Apsis of the orbits
Inner orbits of solar system
|Automatic translation||Updated June 01, 2013|
Apsis, in astronomy, means the two extreme points of the orbit of a celestial object.
Orbits outside the solar system
Image: Terminology of apsis. The name of these points, the closest and farthest from the central object, are the specific name of the central object (Greek root name of the celestial object).