Osculatin orbit

Osculatin orbit (inner, black) an perturbed orbit (reid)

In astronomy, an in pairteecular in astrodynamics, the osculatin orbit o an object in space at a gien moment in time is the gravitational Kepler orbit (i.e. ellipse or ither conic) that it wad hae aboot its central bouk if perturbations war nae present.[1]


  1. Moulton, Forest R. (1970) [1902]. Introduction to Celestial Mechanics (2nd revised ed.). Mineola, NY: Dover. ISBN 0486646874, at pp.322-3.