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Nauka and it's Proton-M rocketbooster

29 Jul 2021, 13:07 UTC
Nauka and it's Proton-M rocketbooster
(200 words excerpt, click title or image to see full post)

click image to enlargeOn 21 July 2021 at 14:58 UT, Roscosmos launched the new MLM-NAUKA module for the ISS from Baikonur, using a 3-stage Proton-M rocket. After its arrival at the International Space Station (ISS) on July 29, it will replace the PIRS module. Docking is set for 13:24 UT on the 29th.The NAUKA launch came much belated: originally slated for launch in 2007 (!) it was postponed several times, amongst others after a problem with iron fillings in the engine plumbing was discovered.With NAUKA, also ERA, the European Robotic Arm, was launched.In order to make room for NAUKA, the PIRS module was undocked on 2021 July 26 near 10:56 UT, and deorbitted (using Progress MS-16 as a 'tug') into the southern Pacific Ocean on July 26 near 14:42-14:52 UT:click map to enlargeSoon after launch, it became apparent that NAUKA was in trouble. There was an initial telemetry problem, and (very worryingly) the main engines didn't work. Russian flightcontrol eventually used the auxilliary engines to raise the module's orbit.click diagram to enlargeFor European observers, the first few nights after launch offered good sighting opportunities for the free-flying NAUKA (2021-066A), it's Proton-M 3rd stage (2021-066B), and the ISS, the three on ...

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