Planetary Data
|
Planet |
AU |
Orbital Period Sid / Syn |
i (degrees) |
e |
Rotation Period |
Axial Tilt (degrees) |
|
Mercury |
0.39 |
88 d / 115.9 d |
7.0 |
0.21 |
58.7 d |
0.0 |
|
Venus |
0.72 |
225 d / 583.9 d |
3.4 |
0.01 |
243 d |
178 |
|
Earth |
1.00 |
365 d / --- |
0.0 |
0.02 |
23.9 h |
23.5 |
|
Mars |
1.52 |
687 d / 779.9 d |
1.9 |
0.09 |
24.6 h |
24.0 |
|
Jupiter |
5.20 |
11.9 y / 398.9 d |
1.3 |
0.05 |
9.9 h |
3.1 |
|
Saturn |
9.54 |
29.5 y / 378.1 d |
2.5 |
0.06 |
10.7 h |
27 |
|
Uranus |
19.2 |
84.0 y / 369.7 d |
0.8 |
0.05 |
17.2 h |
97.9 |
|
Neptune |
30.1 |
165 y / 367.5 d |
1.8 |
0.01 |
16.1 h |
28.8 |
|
Pluto |
39.4 |
248 y / 366.7 d |
17.2 |
0.25 |
6.4d |
118 ? |
|
Planet |
Mass (earth =1) |
Radius (earth = 1) |
Average Density (gm / cm³) |
Surface Gravity |
Number of Rings |
Number of Satellites |
|
Mercury |
0.054 |
0.38 |
5.4 |
0.39 |
0 |
0 |
|
Venus |
0.82 |
0.95 |
5.3 |
0.91 |
0 |
0 |
|
Earth |
1 |
1 |
5.5 |
1 |
0 |
1 |
|
Mars |
0.11 |
0.53 |
3.9 |
0.38 |
0 |
2 |
|
Jupiter |
318 |
11.3 |
1.3 |
2.54 |
1 |
16+ |
|
Saturn |
95.1 |
9.44 |
0.7 |
1.07 |
7 |
18+ |
|
Uranus |
14.5 |
4.10 |
1.3 |
0.87 |
11 |
15+ |
|
Neptune |
17.2 |
3.88 |
1.6 |
1.14 |
4 |
8+ |
|
Pluto |
0.0025 |
0.18 |
2.0 |
0.06 |
0 |
1 |
F = G x m1 x m2 / r² -
Newton's Universal Gravity
L = (mr²)w - Angular Momentum
P² = kA³ - Kepler's Third Law
G = 6.67 x 10 ^ -8 dyne cm²/gm²
(m1 + m2) P² = (4 pi² / G) a³ - Newton's derivation of Kepler's
Third Law
Inferior Planet: 1/S =
1/P - 1 or 1/P = 1 + 1/S
Superior Planet: 1/S = 1
- 1/P or 1/P = 1 - 1/S