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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
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
3,822,996 km3
62,525,703,987,421 km3
4,945,605,829,220,740,000 kg
102,410,000,000,000,000,000,000,000 kg
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
Orbit Period (Length of Year)
0.001519507 sidereal years
164.79132 sidereal years
Mean Orbit Velocity
34,693.4 km/h
19,566 km/h
Orbit Eccentricity
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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System of measurement:

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Last Updated: 28 Apr 2014