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Encyclopedia > Numbers about the solar system II
Parameters of the size and shape of the planets
(in kilometers)
| Planet |
Radius mean |
Radius equatorial |
Radius polar |
Mean deviation to spheroid |
Site the highest |
Site the deepest |
|---|---|---|---|---|---|---|
| Mercury |
2 439.7 ± 1.0 | idem | idem | 1 | 4.6 | 2.5 |
| Venus |
6 051.8 ± 1.0 | idem | idem | 1 | 11 | 2 |
| Earth |
6 371.00 ± 0.01 | 6 378.14 ± 0.01 | 6 356.75 ± 0.01 | 3.57 | 8.85 | 11.52 |
| Mars |
3 390 ± 4 | 3 397 ± 4 | 3 375 ± 4 | 3.1 | 27 | 6 |
| Jupiter (*) |
69 911 ± 6 | 71 492 ± 4 | 66 854 ± 10 | 62.1 | 31 | 102 |
| Saturn (*) |
58 232 ± 6 | 60 268 ± 4 | 54 364 ± 10 | 102.9 | 8 | 205 |
| Uranus (*) |
25 362 ± 7 | 25 559 ± 4 | 24 973 ± 20 | 16.8 | 28 | 0 |
| Neptune (*) |
24 622 ± 19 | 24 764 ± 15 | 24 341 ± 30 | 8 | 14 | 0 |
| Pluto |
1 195 ± 5 | idem | idem | - | - | - |
(*) The radii correspond to the surface where the atmospheric pressure is equal to 1 bar (105 Pa).