Celestial     calendar

Satellite of Pluto

(Orbital, physical and photometric data)


Name

Orbital Period

Semimajor Axis1

Mass

Radius

Magnitude2

d

´103 km

1/Planet

km

m

I  Charon

6.39

19.6

0.116

595

+18.0

 

Main Astronomical Observatory

 

1 Half the length of the major axis of the ellipse; a standard element used to describe an elliptical orbit.

2 This is the mean opposition magnitude of the satellite.