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Planetary Data Table
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
Perihelion
Distance (AUs)
.307
.718
.983
1.382
4.950
9.040
18.324
29.709
29.646
Mass
(Earth = 1)
.0553
.815
1
.107
317.8
95.2
14.5
17.1
.0021
Rotational
Period
58.647 days
-243 days
23 h 56 m
24 h 37 m
9 hr 50 min
10 hr 15 min
-17 hours
16 hours
-6.39 days
Atmosphere
(Earth = 1)
"none"
100
1
.01
Very Large
Very Large
Very Large
Very Large
"none"
Aphelion
Semi-Major
Distance (AUs) Axis (AUs)
.467
0.387
.728
0.723
1.017
1.000
1.666
1.524
5.458
5.204
10.124
9.582
20.078
19.201
30.385
30.047
48.826
39.236
Diameter
Volume
(Earth = 1)
(Earth = 1)
.0562
.383
.857
.949
1
1
.151
.533
1321
11.2
764
9.45
63.1
4.01
57.7
3.88
.0066
.187
Day
Rotational
Tilt (degrees)
175.94 days
0
-117 days
177 (-3)
24 h 0 m
23.5
24 h 39 m
24
9 hr 50 min
3
10 hr 15 min
27
-17 hours
98 (-82)
16 hours
29
-6.39 days
118 (-62)
Composition of Atmosphere
Semi-Major
Orbital
Orbital
Inclination
Axis (AUs) Eccentricity Period
(degrees)
7
0.4
0.207
87.97 days
3
0.7
0.007
224.7 days
0
1
0.017
365.26 days
2
1.5
0.093
687 days
1
5
0.05
11.9 years
2
10
0.056
29.5 years
1
20
0.05
84 years
2
30
0.01
164.8 years
17
40
0.25
247.7 years
Density
Density
Gravity Escape Velocity
(Earth = 1) (Water = 1) (Earth = 1)
(Earth = 1)
.984
.38
5.43
.38
.95
.93
5.24
.9
1
1
5.52
1
.71
.45
3.9
.38
.24
5.3
1.3
2.5
.13
3.2
.7
1.1
.23
1.9
1.2
.9
.3
2.1
1.6
1.1
.32
.1
1.8
.06
Rotational
Surface Temperatures
Notes
(Fahrenheit degrees)
locked to Sun
+600 to +800 daytime, -300 nighttime
retrograde
+850 to +890
+.001s/d/100 y
+40 to +90 day, a little less at night
+80 to -210, -70 average
(at Equator)
-250 cloudtops, warmer below
(at Equator)
-300 at 1 bar depth, warmer below
retrograde
-350 clouds
-370 clouds
locked to moon
-370 perihelion, -410 aphelion
Magnetic Field
Internal Structure and Composition
(Earth = 1)
solar wind, impacts, outgassing
.01
rocky mantle, large metal core
96% CO2, 4% nitrogen
none
rocky mantle, average metal core
80% nitrogen, 20% oxygen
1
rocky mantle, average metal core
95% CO2, 3% nitrogen
.001
rocky mantle, small metal core
90% hydrogen, 10% helium
14
liquid hydrogen and helium
90% hydrogen, 10% helium
.7
liquid hydrogen and helium
90% hydrogen, 10% helium
.7
liquid hydrogen and helium, water
90% hydrogen, 10% helium
.4
water, liquid hydrogen and helium
temporary nitrogen, methane
none?
dirty ice, rock