| Properties | Sun | Mercury | Venus | Earth | Moon | Mars | Jupiter | Saturn | Uranus | Neptune | Pluto |
| Equatorial Radius | |||||||||||
| in km | 695,990 | 2439 | 6052 | 6378 | 1738 | 3398 | 71,494 | 60330 | 25559 | 24750 | 1151 |
| in Earth radii | 109.12 | 0.38 | 0.95 | 1.00 | 0.27 | 0.53 | 11.20 | 9.42 | 4.01 | 3.93 | 0.18 |
| in miles | 432560 | 1516 | 3761 | 3964 | 1080 | 2112 | 44,434 | 37,495 | 15,885 | 15,382 | 715 |
| Equatorial diameter | |||||||||||
| in km | 1,391,980 | 4878 | 12,104 | 12,756 | 3476 | 6796 | 142,900 | 129,660 | 51,118 | 49,500 | 2,300 |
| in mi | 865,120 | 3031 | 7522 | 7928 | 2160 | 4224 | 88,868 | 74,990 | 31,770 | 30,764 | 1430 |
| Mass
Earth masses in kg |
1.989x1030 | 0.056
3.31x1023 |
0.82 4.87x1024 | 1.00
5.98x1024 |
0.012
7.35x1022 |
0.11 0.64x1024 | 317.83
1.90x1027 |
95.15
5.69x1026 |
14.54
8.69x1025 |
17.23
1.03x1026 |
0.0022
1.2x1022 |
| Density | 1.4 | 5.4 | 5.2 | 5.5 | 3.3 | 3.9 | 1.3 | 0.69 | 1.29 | 1.7 | 2.0 |
| Surface gravity E=1 | 0.38 | 0.90 | 1.0 | 0.167 | 0.38 | 2.5 base of clouds | 1.2 base of clouds | 0.92 | 1.2 | 0.06 | |
| Escape velocitykm/s | 617.7 | 4.3 | 10.3 | 11.2 | 2.38 | 5.0 | 61 | 35.6 | 22 | 25 | 1.2 |
| Distance | from Earth | from Earth | |||||||||
| in AU | 1.00 | 0.39 | 0.72 | 1.00 | 1.52 | 5.20 | 9.54 | 19.18 | 30.06 | 39.44 | |
| 106km | 149.6 | 57.9 | 108.2 | 149.6 | 0.3846 | 227.9 | 778.3 | 1427.0 | 2869.0 | 4497.1 | 5900 |
| Period of Revolution | N/A | 0.24y (87.97d) | 0.62y (224.7d) | 1y
(365.26d) |
27.32d (si) 29.53d(sy) | 1.88y
(686.95d) |
11.87y | 29.46y | 84.01y | 164.79y | 247.7y |
| Period of Rotation | 25d at equator | 58.65d | 243.01d Retro | 24h00mso 23h56msi | 29.53d | 24h37m | 9h51m | 10h39m | 17h14m | 16h03m | 6d09h21m |
| Orbital Velocity | |||||||||||
| km/s | N/A | 47.9 | 35.03 | 29.79 | 1.022 | 24.13 | 13.06 | 9.64 | 6.81 | 5.43 | 4.74 |
| mi/s | N/A | 29.8 | 21.8 | 18.5 | 0.64 | 15.0 | 8.1 | 6.0 | 4.2 | 3.4 | 3.0 |
| Orbital eccentricity | N/A | 0.21 | 0.0068 | 0.017 | 0.055 | 0.093 | 0.048 | 0.056 | 0.046 | 0.010 | 0.25 |
| Inclination of orbit to the Ecliptic | N/A | 7o00'16' | CHECK 3o23'40" | 0o by definition | 5o 09" | 1o51'09" | 1o18'29" | 2o29'17" | 0o46'23" | 1o46'27" | 17o09'03" |
| Inclination of Equator to the orbit | N/A | 0o | 177o | 23o27' | 6o41' | 23o50' | 3o05' | 26o24' | 97o55' | 28o48' | 122o |
| Surface Temp (oC) | 5800K | -170 to 430 | 472 (882oF) | -60 to 60 | -170 to 130 | -140 to 20 | -130@
cloud tops |
-180@ cloud tops | -220@
cloud tops |
-216@ cloud tops | -230 |
| Ave albedo | N/A | 0.1 | 0.76 | 0.37 | 0.07 | 0.16 | 0.51 | 0.61 | 0.66 | 0.62 | 0.5 |
| Oblateness | 0 | 0 | 0.034 | 0.01 | 0.06 | 0.10 | 0.027 | ||||
| Moons | N/A | 0 | 0 | 1
The moon Luna |
N/A | 2 small
Phobos 28x20km Deimos 16x12km |
16+
4 Galilean Io (inner) Europa Ganymede Callisto (outermost) |
22
Titan Tethys Enceladus |
15
Miranda (innermost) Ariel Umbrial Titania Oberon |
8
Nereid Triton Galatea |
1
Charon |