Decrease font size Increase font size Print this page Français

Encyclopedia > Numbers about the solar system III

Masses of celestial bodies
and corresponding gravitational constants




  
Planets, 
planetary systems 
and minor planets

(solar mass)

(1024 kg)
Gm 
(m3 s-2)
Volumic 
mass 
(103 kg/m3
Temperature 
at surface 
mean (K) 
Bond 
albedo 
Geometric 
albedo
 
 Sun 
 
1 1 988 900 1.327 124 40 × 1020 1.4
 
 Mercury 
 
1.660 137 × 10-7 0.330 18 2.203 208 × 1013 5.4 620 0.056 0.11
 
 Venus 
 
2.447 8383 × 10-6 4.8685 3.248 5860 × 1014 5.2 750 0.72 0.65
 
 Earth-Moon system 
Earth
 
3.040 4326 × 10-6
3.003 4896 × 10-6
6.0471
5.9736
4.035 0324 × 1014
3.986 0044 × 1014

5.5

295

0.39 

0.367
 
 Mars  
 
3.227 1514 × 10-7 0.641 85 4.282 8314 × 1013 3.9 250 0.16 0.15
 
 System of Jupiter 
Jupiter 
 
9.547 9193 × 10-4
9.545 9429 × 10-4
1 899.0
1 898.6
1.267 127 67 × 1017
1.266 865 37 × 1017

1.2

170

0.70

0.52
 
 System of Saturn 
Saturn 
 
2.858 8601 × 10-4
2.858 15 × 10-4
568.60
568.46
3.794 063 00 × 1016
3.793 12 × 1016

0.6

135

0.75

0.47
 
 System of Uranus 
Uranus 
 
4.366 2437 × 10-5
4.365 785 × 10-5
86.840
86.831
5.794 548 60 × 1015
5.793 9393 × 1015

1.2

80

0.90

0.51
 
 System of Neptune 
Neptune 
 
5.151 39 × 10-5
5.150 314 × 10-5
102.46
102.43
6.836 54 × 1015
6.835 107 × 1015

1.6

50

0.82

0.41
 
 Pluto-Charon system 
Pluto 
 
7.200 × 10-9
6.225 × 10-9
0.014 32
0.012 38
9.555 × 1011
8.261 × 1011

1.7

0.145 
0.3 
 
 Ceres 
 
5.0 × 10-10 0.000 99 6.6 × 1010
 
 Pallas 
 
1.25 × 10-10 0.000 25 1.7 × 1010
 
 Vesta 
 
1.43 × 10-10 0.000 28 1.9 × 1010
 
 Iris 
 
5.4 × 10-12 0.000 011 7.2 × 108
 
 Metis 
 
2.5 × 10-12 0.000 005 3.3 × 108
 
 Hygiea 
 
4.7 × 10-11 0.000 093 6.2 × 109
 
 Bamberga 
 
8.8 × 10-12 0.000 018 1.2 × 109
Credit : IMCCE