, 24 the launcher @esa_sts Vega-C will lift-off from Kourou for its first commercial flight (operated by
@arianespace) https://arianespace.com/press-release/arianespaces-first-vega-c-mission-to-complete-pleiades-neo-constellation-for-airbus-defence-and-space/
 

This is the rocket’s 2nd flight after its maiden flight in July. We proudly contribute with our payload fairing

https://twitter.com/BeyondGravity_S/status/1593559467605590017

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https://twitter.com/andrewparsonson/status/1594617771031203841

Quote
The @Avio_Group-built Vega C that will be used for the vehicle's first commercial flight is now fully stacked ahead of the launch on Friday, Nov 25 at 02:47 CET. The mission will carry a pair of @AirbusSpace Pléiades Neo satellites.

Online Rondaz

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The new European light launcher #VegaC will launch from Europe's spaceport on Thursday November 24 at 10:47 p.m. (Kourou), 0147 UTC.  It will carry #Pléiadesneo 5 & 6 Earth observation satellites..

https://twitter.com/nkknspace/status/1594744383651434496

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Getting closer to launch, bye bye Pleiades Neo 5 and 6

https://twitter.com/DutchSpace/status/1594755475786047488

Online Rondaz

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The upcoming second flight of the European Vega-C launcher uses the two halves of our payload fairing as top of the rocket. Vega-C has been upgraded with a larger fairing that significantly increases payload mass (up to 2,350t in Sun-Synchronous Orbit

https://twitter.com/BeyondGravity_S/status/1594631464490094593

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https://twitter.com/airbusspace/status/1595045112874434562

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Hidden under the fairing of this #VegaC rocket: the twin #PléiadesNeo satellites 🛰️ waiting for their launch 🚀 by @Arianespace on 24 Nov. 22:47 pm local time (25 Nov. 02:47 am CET).
These 2 high res. Earth observation 🛰️ will join the first 2 already orbiting at 620 km.
#VV22

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Online FutureSpaceTourist

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https://twitter.com/europespaceport/status/1594737437024059392

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-3 before takeoff of the first commercial flight of #VegaC 🚀🤩

In pictures, the transfer then the hoisting and finally the assembly of the fairing containing the Pléiades Neo 5 & 6 satellites, on the rest of the launcher.

More info on the flight program ➡️ centrespatialguyanais.cnes.fr/fr/vv22-lancem…

Offline bolun

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Online Rondaz

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Orbital Launch no.163 of 2022

Pléiades-Néo 5&6 | Arianespace | Nov 25 | 0147 UTC

@Arianespace #VV22 mission to launch 2 @AirbusSpace #PléiadesNéo🛰️ (5&6) on @Avio_Group's new #VegaC from @EuropeSpacePort in #FrenchGuiana.

https://twitter.com/SpaceIntellige3/status/1595432122021445634

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https://twitter.com/jeff_foust/status/1595810468425252870

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Arianespace says the Vega C launch of two Pléiades Neo satellites scheduled for tonight has been postponed due to “defective equipment that needs to be replaced on the launcher.”  Launch will delayed to December.

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Re: Vega-C VV22 - Pléiades Neo 5 and 6 - NET Dec 2022
« Reply #32 on: 11/24/2022 03:40 pm »
https://twitter.com/arianespace/status/1595809823739842560

Quote
Due to a defective equipment that needs to be replaced on the launcher, Flight #VV22 is being postponed.
The #VegaC launch vehicle and the two #PléiadesNeo satellites are in safe conditions.
A new launch date, in December, will be shared as soon as possible.

Offline Fmedici

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Re: Vega-C VV22 - Pléiades Neo 5 and 6 - NET Dec 2022
« Reply #33 on: 11/24/2022 05:04 pm »
Didn't notice that before but it looks like Arianespace started issuing Vega mission patches similar to the Ariane 5 ones:

(taken from the press kit)

Offline Lewis007

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Re: Vega-C VV22 - Pléiades Neo 5 and 6 - NET Dec 2022
« Reply #34 on: 11/24/2022 05:32 pm »
Here's the VV22 CSG "launch sticker."

Online Rondaz

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Re: Vega-C VV22 - Pléiades Neo 5 and 6 - NET Dec 2022
« Reply #35 on: 11/25/2022 01:12 am »
The launch of two @AirbusSpace- built Pleiades high-resolution optical satellites aboard an @Arianespace @Avio #VegaC rocket, scheduled for today, has been delayed to sometime in December due to 'defective equipment on the launcher that needs to be replaced,' Arianespace said.

https://twitter.com/pbdes/status/1595812215046950912

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Offline zubenelgenubi

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Cross-posts:
https://spaceflightnow.com/launch-schedule/ [Nov 29 update]
Quote
Dec. 20 • Vega-C • Pléiades Neo 5 & 6
Launch time: 0147 GMT (9:47 p.m. EST)
Launch site: ZLV, Kourou, French Guiana

https://twitter.com/Avio_Group/status/1597545258392637442
Quote
Avio @Avio_Group
The new targeted launch date for #VegaC's next launch is December 20 🚀 #StayTuned for #VV22 #VC02 [Nov 29]

I think December 21st (UTC) was correct for VV22.

Quote
Pléiades Neo, Countdown has Commenced!

The launch of the final two satellites in French Guyana on 20th December 2022 - 22h47 - Kourou time (21st December – 1h47 UTC / 21st December – 2h47 CET) represents the completion of the Pléiades Neo constellation and the dawn of a new era in very high-resolution Earth observation. Now really is the moment the stars align!
https://www.intelligence-airbusds.com/
« Last Edit: 12/01/2022 03:11 am by zubenelgenubi »
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