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The time rate of change of the position of an object

1 vote
1 answer
219 views

determining orbit parameters (eccentricity, length and angle of major axis)

I'm trying to make an orbit simulator, and I want to draw the orbit of a satellite given its position and velocity vectors in a 2-D plane. …
Jason S's user avatar
  • 405
3 votes

determining orbit parameters (eccentricity, length and angle of major axis)

ah, I found it -- what I really want to calculate is the eccentricity vector. This lecture notes also helped. I just tried implementing it in Javascript and it worked correctly on the first try! :- …
Jason S's user avatar
  • 405