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Solar System Exploration
Sinope: Facts & Figures
   Back to Jupiter   Overview   Facts & Figures   News 
Discovered By
Seth Barnes Nicholson
Date of Discovery
21 July 1914
Orbit Size Around Jupiter (semi-major axis)
Metric: 23,939,000 km
English: 14,875,005 miles
Scientific Notation: 2.3939x107 km (1.6002x10-1 A.U.)
By Comparison: 0.16002
Periapsis (closest)
Metric: 17,966,220 km
Apoapsis (farthest)
Metric: 29,911,781 km
Sidereal Orbit Period (Length of Year)
2.077754962 Earth years
758.9 Earth days
By Comparison: Retrograde orbit
Orbit Circumference
Metric: 148,044,303.08 km
Average Orbit Velocity
Metric: 8,128.2 km/h
Orbit Eccentricity
Orbit Inclination
Mean Radius
Metric: 19.0 (assuming an albedo of 0.04) km
English: 11.8 miles
Equatorial Circumference
Metric: 119.4 km
Metric: 28,731 km3
Metric: 74,933,421,654,859,700 kg
Scientific Notation: 7.4933x1016 kg
Metric: 2.6 g/cm3
Surface Area
Metric: 4,536.46 km2
Surface Gravity
Metric: 0.014 m/s2
Escape Velocity
Metric: 83 km/h
English: 51 mph
Scientific Notation: 23 m/s

Additional Information:

-USGS Astrogeology: Gazetteer of Planetary Nomenclature:

-JPL Solar System Dynamics:

-Solar System Moons: Discovery and Mythology by J├╝rgen Blunck; Springer-Verlag Berlin Heidelberg 2010

-Encyclopedia of the Solar System, second edition; edited by Lucy-Ann McFadden, Paul R. Weissman, and Torrence V. Johnson; Academic Press 2007

-Ellis Miner
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Last Updated: 25 Apr 2012