Osculating orbit
orbital perturbations
The osculating orbit of an astronomical object is the gravitational Kepler orbit.
![](http://up.wiki.x.io/wikipedia/commons/thumb/d/dc/Enckes_method-vector.svg/220px-Enckes_method-vector.svg.png)
This is the normal orbit it would have around a body, supposing it were not perturbed (disturbed) by a third body.[1]
References
change- ↑ Moulton, Forest R. 1970. [1902] Introduction to Celestial Mechanics (2nd revised ed). Mineola, New York: Dover. p322–323.