Planetary Facts (click a Planet for additional information)
|
| Red indicates largest value - Gold indicates smallest value |
| |
Mercury |
Venus |
Earth |
Moon |
Mars |
Jupiter |
Saturn |
Uranus |
Neptune |
Pluto |
| Mass (1021tons) |
0.364 |
5.37 |
6.58 |
0.081 |
0.708 |
2,093 |
627 |
95.7 |
113 |
0.0138 |
| Diameter (miles) |
3,032 |
7,521 |
7,926 |
2,159 |
4,222 |
88,846 |
74,897 |
31,763 |
30,775 |
1,485 |
| Density (lbs/ft3) |
339 |
327 |
344 |
209 |
246 |
83 |
43 |
79 |
102 |
110 |
| Gravity (ft/s2) |
12.1 |
29.1 |
32.1 |
5.3 |
12.1 |
75.9 |
29.4 |
28.5 |
36 |
1.9 |
| Escape Velocity (miles/s) |
2.7 |
6.4 |
7 |
1.5 |
3.1 |
37 |
22.1 |
13.2 |
14.6 |
0.7 |
| Rotation Period (hours) |
1,407.6 |
-5,832.5 |
23.9 |
655.7 |
24.6 |
9.9 |
10.7 |
-17.2 |
16.1 |
-153.3 |
| Length of Day (hours) |
4,222.6 |
2,802 |
24 |
708.7 |
24.7 |
9.9 |
10.7 |
17.2 |
16.1 |
153.3 |
| Distance from Sun (106 miles) |
36 |
67.2 |
93 |
93 |
141.6 |
483.8 |
890.8 |
1,784.8 |
2,793.1 |
3,647.2 |
| Perihelion (106 miles) |
28.6 |
66.8 |
91.4 |
91.4 |
128.4 |
460.1 |
840.4 |
1,703.4 |
2,761.6 |
2,755.8 |
| Aphelion (106 miles) |
43.4 |
67.7 |
94.5 |
94.5 |
154.9 |
507.4 |
941.1 |
1,866.4 |
2,824.5 |
4,538.7 |
| Orbital Period (days) |
88 |
224.7 |
365.2 |
655.7 |
687 |
4,331 |
10,747 |
30,589 |
59,800 |
90,588 |
| Orbital Velocity (miles/s) |
29.7 |
21.8 |
18.5 |
0.64 |
15 |
8.1 |
6 |
4.2 |
3.4 |
2.9 |
| Orbital Inclination (degrees) |
7 |
3.4 |
0 |
5.1 |
1.9 |
1.3 |
2.5 |
0.8 |
1.8 |
17.2 |
| Orbital Eccentricity |
0.205 |
0.007 |
0.017 |
0.055 |
0.094 |
0.049 |
0.057 |
0.046 |
0.011 |
0.244 |
| Axial Tilt (degrees) |
0.01 |
177.4 |
23.5 |
6.7 |
25.2 |
3.1 |
26.7 |
97.8 |
28.3 |
122.5 |
| Mean Temperature (F) |
333 |
867 |
59 |
-4 |
-85 |
-166 |
-220 |
-320 |
-330 |
-375 |
| Surface Pressure (atmospheres) |
0 |
91 |
1 |
0 |
0.01 |
Unknown |
Unknown |
Unknown |
Unknown |
0 |
| Global Magnetic Field? |
Yes |
No |
Yes |
No |
No |
Yes |
Yes |
Yes |
Yes |
Unknown |