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Results tagged with navigation
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user 265
Topics that relate to orbit determination and flight path control. May also be used for navigation on the surface of celestial objects.
8
votes
Interplanetary ranging accuracy?
I might go look for some links, but just off hand Doppler velocity is good to less than 1 mm/s (in the line-of-sight dimension), can be as good as 0.1 mm/s, ranging is good to better than a meter (als …
- 58.4k
11
votes
How could one navigate on Mars?
If you can afford to get people to Mars, then you can easily afford a navigational satellite or two. Since you asked how it will be accomplished (as opposed to how it perhaps could be accomplished, w …
- 58.4k
5
votes
Accepted
What naturally occurring navigational information is available for an autonomous return of S...
Optical navigation would be more than sufficient. Images of the Moon and the Earth against key stars, a clock, and a computer is all you need. …
- 58.4k
8
votes
Could a swarm of probes autonomously establish orbit around an asteroid?
They can each do their own navigation independently using maps of the asteroid, and report their trajectories to each other just for the purposes of collision avoidance. (TCAS around the asteroid.) …
- 58.4k
18
votes
Can the satellites in Martian orbit be put to use providing a rudimentary GPS system on Mars?
So radio navigation from the orbiters is neither needed nor beneficial. …
- 58.4k
6
votes
Accepted
How is real position of probes orbiting other planets measured?
Here is a good tutorial on the navigation of deep space vehicles. …
- 58.4k
20
votes
How did NASA determine the distance and velocity of voyager 1?
Here is a good tutorial on the navigation of deep space vehicles. …
- 58.4k
6
votes
How dense are Saturn's rings?
No, you can't fly through the rings you can see without hitting lots and lots of dust-sized ice particles at high velocity. Your vehicle will not fare well. The ring material is not sparse in that s …
- 58.4k
11
votes
Accepted
Autonomous Navigation for deep space missions
Positions over time can be used to determine velocity, not just in the obvious way but more accurately than that using a model of the gravity field the spacecraft is moving in, dominated by the Sun fo …
- 58.4k
17
votes
Accepted
Accelerometer in space
Yes, a properly functioning accelerometer that is stationary relative to the surface of the Earth will read the acceleration due to gravity. If it's a very good accelerometer, you could also see the …
- 58.4k