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Results tagged with station-keeping
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user 26
Operations done to keep a spacecraft in a particular orbit. Generally done by by thruster burns. In LEO this must be done to counteract the momentum loss to atmospheric drag. In other orbits it may be needed to maintain a planned relative position over a long period of time.
10
votes
1
answer
147
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Are there propellant-less ways to balance at an unstable orbital point?
A station situated somewhere like EML-2 is really at an unstable point. I've heard of crafts using rocket firing to maintain that position in response to small deviations. Could you do this without …
- 16.4k
21
votes
1
answer
5k
views
Why does NASA intentionally spin space probes?
In several NASA animations of missions, I've noticed that the spacecraft is rotating while traveling in deep space. This was true of Curiosity when that video came out. Now the Juno mission demonstr …
- 16.4k
12
votes
1
answer
265
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Are there any proposals to vacuum up gases in orbit for use as propellant?
Space stations like the ISS orbit at an elevation that puts them squarely in the Thermosphere, and while this has extremely rarefied gas (which is probably more accurately a plasma at many times), it …
- 16.4k