Solar System gravity data

Here is some data about the surface gravity for the major planets of the solar system.

Name
mass

(kg)
Radius

(metres)
Density

(kg m-3)
Surface gravity, g

(Nkg-1)
Ratio of planet gravity to Earth gravity

(g/gE)
Sun
1.99 x 1030

Mercury
3.30 x 1023
2.44 x 106
5.42 x 103
3.70
0.4
Venus
4.87 x 1024
6.05 x 106
5.25 x 103
8.9
0.9
Earth
5.98 x 1024
6.37 x 106
5.51 x 103
9.8
1.0
Moon
7.35 x 1022
1.74 x 106
3.33 x 103
1.6
0.17
Mars
6.42 x 1023
3.39 x 106
3.93 x 103
3.73
0.4
Ceres
8.7 x 1020
4.73 x 105
1.96 x 103
0.3
0.03
Jupiter
1.90 x 1027
6.99 x 107
1.33 x 103
25.9
2.6
Saturn
5.69 x 1026
5.82 x 107
6.88 x 102
11.2
1.14
Uranus
8.69 x 1025
2.54 x 107
1.26 x 103
9.0
0.9
Neptune
1.02 x 1026
2.64 x 107
1.32 x 103
9.8
1.0
Pluto
1.32 x 1022
1.14 x 106
2.03 x 103
0.64
0.07

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Date Last Modified: April 2003

Emanuel School, London SW11 1HS, U.K.

All text and diagrams copyright of J.C.Naylor