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Comparison Chart
Comparison: Larissa vs. Neptune

This chart shows the differences between Larissa and Neptune. To change the planets/moons being compared, change one or more of the form fields at the bottom and click Refresh.

Discovered By
H. Reitsema, W. Hubbard, L. Lebofsky, D. Tholen
Urbain Le Verrier, John Couch Adams, Johann Galle
Date of Discovery
1982
23 September 1846
Average Orbit Distance
73,548 km
4,498,396,441 km
Perihelion/Perigee (closest)
73,445 km
4,459,753,056 km
Aphelion/Apogee (farthest)
73,651 km
4,537,039,826 km
Equatorial Radius
97.0 km
24,622 km
Equatorial Circumference
609.5 km
154,704.6 km
Volume
3,822,996 km3
62,525,703,987,421 km3
Mass
4,945,605,829,220,740,000 kg
102,410,000,000,000,000,000,000,000 kg
Density
1.3 g/cm3
1.638 g/cm3
Surface Area
118,236.98 km2
7,618,272,763 km2
Equatorial Surface Gravity
0.035 m/s2
11.15 m/s2
Escape Velocity
297 km/h
84,816 km/h
Mean Orbit Velocity
34,693.4 km/h
19,566 km/h
Orbit Eccentricity
0.0014
0.00859048
Orbit Inclination to Ecliptic
0.205 degree
1.77 degrees
Orbit Circumference
462,115.49 km
28,263,736,967 km

 

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Last Updated: 2 Apr 2014