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| Physical Data for the Major Planets |
| Major Planet |
Mean Diameter (km) |
Mean Diameter (Earth = 1) |
Mass (Earth = 1) |
Mean Density (g/cm
3 ) |
Rotation Period (d) |
Inclination of Equator to Orbit (°) |
Surface Gravity (Earth = 1[g]) |
Velocity of Escape (km/s) |
| Mercury |
4879 |
0.38 |
0.055 |
5.43 |
58. |
0.0 |
0.38 |
4.3 |
| Venus |
12,104 |
0.95 |
0.815 |
5.24 |
−243. |
177 |
0.90 |
10.4 |
| Earth |
12,756 |
1.00 |
1.00 |
5.51 |
1.000 |
23.4 |
1.00 |
11.2 |
| Mars |
6779 |
0.53 |
0.11 |
3.93 |
1.026 |
25.2 |
0.38 |
5.0 |
| Jupiter |
140,000 |
10.9 |
318 |
1.33 |
0.414 |
3.1 |
2.53 |
60. |
| Saturn |
117,000 |
9.13 |
95.2 |
0.69 |
0.440 |
26.7 |
1.07 |
36. |
| Uranus |
50,700 |
3.98 |
14.5 |
1.27 |
−0.718 |
97.9 |
0.89 |
21. |
| Neptune |
49,200 |
3.86 |
17.2 |
1.64 |
0.671 |
29.6 |
1.14 |
23. |
| Physical Data for Well-Studied Dwarf Planets |
| Well-Studied Dwarf Planet |
Diameter (km) |
Diameter (Earth = 1) |
Mass (Earth = 1) |
Mean Density (g/cm
3 ) |
Rotation Period (d) |
Inclination of Equator to Orbit (°) |
Surface Gravity (Earth = 1[g]) |
Velocity of Escape (km/s) |
| Ceres |
950 |
0.07 |
0.0002 |
2.2 |
0.378 |
3 |
0.03 |
0.5 |
| Pluto |
2470 |
0.18 |
0.0024 |
1.9 |
−6.387 |
122 |
0.06 |
1.3 |
| Haumea |
1700 |
0.13 |
0.0007 |
3 |
0.163 |
— |
— |
0.8 |
| Makemake |
1400 |
0.11 |
0.0005 |
2 |
0.321 |
— |
— |
0.8 |
| Eris |
2326 |
0.18 |
0.0028 |
2.5 |
1.25
|
— |
— |
1.4 |
| Orbital Data for the Major Planets |
| Major Planet |
Semimajor Axis (AU) |
Semimajor Axis (10
6 km) |
Sidereal Period (y) |
Sidereal Period (d) |
Mean Orbital Speed (km/s) |
Orbital Eccentricity |
Inclination of Orbit to Ecliptic (°) |
| Mercury |
0.39 |
58 |
0.24 |
88.0 |
47.9 |
0.206 |
7.0 |
| Venus |
0.72 |
108 |
0.6 |
224.7 |
35.0 |
0.007 |
3.4 |
| Earth |
1.00 |
149 |
1.00 |
365.2 |
29.8 |
0.017 |
0.0 |
| Mars |
1.52 |
228 |
1.88 |
687.0 |
24.1 |
0.093 |
1.9 |
| Jupiter |
5.20 |
778 |
11.86 |
— |
13.1 |
0.048 |
1.3 |
| Saturn |
9.54 |
1427 |
29.46 |
— |
9.6 |
0.056 |
2.5 |
| Uranus |
19.19 |
2871 |
84.01 |
— |
6.8 |
0.046 |
0.8 |
| Neptune |
30.06 |
4497 |
164.82 |
— |
5.4 |
0.010 |
1.8 |
| Orbital Data for Well-Studied Dwarf Planets |
| Well-Studied Dwarf Planet |
Semimajor Axis (AU) |
Semimajor Axis (10
6 km) |
Sidereal Period (y) |
Mean Orbital Speed
(km/s) |
Orbital Eccentricity |
Inclination of Orbit to Ecliptic (°) |
| Ceres |
2.77 |
414.0 |
4.6 |
18 |
0.08 |
11 |
| Pluto |
39.5 |
5915 |
248.6 |
4.7 |
0.25 |
17 |
| Haumea |
43.1 |
6452 |
283.3 |
4.5 |
0.19 |
28 |
| Makemake |
45.8 |
6850 |
309.9 |
4.4 |
0.16 |
29 |
| Eris |
68.0 |
10,120 |
560.9 |
3.4 |
0.44 |
44 |
Questions & Answers
classification of plants, gymnosperm features.
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what are the functions of Endocrine and pituitary gland
Chinaza
endocrine secrete hormone and regulate body process
Achor
while pituitary gland is an example of endocrine system and it's found in the Brain
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biology is the study of life.
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Biology is the study of how living organisms live and survive in a specific environment
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Got questions? Join the online conversation and get instant answers!
Source:
OpenStax, Astronomy. OpenStax CNX. Apr 12, 2017 Download for free at http://cnx.org/content/col11992/1.13
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