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Author Topic: Help with unstable orbits  (Read 2056 times)

Plasmic Physics

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Help with unstable orbits
« on: April 29, 2016, 04:02:09 AM »
In terraforming Mars, I'm trying to dampen the precession of obliquity (which is not simulated by USB), by using Ceres as a stabiliser in a similar way as the Moon does for Earth. However, whenever I select the parameters of Ceres' motion, it keeps getting ejected from orbit around Mars. Why does this happen, even though the orbit velocity is determined by the auto-orbit function? Or more generally, why does this sometimes happen for instances where the main body is in motion?

Pizzaeater1K

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Re: Help with unstable orbits
« Reply #1 on: April 29, 2016, 03:47:27 PM »
Pause it when you are selecting the parameters.

Plasmic Physics

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Re: Help with unstable orbits
« Reply #2 on: April 29, 2016, 09:26:03 PM »
I did, it had no effect.

Cryo

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Re: Help with unstable orbits
« Reply #3 on: April 29, 2016, 09:27:56 PM »
How close and how fast or far is Ceres from mars? that may be whats going on

Plasmic Physics

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Re: Help with unstable orbits
« Reply #4 on: April 30, 2016, 03:57:36 AM »
The semi-major axis is 43504 km, the total relative velocity is 993 m/s.