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distances in millions of km, except where noted.
|
Mercury |
Venus |
Earth |
Moon |
Mars |
Asteroids |
Jupiter |
Saturn |
Uranus |
Neptune |
Pluto |
|
Max Distance from Sun
|
69.7 |
109.0 |
152.2 |
|
249.1 |
|
815.7 |
1,507 |
3,004 |
4,537 |
7,375 |
|
Min Distance from Sun
|
45.9 |
107.4 |
147.1 |
|
206.7 |
|
740.9 |
1,347 |
2,735 |
4,456 |
4,425 |
|
Mean Distance from Sun
|
57.9 |
108.2 |
149.6 |
384,400 km1 |
227.9 |
|
778.3 |
1,427 |
2,869.6 |
4,496.6 |
5,900 |
|
Semi-major Axis of Orbit, AU
|
0.387 |
0.723 |
1.0 |
1.0 |
1.524 |
~2.8 |
5.2013 |
9.538 |
19.18 |
30.06 |
39.52 |
|
Orbit Eccentricity
|
0.2056 |
0.0068 |
0.0167 |
|
0.0934 |
|
0.0485 |
0.056 |
0.0472 |
0.0086 |
0.25 |
|
Orbit Inclination to Ecliptic, degrees
|
7.0 |
3.39 |
0.0 |
|
1.85 |
|
1.3 |
2.49 |
0.77 |
1.77 |
17.2 |
|
Sidereal Period of Revolution
|
88d |
224.7d |
365.26d |
27.322d2 |
687d |
|
11.86y |
29.46y |
84.01y |
164.8y |
247.7y |
|
Sidereal Rotation Period, days
|
59.0 |
-243.02 |
0.9972697 |
27.322 |
1.026 |
|
0.413 |
0.444 |
0.718 |
0.671 |
-6.4 |
|
Orbital Velocity, km/s
|
47.9 |
35.0 |
29.8 |
29.8 |
24.1 |
|
13.1 |
9.6 |
6.8 |
5.4 |
4.7 |
|
Inclination of Axis, Degrees
|
2 |
177.3 |
23.45 |
6.68 |
25.2 |
|
3.1 |
26.7 |
97.9 |
30.2 |
117.6 |
|
Equatorial Radius, km
|
2440 |
6057 |
6378 |
1738 |
3393 |
|
71,398 |
60330 |
26071 |
24764 |
1150 |
|
Mass, Earth = 1
|
0.05528 |
0.815 |
1.0 |
0.0123 |
0.1074468 |
|
317.89 |
95.18 |
14.54 |
17.15 |
0.0022 |
|
Density, kg/m3
|
5430 |
5245 |
5515 |
3341 |
3935 |
3,7003 |
1327 |
688 |
1272 |
1640 |
2080 |
|
Zero-pressure Density, kg/m3
|
5280 |
3990 |
4060 |
3315 |
3730 |
3,7003 |
|
|
|
|
2070 |
|
Oblateness4
|
0.0 |
0.0 |
0.003353 |
0.002 |
0.0074
0.0051? |
|
0.065 |
0.098 |
0.024 |
0.022 |
? |
|
Moment of Inertia [/mr2]
|
|
|
0.3307 |
0.391 |
0.365 |
|
|
|
|
|
|
|
Atmosphere, Main Components
|
none |
CO2, N2 |
N2, O2, Ar |
none |
CO2,N2, Ar |
|
H2, He |
H2, He |
H2, He, CH4 |
H2, He, CH4 |
N2, CH4, CO |
|
Mean Surface Temp, oC, Visible Surface [sSolid, cClouds]
|
167, 350 days 170 nites |
-33c
457s
|
14s |
|
-55s |
|
-150c |
-180c |
-210c |
-220c |
-230? |
|
Atmos. Press., Surface, millibars
|
10-9 |
90,000 |
1,000 |
|
6.0 |
|
|
|
|
|
|
|
Surface Grav, Earth = 1
|
0.37 |
0.88 |
1.0 |
|
0.38 |
|
2.64 |
1.15 |
0.9 |
1.18 |
0.069 |
|
Mean Apparent Diam. of Sun as Seen from Planet
|
1o22'40" |
44'15" |
31'59" |
|
21' |
|
6'09" |
3'22" |
1'41" |
1'04" |
49" |
|
Known Satellites
|
0 |
0 |
1 |
|
2 |
|
67 |
62 |
27
|
14
|
5
|
|
Image
|
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1. Mean Distance from Earth
2. Period of Revolution About Earth
3. Average of Observed Falls
4. From Lowrie, Fundamentals Of Geophysics
|