Author Topic: Angara-A5/Orion - GMM KA, Gagarinets, smallsat mass model - Vostochny - 11 April 2024 (09:00:00.164  (Read 33843 times)

Online catdlr

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https://twitter.com/Harry__Stranger/status/1777318395807146473

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Harry Stranger
@Harry__Stranger
Russia's Angara A5 rocket was captured on its launch pad at Vostochny Cosmodrome by Airbus's Pleiades NEO 4 satellite yesterday. Tomorrow will be the first time the rocket will fly from this launch site.
« Last Edit: 04/11/2024 09:27 am by catdlr »
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Offline B. Hendrickx

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As was to be expected, no details were given on the upcoming Orion burns. The launch commentator only said that the upper stage and the "test payload" were placed into "an initial non-closed orbit". This means that they were on a suborbital trajectory and that a first Orion burn was needed to place them into a low parking orbit. From the first webcast the day before yesterday I understand this will be a roughy circular 450 km orbit and that the ultimate goal is to reach an orbit "close to geostationary". Obviously, they don't want to "contaminate" GEO with any mock-up payloads. We may have to wait several hours for Roscosmos to release a statement on final orbit insertion or, if that doesn't happen, for the Two-Line Elements.

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As was to be expected, no details were given on the upcoming Orion burns. The launch commentator only said that the upper stage and the "test payload" were placed into "an initial non-closed orbit". This means that they were on a suborbital trajectory and that a first Orion burn was needed to place them into a low parking orbit. From the first webcast the day before yesterday I understand this will be a roughy circular 450 km orbit and that the ultimate goal is to reach an orbit "close to geostationary". Obviously, they don't want to "contaminate" GEO with any mock-up payloads. We may have to wait several hours for Roscosmos to release a statement on final orbit insertion or, if that doesn't happen, for the Two-Line Elements.

I wouldn't want that mass simulator coming down in some populated area.  Thanks B. Hendrickx.
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Offline B. Hendrickx

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A source on the NK forum says the first Orion burn was successful and that a small satellite called Gagarinets (developed by a company named Avant Space) was released shortly afterwards. So it looks like there are one or more cubesats on board after all.

Offline B. Hendrickx

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Roscosmos has confirmed the release of the Gagarinets satellite, describing it as a 3U cubesat developed by Avant Space that will be used to "test elements of the [satellite] platform".

Some more details on Gagarinets have appeared in a local newspaper in the Amur region:
https://ampravda.ru/2024/04/11/ranshe-ilona-maska-pervyjj-reklamnyjj-sputnik-ushel-v-kosmos-s-kosmodroma-vostochnyjj

It turns out this is an experimental version of a future constellation of satellites that will be used for advertising in space. They will be equipped with 150 Watt laser diodes that can project images (such as company logos) in the night sky. The lasers will be switched on only when the satellites are flying over major cities so as not to interfere with astronomical observations. The satellites will orbit between 600 and 800 km and will be de-orbited after completing their missions. This will be done with an ion propulsion system developed in-house by Avant Space. This will probably also be needed to ensure accurate formation flying of the satellites to maintain the shape of the logos or whatever is projected. According to some sources the lasers will also be used to transmit some type of QR code. When pointing a phone at a satellite from the constellation, the user will thus receive information in the form of text or hyperlinks.

According to the article, Gagarinets was originally supposed to be launched together with a South Korean satellite on a Soyuz-2 rocket in 2022, but the South Koreans withdrew their payload from the rocket after the beginning of the war in Ukraine (this was the CAS500-2 satellite, which has since been rescheduled for launch on a Falcon-9 rocket). Avant Space then requested permission to fly the satellite on the first Angara-A5 from Vostochny. Gagarinets was deployed from the Orion upper stage 33m33s after launch and telemetry from it was first received from Crimea. Presumably, the experimental satellite will be used to test the ion propulsion system and possibly the laser system as well.

Although the existence of this project (known as "Sozvezdiye" or "Constellation") has been known for quite some time, Roscosmos for some reason elected not to reveal the presence of this payload aboard Angara-A5 until after launch.  Reports in early 2020 said that the first two experimental satellites would be deployed from a Progress cargo vehicle after undocking from the ISS in 2022. They would be installed in a cubesat container developed by the KosmoLab company. Obviously, the plans later changed, with only one satellite remaining and moving first to the Soyuz-2 and then to Angara-A5. It does some to have been deployed from the originally planned KosmoLab container (see post 17 in this thread).

More information is on Avant Space's website:
https://avantspace.com/
Also plenty of information on the ion propulsion system. Two were developed (GT-50 and GT-100), but I suppose the one that will be tested is GT-50. See, for instance, here:
https://www.esa.int/Applications/Technology_Transfer/Avant_Space_Propulsion_Systems_Ion_Thruster_for_small_satellite_manoeuvring

Also see this YouTube video:


Offline B. Hendrickx

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Roscosmos confirms that the Orion upper stage and the mass simulator have reached geostationary orbit. They will later be placed into a graveyard orbit. As expected, the mass simulator will not be separated from the upper stage. It looks like there were three Orion burns: one to reach parking orbit, a second to reach an intermediate transfer orbit and a third to reach GEO.

So congratulations to the Russian launch team. Nice present on the eve of Cosmonautics Day.

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I suppose that that maneuver while clearing the launch tower is normal (?)

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Launch photos from Roscosmos Telegram...

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Launch photos from Roscosmos Telegram...

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A few more...

Offline jcm

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Three objects (59479, 579480 and 59482) cataloged in 196 x 450 km x 51.7 deg orbit.
Actually only the latter two have TLEs; probably 59479 will be the GEO graveyard object (Orion with attached GMM KA)
The two lower orbit objects presumably Gagarinets and a debris object of some kind (or another cubesat payload?)
« Last Edit: 04/11/2024 10:18 pm by jcm »
-----------------------------

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Offline SnowyOwl

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Orion in action, as seen by ISON.

https://t.me/kiam_ison_network/195

Offline edkyle99

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Some more details on Gagarinets have appeared in a local newspaper in the Amur region:
https://ampravda.ru/2024/04/11/ranshe-ilona-maska-pervyjj-reklamnyjj-sputnik-ushel-v-kosmos-s-kosmodroma-vostochnyjj
It turns out this is an experimental version of a future constellation of satellites that will be used for advertising in space. They will be equipped with 150 Watt laser diodes that can project images (such as company logos) in the night sky. The lasers will be switched on only when the satellites are flying over major cities so as not to interfere with astronomical observations.
Unleashing a nightmare.  This has to be outlawed ASAP.   IMO.

 - Ed Kyle

Offline russianhalo117

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Three objects (59479, 579480 and 59482) cataloged in 196 x 450 km x 51.7 deg orbit.
Actually only the latter two have TLEs; probably 59479 will be the GEO graveyard object (Orion with attached GMM KA)
The two lower orbit objects presumably Gagarinets and a debris object of some kind (or another cubesat payload?)
Originally their was information of potentially two cubesats however only one has been publically confirmed post launch as existing and released. The second cubesat originally planned is unknown identification wise.

I'm going by sites informants such as RSW et cetera.

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https://twitter.com/TylerG1998/status/1778469399436939660

https://twitter.com/TylerG1998/status/1778469786504007690

Tyler Gray
@TylerG1998
2nd success of the day! (The first being the Angara A5 test flight that launched earlier.)

Updated orbital launch count as of Apr. 11:

Earth 🌎 — 70/71

USA 🇺🇸 — 43/43
China 🇨🇳 — 15/15* (1 partial failure)
Russia 🇷🇺 — 6/6
Japan 🇯🇵 — 2/3
Iran 🇮🇷 — 2/2
India 🇮🇳 — 2/2

1/3

Orbital launches by organization:

🇺🇸 — 37 SpaceX, 4 Rocket Lab, 2 ULA
🇨🇳 — 11 CASC (1 partial failure), 2 CASIC, 1 OrienSpace, 1 CAS Space
🇷🇺 — 5 TsSKB Progress, 1 Khrunichev
🇯🇵 — 2 MHI, 1 Space One ❌
🇮🇳 — 2 ISRO
🇮🇷 — 1 IRGC, 1 ISA

2/3

Launches by spaceport:

🇺🇸 — 18 CCSFS, 13 Vandy, 8 KSC, 1 Wallops
🇨🇳 — 5 Xichang, 4 Jiuquan, 3 Wenchang, 2 offshore, 1 Taiyuan
🇳🇿 — 3 Māhia
🇷🇺 — 3 Baikonur, 2 Vostochny, 1 Plesetsk
🇯🇵 — 2 Tanegashima, 1 Space Port Kii
🇮🇳 — 2 Satish Dhawan
🇮🇷 — 1 Shahrud, 1 Semnan

3/3
« Last Edit: 04/12/2024 05:37 am by catdlr »
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https://twitter.com/TSKelso/status/1778549433569063043

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T.S. Kelso
@TSKelso
CelesTrak has GP data for 2 objects from the launch (2024-069) of the Gagarinets CubeSat 3U (a test payload) atop an Angara-A5 rocket from Vostochny Cosmodrome on Apr 11 at 0900 UTC: https://tass.com/science/1773571 and https://tass.com/science/1773685 (with data at https://celestrak.org/NORAD/elements/table.php?INTDES=2024-069.
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https://twitter.com/planet4589/status/1778551128155681269

https://twitter.com/planet4589/status/1778551683942920311

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Jonathan McDowell
@planet4589
LAUNCH at 0900 UTC of an Angara A5 from Vostochniy. The Angara third stage (URM-2) reached an approx 1  x 450 km x 51.7 deg orbit, falling it the Atlantic near 7W 32S at about 1000 UTC. Meanwhile the Orion upper stage separated at 0912 UTC .. (cont)

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and boosted itself to a 196 x 450 km x 51.7 deg parking orbit where it released Avant Space's Gagarinets cubesat Orion burn 2 at about 0930 UTC reached geotransfer orbit, and burn 3 at about 1500 UTC placed the stage in geostationary orbit (cont)


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After a simulation of separation of the dummy payload, the stage then made one or two more burns to reach a GEO graveyard orbit a few hundred km above GEO, completing the first successful full-scale Angara A5 mission.
« Last Edit: 04/12/2024 05:57 am by catdlr »
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