| Planet | Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | Pluto |
| Mean distance from sun (millions of miles) |
36.0 | 67.24 | 92.9 | 141.71 | 483.88 | 887.14 | 1,783.98 | 2,796.46 | 3,666 |
| Equatorial diameter (miles) | 3,032.4 | 7,519 | 7,926.2 | 4,194 | 88,736 | 74,978 | 32,193 | 30,775 | 1,423(?) |
| Period of revolution (Earth units) |
88 days | 224.7 days | 365.2 days | 687 days | 11.86 years | 29.46 years | 84 years | 165 years | 248 years |
| Rotation period (Earth units) |
59 days | 243 days retrograde | 23 hr. 56 min. 4 sec. | 24 hr. 37 min. | 9 hr. 55 min. 30 sec. | 10 hr. 40 min. 24 sec. | 16.8 hr.(?) retrograde | 16 hr. 11 min.(?) | 6 days 9 hr. 18 min. retrograde |
| Inclination of axis | near 0° | 3° | 23°27' | 25°12' | 3°5' | 26°44' | 97°55' | 28°48' | 60°(?) |
| Inclination of orbit to ecliptic |
7° | 3.4° | 0° | 1.9° | 1.3° | 2.5° | 0.8° | 1.8° | 17.2° |
| Eccentricity of orbit | .206 | .007 | .017 | .093 | .048 | .056 | .047 | .009 | .254 |
| Comparitive mass | 0.04 | 0.81 | 1.00 | 0.11 | 316.94 | 94.9 | 14.7 | 17.2 | 0.10(?) |
| Comparitive volume | 0.06 | 0.92 | 1.00 | 0.15 | 1,318 | 736 | 64 | 60 | 0.09(?) |
| Mean surface gravity (g) | 0.29 | 0.86 | 1.00 | 0.37 | 2.64 | 1.17 | 0.91 | 1.12 | <0.50 |
| Mean orbital velocity (miles per second) |
29.76 | 21.78 | 18.52 | 15.00 | 8.12 | 6.00 | 4.23 | 3.37 | 2.95 |
| Satellites | 0 | 0 | 1 | 2 | 16 | 19 | 15 | 8 | 1 |
| Distinct Rings | 0 | 0 | 0 | 0 | 1 | several | 11 | 4 | 0(?) |
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