Planet Neptune

Some Facts about The Neptunian Moon, Triton
courtesy of NASA

Discovered ByW. Lassell
Date of Discovery1846
Average Distance from Neptune354,760 km (metric)
Equatorial Radius1352 km (metric)
Mass21,400,000,000,000,000,000,000 kg (metric)
Orbit Period (Length of Year)-5.8768541 Earth days
Orbital Eccentricity0.000016
Orbital Inclination to Ecliptic157.345°
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