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Results tagged with station-keeping
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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.
3
votes
How frequent are (or will be) JWST station keeping burns at L2?
They will be as frequent as needed.
The original 10 year lifetime was based on fuel that was reserved for orbital correction that wasn't needed for that post-rocket boost. Usually they have a 95% chan …
- 122k
19
votes
Accepted
Could JWST stay at L2 "forever"?
According to Wikipedia, the delta-v requirements to stay at L1 or L2 are about 30-100 m/s per year. That seems quite high, however, more likely is around 5-16 m/s. The sun shield has an area of about …
- 220
11
votes
How much "wobble" does a typical geostationary satellite experience?
Most geostationary satellites are kept within a very small margin, about 0.5 degrees. Wobbling happens due to a number of factors, including the Sun, Moon, and flattening of Earth at it's poles, cause …
- 122k