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Refiner of Gold Creations'Solar System -- Planetary Statistics |
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| Planet, Asteroid, or Satellite |
Discovery, Revolution & Distance |
Diameter, Rotation & Gravity/Density |
Surface Composition Atmosphere & Temperature |
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|---|---|---|---|---|
| Mercury | Prehistory 86.0 Days 0.39 AU |
4,880 km 58d 15h 30' 0.39 / 5.43 |
Basaltic dust & rock Essentially none -315°F - 700°F |
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| Venus | Prehistory 225.0 Days 0.72 AU |
12,100 km 243d 14' 0.91 / 5.2 |
Basaltic & granitic rock Thick, CO2 + H2SO4 clouds Avg 867°F (464°C) |
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| Earth | ~500 BCE 1 Year 1 AU |
12,756 km 23h 56' 1.0 / 5.522 |
Water, granitic soil N2, O2, H2O Avg 58°F (14°C) |
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| Moon | Prehistory 27.3 Days 384,000 km | 3,476 km 27.3d (655.2h) 0.16 / 3.3 |
Basaltic dust & rock None -240°F (1515°C) - 220°F (105°C) |
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| Mars | Prehistory 1.88 Years 1.52 AU |
6,787 km 24h 37m 0.38 / 3.90 |
Basaltic dust and rock Thin, CO2 Avg -13°F (-25°:C) |
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| Phobos | 1877 CE 7.7 Hours 9,400 km |
27 x 21 x 19 km 7.5 Hours 0.0009 / ? |
Carbonaceous rock None ? |
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| Deimos | 1877 CE 30.3 Hours 23,500 km |
15 x 12 x 11 km 30.25 Hours 0.0004 / ? |
Carbonaceous rock None ? |
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| Planet, Asteroid, or Dwarf Planet |
Discovery, Revolution & Distance |
Diameter, Rotation & Gravity/Density |
Surface Composition Atmosphere & Temperature |
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| Ceres | 1801 CE 4.6 Years 2.77 AU |
914 km ? 0.04 / ? |
Carbonaceous rock None ? |
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| Pallas | 1802 CE 3.63 Years 2.77 AU |
522 km ? 0.02 / ? |
Meteoric rock None ? |
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| Juno | 1804 CE 4.61 Years 2.67 AU |
244 km ? 0.01 / ? |
Rock and iron None ? |
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| Vesta | 1807 CE 5.59 Years 2.36 AU |
500 km ? 0.02 / ? |
Basaltic, meteoritic rock None ? |
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| Planet, Asteroid, or Satellite |
Discovery, Revolution & Distance |
Diameter, Rotation & Gravity/Density |
Surface Composition Atmosphere & Temperature |
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| Jupiter | Prehistory 11.9 Years 5.2 AU |
142,984 km Avg 9h 52' 2.6 / 1.3 |
(-) H2, He, NH3, CH4 Avg -234°F (-148°C) |
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| Metis | 1980 CE 7.1 Hours 126,000 km |
40 km ? 0.002 / ? |
Rock (?) None ? |
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| Adrasta | 1979 CE 7.1 Hours 128,000 km |
24 x 16 km ? 0.001 / ? |
Rock (?) None ? |
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| Amalthea | 1892 CE 12.0 Hours 182,000 km |
270 x 170 x 155 km ? 0.009 / ? |
Sulfur layer over rock (?) None ? |
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| Thebe | 1980 CE 16.2 Hours 223,000 km |
100 km ? 0.003 / ? |
Rock (?) None ? |
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| Io | 1610 CE 1.8 Days 422,000 km |
3.630 km 1d 19h 0.18 / ? |
Sulfur compounds Very thin SO2, S, Na Avg -148ºC (-234ºF) "daytime" |
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| Europa | 1610 CE 3.6 Days 671,000 km |
3,130 km 3.6 Days 0.14 / ? |
H2O ice None ? |
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| Ganymede | 1610 CE 7.2 Days 1,071,000 km |
5,280 km 7d 3h 0.15 / ? |
H2O ice & dust None ? |
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| Callisto | 1610 CE 16.8 Days 1,884,000 km |
4,840 km 16d 16h 0.12 / ? |
Rocky dust & some ice None ? |
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| Leda | 1974 CE 240.0 Days 1,110,000 km |
16 km ? 0.0003 / ? |
Carbonaceous rock (?) None ? |
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| Himalia | 1904 CE 251.0 Days 11,470,000 km |
180 km ? 0.004 / ? |
Carbonaceous rock (?) None ? |
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| Lysithea | 1938 CE 260.0 Days 11,710,000 km |
40 km ? 0.001 / ? |
Carbonaceous rock (?) None ? |
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| Elara | 1904 CE 260.1 Days 11,740,000 km |
80 km ? 0.002 / ? |
Carbonaceous rock (?) None ? |
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| Ananke | 1951 CE R 1.72 Years 20,700,000 km |
30 km ? 0.0005 / ? |
Carbonaceous rock (?) None ? |
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| Carme | 1938 CE 1.89 Years 22,350,000 km |
44 km ? 0.008 / ? |
Carbonaceous rock (?) None ? |
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| Pasiphae | 1908 CE 2.02 Years 23,300,000 km |
35 km ? 0.0009 / ? |
Carbonaceous rock (?) None ? |
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| Sinope | 1914 CE R 2.07 Years 23,700,000 km |
20 km ? 0.0008 / ? |
Carbonaceous rock (?) None ? |
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| Planet, Asteroid, or Satellite |
Discovery, Revolution & Distance |
Diameter, Rotation & Gravity/Density |
Surface Composition Atmosphere & Temperature |
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| Saturn | Prehistory 29.5 Years 9.5 AU |
120,660 km 10h 41' 1.1 / 0.7 |
(-) N2, He, NH3, CH4 Avg -288°F (-178°C) |
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| Pan | 1990 CE 13.8 Years 134,000 km |
20 km ? ? 0.0006 / ? |
Mostly H2O ice (?) None ? |
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| Atlas | 1980 CE 14.4 Hours 138,000 km |
50 x 30 x 20 km ? 0.0008 / ? |
Mostly H2O ice (?) None ? |
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| Prometheus | 1980 CE 14.7 Hours 139,000 km |
140 x 80 km ? 0.006 / ? |
Mostly H2O ice (?) None ? |
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| Pandora | 1980 CE 15.0 Hours 142,000 km |
110 x 70 km ? 0.005 / ? |
Mostly H2O ice (?) None ? |
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| Epimetheus * | 1980 CE 16.7 Hours 151,000 km |
140 x 100 km ? 0.004 / ? |
Mostly H2O ice (?) None ? |
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| Janus * | 1980 CE 6.7 Hours 151,000 km |
220 x 180 x 160 km ? 0.005 / ? |
Mostly H2O ice (?) None ? |
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| Mimas | 1789 CE 22.6 Hours 186,000 km |
390 km ? 0.007 / ? |
Mostly H2O ice (?) None ? |
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| Enceladus | 1789 CE 1.4 Days 238,000 km |
500 km ? 0.008 / ? |
Mostly H2O ice (?) None ? |
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| Tethys | 1684 CE 1.9 Days 295,000 km |
1,050 km ? 0.15 / ? |
Mostly H2O ice (?) None ? |
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| Telsto ** | 1981 CE 1.9 Days 295,000 km |
34 x 26 km ? 0.0003 / ? |
(?) None ? |
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| Calypso ** | 1981 CE 1.9 Days 295,000 km |
34 x 22 km ? 0.0004 / ? |
(?) None ? |
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| Dione | 1684 CE 2.7 Days 377,000 km |
1,120 km ? 0.22 / ? |
Mostly H2O ice None ? |
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| Helene *** | 1980 CE 2.7 Days 377,000 km |
36 x 30 km ? 0.004 / ? |
Mostly H2O ice None ? |
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| Rhea | 1672 CE 4.5 Days 527,000 km |
1,530 km ? 0.028 / ? |
Mostly H2O ice None ? |
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| Titan | 1655 CE 15.9 Days 1,222,000 km |
5,140 km ? 0.14 / ? |
Ices, liquid NH3 & CH4 Thick N2, CH4 ? |
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| Hyperion | 1848 CE 21.3 Days 1,484,000 km |
290 km ? 0.006 / ? |
Ices (?) None ? |
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| Iapetas | 1671 CE 79.3 Days 3,562,000 km |
1,440 km ? 0.02 / ? |
Ice & rock None ? |
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| Phoebe | 1898 CE R 550.0 Days 12,960,000 km |
220 km ? 0.005 / ? |
Carbonaceous soil None ? |
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* Janus and Epimetheus occupy close orbits. ** Telesto and Calypso are co-orbital with Tethys; Telesto about 60° ahead, Calypso about 60° behind. *** Helene is about 60° ahead of Dione in the same orbit. |
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| Chiron | 1977 CE 51.0 Years 13.7 AU |
250 km ? 0.005 / ? |
Carbonaceous soil over ice (?) None ? |
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| Planet, Asteroid, or Satellite |
Discovery, Revolution & Distance |
Diameter, Rotation & Gravity/Density |
Surface Composition Atmosphere & Temperature |
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| Uranus | 1781 CE 84.0 Years 19.16 AU |
51,120 km 16h 48' 0.88 / 1.2 |
(?) H2,He, CH4 Avg -351°F (1213°C) |
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| Cordelia | 1986 CE 8.0 Hours 50,000 km |
30 km ? ? 0.009 / ? |
Dark soil & ice (?) None ? |
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| Ophelia | 1986 CE 9.0 Hours 54,000 km |
30 km ? ? 0.009 / ? |
Dark soil & ice (?) None ? |
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| Bianca | 1986 CE 10.2 Hours 59,000 km |
40 km ? ? 0.01 / ? |
Dark soil & ice (?) None ? |
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| Cressida | 1986 CE 11.1 Hours 62,000 km |
70 km ? ? 0.02 / ? |
Dark soil & ice (?) None ? |
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| Desdemona | 1986 CE 11.4 Hours 63,000 km |
60 km ? ? 0.02 / ? |
Dark soil & ice (?) None ? |
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| Juliet | 1986 CE 11.8 Hours 64,000 km |
80 km ? ? 0.02 / ? |
Dark soil & ice (?) None ? |
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| Portia | 1986 CE 12.3 Hours 66,000 km |
110 km ? ? 0.03 / ? |
Dark soil & ice (?) None ? |
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| Rosalind | 1986 CE 13.4 Hours 70,000 km |
60 km ? ? 0.02 / ? |
Dark soil & ice (?) None ? |
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| Belinda | 1986 CE 15.0 Hours 75,000 km |
70 km ? ? 0.02 / ? |
Dark soil & ice (?) None ? |
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| Puck | 1985 CE 18.3 Hours 86,000 km |
150 km ? 0.004 / ? |
Dark soil & ice (?) None ? |
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| Miranda | 1948 CE 1.4 Days 130,000 km |
470 km ? 0.004 / ? |
H2O ice, rock None ? |
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| Ariel | 1851 CE 2.5 Days 191,000 km |
1,160 km ? 0.01 / ? |
H2O ice, rock None ? |
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| Umbriel | 1851 CE 4.1 Days 266,000 km |
1,170 km ? 0.008 / ? |
H2O ice, rock None ? |
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| Titania | 1787 CE 8.7 Days 436,000 km |
1,580 km ? 0.02 / ? |
H2O ice, rock None ? |
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| Oberon | 1787 CE 13.5 Days 583,000 km |
1,520 km ? 0.01 / ? |
H2O ice, rock None ? |
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| Planet, Dwarf Planet, or Satellite |
Discovery, Revolution & Distance |
Diameter, Rotation & Gravity/Density |
Surface Composition Atmosphere & Temperature |
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| Neptune | 1846 CE 164.0 Years 30.0 AU |
49,530 km 16h 3' 1.14 / ~1.7 |
(?) H2, He, CH4 Avg -357°F (-216°C) |
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| Naiad | 1989 CE 7.1 Hours 48,000 km |
50 km ? ? 0.001 / ? |
Dark soil & ice (?) None ? |
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| Thalassa | 1989 CE 7.5 Hours 50,000 km |
80 km ? ? 0.002 / ? |
Dark soil & ice (?) None ? |
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| Despina | 1989 CE 8.0 Hours 52,000 km |
180 km ? ? 0.005 / ? |
Dark soil & ice (?) None ? |
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| Galatea | 1989 CE 10.3 Hours 62,000 km |
150 km ? ? 0.004 / ? |
Dark soil & ice (?) None ? |
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| Larissa | 1989 CE 13.3 Hours 74,000 km |
190 km ? ? 0.005 / ? |
Dark soil & ice (?) None ? |
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| Proteus | 1989 CE 1.1 Days 118,000 km |
400 km ? 0.01 / ? |
Dark soil & ice (?) None ? |
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| Triton | 1846 CE R 5.9 Days 356,000 km |
2,700 km ? 0.06 |
Ch4, ice Thin N2, CH4 ? |
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| Nereid | 1949 CE 360.0 Days 5,567,000 km |
340 km ? 0.004 / ? |
CH4, ice (?) None ? |
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| Pluto | 1930 CE 247.0 Years 39.48 AU |
2,300 km 6d 9h 17' 0.05 / ~1 |
N2 ice, CH4 ice, CO2 ice Very thin N2 Avg -369°F (-223°C) |
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| Charon | 1978 CE 6.4 Days 17,530 km |
1,205 km ? 0.02 / ? |
N2 ice, CH4 ice, CO2 ice
None ? |
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| Niks | 2005 CE 24.856 Days 48,708 km |
88 km ? ? / ? |
N2 ice, CH4 ice, CO2 ice
None ? |
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| Hydra | 2005 CE 38.206 Days 64,749 km |
72 km ? ? / ? |
N2 ice, CH4 ice, CO2 ice
None ? |
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| Haumea | 2004 CE 283.28 Years 43.34 AU |
1,150 km ? ~0.44 / 2.6-2.3 |
N2 ice, CH4 ice, CO2 ice
? ‹50 K |
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| Makemake | 2005 CE 309.9 Years 45.79 AU |
1,500 km ? ~0.5 / ~2? |
N2 ice, CH4 ice, CO2 ice
Transient? ‹50 K |
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| Eris | 2005 CE 557 Years 67.67 AU |
‹2,340 km ? ~0.8 / 2.3 |
N2 ice, CH4 ice, CO2 ice
Transient? 30-35 K |
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| Dysnomia | 2005 CE 15.77 Days 37.350±140 km |
50-125 km ? ? / ? |
N2 ice, CH4 ice, CO2 ice
None ? |
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