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Questions tagged [capture]

questions about the process of capturing a spacecraft into orbit around a planet or moon.

2
votes
0answers
29 views

How to estimate the pose of a dynamic cooperative and known object in space e.g in case of space debris? [closed]

I would like to know some novel approach, method or algorithm. The main purpose of pose estimation is to deal with the robotic capture in space
5
votes
0answers
134 views

Has lithocapture ever been seriously considered as a method of entering orbit around a planet or moon that lacks any atmosphere?

What I mean by lithocapture is an orbital transfer maneuver used to reduce the velocity of a spacecraft from a hyperbolic trajectory to an elliptical orbit around the targeted celestial body where the ...
1
vote
1answer
316 views

Why are most of Jupiter's moons retrograde?

Jupiter's small moons are likely captured objects. I would've expected half of them to be captured in retrograde orbit, between 90 and 180 degrees inclination. But out of 65 lesser satellites, only 11 ...
5
votes
3answers
190 views

Calculating low-thrust capture delta-V with high $V_{inf}$

I'm designing a CubeSat mission to the Martian moons, and am having trouble calculating capture delta-V. Once it gets into a circular orbit, I can do the rest, but the capture itself is giving me ...
3
votes
3answers
849 views

Why does a gravity capture require a loss of velocity?

I've read a gravity capture of an object requires the captured object to lose velocity by some means (impact, third body tidal force, etc). Is there not a possible encounter that happens at a low ...