Author Topic: PSLV-CA C55 - TeLEOS 2 / Lumelite-4 / POEM 2 - FLP - 22 April 2023 (08:50 UTC)  (Read 26944 times)

Offline Steven Pietrobon

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Re: PSLV-CA C55 - TeLEOS 2 - FLP - 22 April 2023 (08:50 UTC)
« Reply #60 on: 04/22/2023 09:14 am »
ISRO Chairman.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: PSLV-CA C55 - TeLEOS 2 - FLP - 22 April 2023 (08:50 UTC)
« Reply #61 on: 04/22/2023 09:17 am »
NSIL CMD.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: PSLV-CA C55 - TeLEOS 2 - FLP - 22 April 2023 (08:50 UTC)
« Reply #62 on: 04/22/2023 09:20 am »
Mission Director.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: PSLV-CA C55 - TeLEOS 2 - FLP - 22 April 2023 (08:50 UTC)
« Reply #63 on: 04/22/2023 09:23 am »
586.0x586.8 km, 9.9 degree orbit.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online FutureSpaceTourist

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Re: PSLV-CA C55 - TeLEOS 2 - FLP - 22 April 2023 (08:50 UTC)
« Reply #64 on: 04/22/2023 09:23 am »
https://twitter.com/isro/status/1649704953961934848

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PSLV- C55/TeLEOS-2 mission is accomplished successfully.

In a textbook launch, the vehicle placed TeLEOS-2 and LUMELITE-4 satellites precisely into their intended 586 km circular orbit.

@NSIL_India
@PIB_India

Offline Steven Pietrobon

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Re: PSLV-CA C55 - TeLEOS 2 - FLP - 22 April 2023 (08:50 UTC)
« Reply #65 on: 04/22/2023 09:27 am »
Signal received from TeLEOS 2.

Next launches are GSLV, PSLV and LVM-3. Three major missions in next few months.
« Last Edit: 04/22/2023 09:28 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: PSLV-CA C55 - TeLEOS 2 - FLP - 22 April 2023 (08:50 UTC)
« Reply #66 on: 04/22/2023 09:32 am »
End of webcast.

Congratulations to ISRO and Singapore for the successful launch!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online FutureSpaceTourist

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Re: PSLV-CA C55 - TeLEOS 2 - FLP - 22 April 2023 (08:50 UTC)
« Reply #67 on: 04/22/2023 09:34 am »
Yes congratulations to ISRO and Singapore!

Many thanks to Steven yet again for the excellent live launch coverage.

Online FutureSpaceTourist

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Re: PSLV-CA C55 - TeLEOS 2 - FLP - 22 April 2023 (08:50 UTC)
« Reply #68 on: 04/22/2023 09:44 am »

Online FutureSpaceTourist

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twitter.com/isro/status/1649711106108321794

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While the POEM is being written,
here are initial 📸...

https://twitter.com/isro/status/1649725078148448256

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PSLV roaring into the sky 🚀

Online FutureSpaceTourist

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https://twitter.com/tskelso/status/1649818276594343938

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CelesTrak has GP data for 1 object from the launch (2023-057) of TeLEOS-2 and Lumelite-4 atop a PSLV-CA rocket from Satish Dhawan Space Centre on Apr 22 at 0849 UTC: thehindu.com/sci-tech/scien…. Data for the launch can be found at: https://celestrak.org/NORAD/elements/table.php?INTDES=2023-057

Offline Skyrocket

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Interesting - we have a new version of the PSLV-CA rocket, which either feature combined external TVC fluid tanks and roll control pods or have the roll control engine pods omitted.
« Last Edit: 04/23/2023 11:33 am by Skyrocket »

Offline Steven Pietrobon

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Here's the press kit.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online Alter Sachse

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Was the time of the launch 08:49 UTC ?
One day you're a hero  next day you're a clown  there's nothing that is in between
        Jeff Lynne - "21century man"

Offline ZachS09

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Was the time of the launch 08:49 UTC?

It was, but for some reason, the launch was pushed back one minute.

I didn’t watch the webcast, hence why I don’t know the answer to the T0 change.
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!

Offline vyoma

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Bellatrix Aerospace ARKA-200 Hall effect thruster payload was flown on POEM-2.
« Last Edit: 07/12/2023 06:09 pm by russianhalo117 »

Offline vyoma

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Bellatrix Aerospace ARKA-200 Hall effect thruster payload - 1 month report: https://twitter.com/BellatrixAero/status/1661391459738882048
« Last Edit: 05/30/2023 08:48 pm by vyoma »

Offline vyoma

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QuantESS payload on POEM-2 on PSLV C55 (Quantum Entanglement studies in Space): https://tec.gov.in/pdf/QC/Shri%20NM%20Desai_1_2.pdf

Edit: This payload was not flown on PSLV C55.
« Last Edit: 07/12/2023 06:15 pm by vyoma »

Offline Star One

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It’s possible a fuel tank from this mission has washed up on a beach in Western Australia.

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The Australian Space Agency, which is also part of the investigation, said it was looking into the possibility that it could be a part of a foreign space launch vehicle.

“The agency is working to confirm whether the object could be part of a foreign space launch vehicle that has washed up on shore, and liaising with global counterparts who may be able to provide information about the object,” a spokesperson for the agency said.

“As the origin of the object is unknown, the community should avoid handling or attempting to move the object.”

Experts said that the object could be a part of India’s satellite launch to the moon. It is suspected to be the fuel tank of the Polar Satellite Launch Vehicle (PSLV) rocket. The latest PSLV mission was the PSLV-55 that was successfully launched in April this year.

https://www.independent.co.uk/news/world/australasia/green-head-mystery-object-australia-beach-b2376467.html
« Last Edit: 07/17/2023 04:38 pm by Star One »

Offline Steven Pietrobon

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This mission went into a low inclination orbit of 10°. Third stage separation occurred at T+586.68 s (9m46.68s) at an altitude of 350 km heading towards space. Not sure where re-entry would be but it would be quite a bit east of India. Someone could work this out from the telemetry that was shown. That's a fairly long trip to Green Head, Western Australia, where the stage was recovered! The previous C54  launch was to a polar orbit, so the third stage probably has an easier path to get to Western Australia.
« Last Edit: 07/22/2023 02:49 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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