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Astronomy
These were found on a NASA web site. The following chart shows several interesting
measurements between solar bodies.
| |
MERCURY |
VENUS |
EARTH |
MOON |
MARS |
JUPITER |
SATURN |
URANUS |
NEPTUNE |
PLUTO |
| Mass (1024kg) |
0.330 |
4.87 |
5.97 |
0.073 |
0.642 |
1899 |
568 |
86.8 |
102 |
0.0125 |
| Diameter (km) |
4879 |
12,104 |
12,756 |
3475 |
6794 |
142,984 |
120,536 |
51,118 |
49,528 |
2390 |
| Density (kg/m3) |
5427 |
5243 |
5515 |
3340 |
3933 |
1326 |
687 |
1270 |
1638 |
1750 |
| Gravity (m/s2) |
3.7 |
8.9 |
9.8 |
1.6 |
3.7 |
23.1 |
9.0 |
8.7 |
11.0 |
0.6 |
| Escape Velocity (km/s) |
4.3 |
10.4 |
11.2 |
2.4 |
5.0 |
59.5 |
35.5 |
21.3 |
23.5 |
1.1 |
| Rotation Period (hours) |
1407.6 |
-5832.5 |
23.9 |
655.7 |
24.6 |
9.9 |
10.7 |
-17.2 |
16.1 |
-153.3 |
| Length of Day (hours) |
4222.6 |
2802.0 |
24.0 |
708.7 |
24.7 |
9.9 |
10.7 |
17.2 |
16.1 |
153.3 |
| Distance from Sun (106 km) |
57.9 |
108.2 |
149.6 |
0.384* |
227.9 |
778.6 |
1433.5 |
2872.5 |
4495.1 |
5870.0 |
| Perihelion (106 km) |
46.0 |
107.5 |
147.1 |
0.363* |
206.6 |
740.5 |
1352.6 |
2741.3 |
4444.5 |
4435.0 |
| Aphelion (106 km) |
69.8 |
108.9 |
152.1 |
0.406* |
249.2 |
816.6 |
1514.5 |
3003.6 |
4545.7 |
7304.3 |
| Orbital Period (days) |
88.0 |
224.7 |
365.2 |
27.3 |
687.0 |
4331 |
10,747 |
30,589 |
59,800 |
90,588 |
| Orbital Velocity (km/s) |
47.9 |
35.0 |
29.8 |
1.0 |
24.1 |
13.1 |
9.7 |
6.8 |
5.4 |
4.7 |
| Orbital Inclination (degrees) |
7.0 |
3.4 |
0.0 |
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 (C) |
167 |
464 |
15 |
-20 |
-65 |
-110 |
-140 |
-195 |
-200 |
-225 |
| Surface Pressure (bars) |
0 |
92 |
1 |
0 |
0.01 |
Unknown* |
Unknown* |
Unknown* |
Unknown* |
0 |
| Number of Moons |
0 |
0 |
1 |
0 |
2 |
63 |
33 |
27 |
13 |
1 |
| Ring System? |
No |
No |
No |
No |
No |
Yes |
Yes |
Yes |
Yes |
No |
| Global Magnetic Field? |
Yes |
No |
Yes |
No |
No |
Yes |
Yes |
Yes |
Yes |
Unknown |
| |
MERCURY |
VENUS |
EARTH |
MOON |
MARS |
JUPITER |
SATURN |
URANUS |
NEPTUNE |
PLUTO |
Here are the same measurements as comparisons to earth values.
| |
MERCURY |
VENUS |
EARTH |
MOON |
MARS |
JUPITER |
SATURN |
URANUS |
NEPTUNE |
PLUTO |
| Mass |
0.0553 |
0.815 |
1 |
0.0123 |
0.107 |
317.8 |
95.2 |
14.5 |
17.1 |
0.0021 |
| Diameter |
0.383 |
0.949 |
1 |
0.2724 |
0.533 |
11.21 |
9.45 |
4.01 |
3.88 |
0.187 |
| Density |
0.984 |
0.951 |
1 |
0.605 |
0.713 |
0.240 |
0.125 |
0.230 |
0.297 |
0.317 |
| Gravity |
0.378 |
0.907 |
1 |
0.166 |
0.377 |
2.36 |
0.916 |
0.889 |
1.12 |
0.059 |
| Escape Velocity |
0.384 |
0.926 |
1 |
0.213 |
0.450 |
5.32 |
3.17 |
1.90 |
2.10 |
0.098 |
| Rotation Period |
58.8 |
-244 |
1 |
27.4 |
1.03 |
0.415 |
0.445 |
-0.720 |
0.673 |
6.41 |
| Length of Day |
175.9 |
116.8 |
1 |
29.5 |
1.03 |
0.414 |
0.444 |
0.718 |
0.671 |
6.39 |
| Distance from Sun |
0.387 |
0.723 |
1 |
0.00257* |
1.52 |
5.20 |
9.58 |
19.20 |
30.05 |
39.24 |
| Perihelion |
0.313 |
0.731 |
1 |
0.00247* |
1.41 |
5.03 |
9.20 |
18.64 |
30.22 |
30.15 |
| Aphelion |
0.459 |
0.716 |
1 |
0.00267* |
1.64 |
5.37 |
9.96 |
19.75 |
29.89 |
48.02 |
| Orbital Period |
0.241 |
0.615 |
1 |
0.0748 |
1.88 |
11.9 |
29.4 |
83.7 |
163.7 |
248.0 |
| Orbital Velocity |
1.61 |
1.18 |
1 |
0.0344 |
0.810 |
0.439 |
0.325 |
0.229 |
0.182 |
0.158 |
| Orbital Eccentricity |
12.3 |
0.401 |
1 |
3.29 |
5.60 |
2.93 |
3.38 |
2.74 |
0.677 |
14.6 |
| Axial Tilt |
0.0004 |
0.113* |
1 |
0.285 |
1.07 |
0.133 |
1.14 |
4.17* |
1.21 |
2.45* |
| Surface Pressure |
0 |
92 |
1 |
0 |
0.01 |
Unknown* |
Unknown* |
Unknown* |
Unknown* |
0 |
| Number of Moons |
0 |
0 |
1 |
0 |
2 |
63 |
33 |
27 |
13 |
1 |
| Ring System? |
No |
No |
No |
No |
No |
Yes |
Yes |
Yes |
Yes |
No |
| Global Magnetic Field? |
Yes |
No |
Yes |
No |
No |
Yes |
Yes |
Yes |
Yes |
Unknown |
| |
MERCURY |
VENUS |
EARTH |
MOON |
MARS |
JUPITER |
SATURN |
URANUS |
NEPTUNE |
PLUTO |
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