This table lists the Solar System's planetary-mass objects (planemos), which include planets, dwarf planets and planet-sized moons, [1] [2] grouped by the region of the Solar System.
Region | Name | Type | Image | Internal
structure |
Diameter (km) |
Surface gravity (m/s²) |
Escape velocity (km/s) |
Solar day (h) [3] |
Surface area (km²×106) |
Surface area (system summary) [4] |
---|---|---|---|---|---|---|---|---|---|---|
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Mercury | planet |
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4878 | 3.70 | 4.2 | 4223 | 75 | 75 |
Venus | planet |
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12104 | 8.9 | 10.4 | 2802 | 460 | 460 | |
Earth | planet |
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12756 | 9.8 | 11.2 | 24 | 510.1 | 548 | |
Moon | satellite |
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3476 | 1.62 | 2.4 | 731 | 37.9 | ||
Mars | planet |
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6786 | 3.72 | 5.0 | 25 | 144.8 | 144.8 | |
Ceres | dwarf planet |
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950 | 0.26 | 0.5 | 9 | 2.8 | 2.8 | |
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Jupiter | planet |
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142700 | 24.9 | 59.6 | 10 | 232.9 | |
Io | satellite |
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3630 | 1.81 | 2.6 | 42 | 41.9 | ||
Europa | satellite |
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3138 | 1.3 | 2.0 | 85 | 31 | ||
Ganymede | satellite |
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5268 | 1.42 | 2.7 | 172 | 87 | ||
Callisto | satellite |
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4800 | 1.25 | 2.5 | 402 | 73 | ||
Saturn | planet |
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120400 | 10.45 | 35.5 | 11 | 106 | ||
Mimas | satellite |
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397 | 0.064 | 0.16 | 23 | 0.5 | |||
Enceladus | satellite |
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504 | 0.11 | 0.24 | 33 | 0.8 | ||
Tethys | satellite |
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1060 | 0.15 | 0.4 | 45 | 3.6 | |||
Dione | satellite |
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1120 | 0.23 | 0.5 | 66 | 4 | |||
Rhea | satellite |
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1528 | 0.26 | 0.6 | 108 | 7.3 | |||
Titan | satellite |
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5150 | 1.36 | 2.6 | 383 | 83 | ||
Iapetus | satellite |
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1436 | 0.21 | 0.5 | 1918 | 6.7 | |||
Uranus | planet |
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51100 | 8.9 | 21.3 | 17 | 24.3 | ||
Miranda | satellite |
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472 | 0.08 | 0.2 | 34 | 0.7 | |||
Ariel | satellite |
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1160 | 0.27 | 0.6 | 60 | 4.2 | |||
Umbriel | satellite |
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1170 | 0.23 | 0.5 | 99 | 4.3 | |||
Titania | satellite |
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1578 | 0.38 | 0.8 | 209 | 7.8 | |||
Oberon | satellite |
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1522 | 0.35 | 0.7 | 323 | 7.3 | |||
Neptune | planet |
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49500 | 11.2 | 23.6 | 16 | 23 | ||
Triton | satellite |
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2706 | 0.78 | 1.5 | 141 | 23 | |||
Transneptunian objects | Pluto | dwarf planet |
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2306 [5] | 0.62 | 1.2 | 153 | 18 | 22.6 |
Charon | satellite |
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1205 | 0.33 | 0.6 | 153 | 4.6 | |||
Haumea | dwarf planet |
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~1150 | 0.44 | 0.84 | 4 | ~4 | ~4 | ||
Makemake | dwarf planet |
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~1500 | ~0.5 | ~0.8 | ~7 | ~7 | |||
Eris | dwarf planet |
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2400 | 0.67 | 1.3 | >8 | 18.1 | 18.1 | ||
As well as various poorly known
Trans-Neptunian objects up to 2000 km in diameter (See this table) |
This table lists the Solar System's planetary-mass objects (planemos), which include planets, dwarf planets and planet-sized moons, [1] [2] grouped by the region of the Solar System.
Region | Name | Type | Image | Internal
structure |
Diameter (km) |
Surface gravity (m/s²) |
Escape velocity (km/s) |
Solar day (h) [3] |
Surface area (km²×106) |
Surface area (system summary) [4] |
---|---|---|---|---|---|---|---|---|---|---|
![]() |
Mercury | planet |
![]() |
![]() |
4878 | 3.70 | 4.2 | 4223 | 75 | 75 |
Venus | planet |
![]() |
![]() |
12104 | 8.9 | 10.4 | 2802 | 460 | 460 | |
Earth | planet |
![]() |
![]() |
12756 | 9.8 | 11.2 | 24 | 510.1 | 548 | |
Moon | satellite |
![]() |
![]() |
3476 | 1.62 | 2.4 | 731 | 37.9 | ||
Mars | planet |
![]() |
![]() |
6786 | 3.72 | 5.0 | 25 | 144.8 | 144.8 | |
Ceres | dwarf planet |
![]() |
![]() |
950 | 0.26 | 0.5 | 9 | 2.8 | 2.8 | |
![]() |
Jupiter | planet |
![]() |
![]() |
142700 | 24.9 | 59.6 | 10 | 232.9 | |
Io | satellite |
![]() |
![]() |
3630 | 1.81 | 2.6 | 42 | 41.9 | ||
Europa | satellite |
![]() |
![]() |
3138 | 1.3 | 2.0 | 85 | 31 | ||
Ganymede | satellite |
![]() |
![]() |
5268 | 1.42 | 2.7 | 172 | 87 | ||
Callisto | satellite |
![]() |
![]() |
4800 | 1.25 | 2.5 | 402 | 73 | ||
Saturn | planet |
![]() |
![]() |
120400 | 10.45 | 35.5 | 11 | 106 | ||
Mimas | satellite |
![]() |
397 | 0.064 | 0.16 | 23 | 0.5 | |||
Enceladus | satellite |
![]() |
![]() |
504 | 0.11 | 0.24 | 33 | 0.8 | ||
Tethys | satellite |
![]() |
1060 | 0.15 | 0.4 | 45 | 3.6 | |||
Dione | satellite |
![]() |
1120 | 0.23 | 0.5 | 66 | 4 | |||
Rhea | satellite |
![]() |
1528 | 0.26 | 0.6 | 108 | 7.3 | |||
Titan | satellite |
![]() |
![]() |
5150 | 1.36 | 2.6 | 383 | 83 | ||
Iapetus | satellite |
![]() |
1436 | 0.21 | 0.5 | 1918 | 6.7 | |||
Uranus | planet |
![]() |
![]() |
51100 | 8.9 | 21.3 | 17 | 24.3 | ||
Miranda | satellite |
![]() |
472 | 0.08 | 0.2 | 34 | 0.7 | |||
Ariel | satellite |
![]() |
1160 | 0.27 | 0.6 | 60 | 4.2 | |||
Umbriel | satellite |
![]() |
1170 | 0.23 | 0.5 | 99 | 4.3 | |||
Titania | satellite |
![]() |
1578 | 0.38 | 0.8 | 209 | 7.8 | |||
Oberon | satellite |
![]() |
1522 | 0.35 | 0.7 | 323 | 7.3 | |||
Neptune | planet |
![]() |
![]() |
49500 | 11.2 | 23.6 | 16 | 23 | ||
Triton | satellite |
![]() |
2706 | 0.78 | 1.5 | 141 | 23 | |||
Transneptunian objects | Pluto | dwarf planet |
![]() |
![]() |
2306 [5] | 0.62 | 1.2 | 153 | 18 | 22.6 |
Charon | satellite |
![]() |
1205 | 0.33 | 0.6 | 153 | 4.6 | |||
Haumea | dwarf planet |
![]() |
~1150 | 0.44 | 0.84 | 4 | ~4 | ~4 | ||
Makemake | dwarf planet |
![]() |
~1500 | ~0.5 | ~0.8 | ~7 | ~7 | |||
Eris | dwarf planet |
![]() |
2400 | 0.67 | 1.3 | >8 | 18.1 | 18.1 | ||
As well as various poorly known
Trans-Neptunian objects up to 2000 km in diameter (See this table) |