Linked Questions

5
votes
4answers
1k views

Orbital Railgun for launching deep space probes

I've perused some of the articles and questions on magnetic acceleration using rail guns and they all seem to say that it's possible just not practical. I wanted to know what are the drawbacks to ...
4
votes
2answers
414 views

How much G force is applied when correcting an orbit around Earth?

How much g force is applied to a satellite to correct a decaying orbit if done each orbit? How long does it take to correct an orbit on the average? I understand there are variables as in which orbit ...
3
votes
2answers
1k views

How are old satellites removed from orbit? [duplicate]

Once the satellite is nonfunctional how are they removed from orbit?
3
votes
1answer
308 views

If I were to make an orbit-capable space gun, what legal issues could I expect to encounter?

Sorry if this is a little broad and hypothetical or too legal. Say I (as a company) (hypothetically) was to build a space gun, reasonably similar to the 7-incher here in Canada, but with a second ...
3
votes
0answers
87 views

How would propagation differ between a GEO and a Retrograde GEO?

A Binary Equatorial Synchronous Retrograde Orbit is an orbit that would travel in the opposite direction of GEO and would pass over the same point on Earth twice per day at the same altitude of GEO. ...
2
votes
2answers
596 views

Parallel orbits around the Earth - effectively?

edit: For the purposes of this exercise, one could consider using three or four identical spacecraft, and using the "best two out of three (or four)" for interferometry at any given moment. In 1994, ...
1
vote
1answer
99 views

Which orbit around Earth has the least perturbation?

Which orbit around Earth would have the least amount of perturbation from the moon, Sun etc.? Does an orbit exist where in either direction of travel that the perturbation would be the same? The ...
1
vote
0answers
197 views

Orbit to Orbit Transport Stage

Would it be faster or cheaper to have a lander, SSTO, and/or SpaceX Mars rocket to rendezvous connect with a more efficient engine or "transport stage" or another lander, SSTO? When the spacecraft ...
1
vote
0answers
121 views

How presise could 2 satellites “thread the needle” in orbit?

I have a question about using a magnetic field to propel 2 satellites off each other while traveling in opposite directions on the same orbital plain to intersect either 2:1 or 1:1 on each orbit ...
0
votes
1answer
208 views

Optimal time and coordinates of intersection of a spacecraft with an object on orbit

Spacecraft and an object are rotating on orbit. The spacecraft is controlled via the velocity vector change, may change its velocity to intersect another object. Needed to find the time and ...
-4
votes
2answers
130 views

Can bad satellites be pulled out of orbit with an Orbital Mass Accelerator? [closed]

Could an Orbital Mass Accelerator OMA be used to knock other satellites out of orbit? Leaping from satellite to satellite using a magnetic field to accelerate some useless satellites and decelerate ...