Reference frames are used to transform position and orientation of bodies into the global reference frame of Cosmonium.

Ecliptic reference plane at J2000.0 epoch. The frame center is the parent of the body.

• type : J2000Ecliptic

Earth equatorial reference plane at J2000.0 epoch. The frame center is the parent of the body.

• type : J2000Equatorial

Mean equatorial reference frame of the parent of the body.

• type : mean-equatorial

Synchronous reference frame of the parent of the body.

• type : fixed

Fixed reference frame located on the surface of the parent of the body.

• type : surface
• long : Longitude on the surface
• long-units : Units of the longitude parameters, optional, default is Deg
• lat : Latitude on the surface
• lat-units : Units of the latitude parameters, optional, default is Deg