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Pluto: Moons: Charon: Facts & Figures
Discovered By
J. Christy
Date of Discovery
1978
Average Distance from Pluto
Metric:
19,600 km
Equatorial Radius
Metric:
593 km
Mass
Metric:
1,620,000,000,000,000,000,000 kg
Scientific Notation:
1.62 x 10
21
kg
Rotation Period (Length of Day)
6.4 Earth days
153.3 hours
By Comparison:
Synchronous with Pluto
Orbit Period (Length of Year)
6.38725 Earth days
Orbital Inclination to Ecliptic
96.16 degrees
1. Charon
2. Hydra
3. Nix
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Last Updated: 09.15.06
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