Questions tagged [deorbit]

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69
votes
4answers
30k views

Why does the ISS have to be destroyed?

ISS might be destroyed soon, de-orbiting for a controlled reentry into the Pacific Ocean. Why isn't simply pushed away from Earth to an outer stable orbit (not sure if it's possible) or even into an ...
19
votes
1answer
8k views

Why would extra fuel be needed to de-orbit the ISS (if it comes to that)?

The BBC article The Astronaut Fighting to Save our Home in Space discusses “experienced astronaut, and astrophysicist Dr Michael Foale”'s exciting career aboard the Space Shuttle, Soyuz, Mir, and ISS, ...
2
votes
1answer
442 views

Mayak, a magnitude -10 (minus ten) satellite; how is the large, delicate reflector expanded?

The July 14, 2017 NASA Spaceflight article Soyuz 2-1A launches with Kanopus-V-IK and over 70 satellites says: Mayak is a three-unit CubeSat which was built by Tvoii Sektor Kosmosa – or “Your Sector ...
15
votes
2answers
846 views

Two week mark; has Mayak (Маяк) been spotted yet? Reflector deployed? Astronomy “ruined”?

Deborah Byrd's article Have you seen the Mayak satellite? explains Mayak with a bit of humor: A team of young Russians – led by Moscow State Mechanical Engineering University (MAMI) – managed to ...
3
votes
3answers
304 views

Circular to elliptical orbit delta V requirements

this might be a dumb question, but i've been recently trying to calculate the delta V to deorbit a satellite, and I've run into a problem. Assuming a 400km circular starting orbit(and disregarding ...
1
vote
0answers
153 views

Would Mayak's large solar reflector have produced a stable attitude, or more likely start tumbling or rotating?

update: Answers to Two week mark; has Mayak (Маяк) been spotted yet? Reflector deployed? Astronomy “ruined”? indicate that the reflector did not deploy successfully (more at Mayak, a magnitude -10 (...
3
votes
1answer
105 views

What fraction of Terminator Tape™'s drag comes from interaction with Earth's magnetic field as a function of altitude? Is it ever important?

This answer states that Terminator Tape™ uses the Earth's magnetic field to generate drag to shorten the deorbit time of a spacecraft in LEO. It links to https://sst-soa.arc.nasa.gov/12-passive-...
3
votes
1answer
162 views

Why is “Terminator Tape” electrically conductive?

A 230 foot long tape deployed from the satellite Prox-1 greatly reduced how long it took to deorbit. The tape was described as electrically conductive. Was that property intended to help the ...