Rotation
In astronomy, rotation was the turning of a celestial body around its axis. The length of one day was measured by the amount of time it took for a celestial body to complete a full rotation. ()

This was one of the physical characteristics listed in a celestial body's file. (; )

The time of rotation for both Draygo IV and Vacca VI was listed in their planetary files. ()

See also 
 Orbital revolution

External link 
 
Astronomy