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Comparison Chart
Comparison: Laomedeia vs. Neptune

This chart shows the differences between Laomedeia 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
Matthew J. Holman, John J. Kavelaars, Tommy Grav, Wesley C. Fraser, and Dan Milisavljevic
Urbain Le Verrier, John Couch Adams, Johann Galle
Date of Discovery
13 August 2002
23 September 1846
Average Orbit Distance
23,567,000 km
4,498,396,441 km
Perihelion/Perigee (closest)
14,213,258 km
4,459,753,056 km
Aphelion/Apogee (farthest)
32,920,742 km
4,537,039,826 km
Equatorial Radius
21.0 (assuming an albedo of 0.04) km
24,622 km
Equatorial Circumference
131.9 km
154,704.6 km
Volume
38,792 km3
62,525,703,987,421 km3
Mass
89,920,105,985,831,600 kg
102,410,000,000,000,000,000,000,000 kg
Density
1.5 g/cm3
1.638 g/cm3
Surface Area
5,541.77 km2
7,618,272,763 km2
Equatorial Surface Gravity
0.014 m/s2
11.15 m/s2
Escape Velocity
86 km/h
84,816 km/h
Mean Orbit Velocity
1,866.5 km/h
19,566 km/h
Orbit Eccentricity
0.3969
0.00859048
Orbit Inclination to Ecliptic
37.874
1.77 degrees
Orbit Circumference
142,059,611.72 km
28,263,736,967 km

 

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Last Updated: 2 Apr 2014