Comparison: Proteus vs. Neptune
This chart shows the differences between Proteus and Neptune.
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 |
|
|
|
S. Synnott, Voyager 2 |
Johann Galle |
|
1989 |
1846 |
|
117,650 km |
4,498,252,900 km |
|
218 x 208 x 201 km |
24,764 km |
|
800,000,000,000,000,000 kg |
102,440,000,000,000,000,000,000,000 kg |
|
0.0004 |
.00859 |
|
0.55 degree |
1.769 degrees |
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