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Results tagged with orbital-mechanics
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user 16978
Orbital mechanics (also called astrodynamics) is the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets and other spacecraft on an orbital or escape trajectory. For the movements of celestial bodies, use [celestial-mechanics], not this.
14
votes
Why are orbits around a black hole not elliptic?
What you are seeing "bent" around the black hole is light from the accretion disk the path of which is warped by traveling close to the black hole. We see a distorted view of what is "behind" the bla …
- 1,273
17
votes
If one Starship can transport 100 people to Mars, how many could it safely land near Mercury...
The delta-v to Mercury is 2.5x greater than to Mars; given the dry mass of Starship I doubt that it could land any payload at all without some heliocentric fuel depot, which would be quite tricky and …
- 1,273
3
votes
How could a satellite follow Earth around the Sun while staying outside of Earth's orbit?
You're on the right track looking up Lagrangian points, orbits where a small object can stay in the same relationship with two celestial bodies, one orbiting another. The one you are describing is th …
- 1,273