I’m working on a orbital simulator with using physics. But i got some problems.
In free fall motion， mechanical energy E = Ep + Ek. and Ep=mgh ,Ek=mv^21/2
The value E should be consistent until it hit ground. But…
The value getting smaller and smaller.
In general, it is not a big deal，but in orbit system any small deviation will make huge mistake.
I’m pretty sure that linear damping has be set to 0.
Could you Help me solve this problem ？
Thanks a lot