Planets Sun Mercury Venus Earth Mars Jupiter Saturn  Rings Uranus Neptune Pluto
bogdi.ro Planetary Fact Sheet designed by Bogdan
Atmosphere hydrogen
helium
oxygen
73,46%
24,85%
0,77%
potassium
sodium
atomic oxygen
argon helium others...
31,7%
24,9%
 
9,5%
7%
5,9%
carbon
dioxide (surface)
acid sulfuric clouds
78%
 
 
21%
nitrogen oxigen argon carbon dioxide 95% 3% 1,6% carbon
dioxide
nitrogen
argon
86%
 
14% 0,1% 0,07% 0,02%
hydrogen helium water vapor methane ammonia 97% 3% 0,05% hydrogen helium methane 83% 15% 2% hydrogen helium methane 74% 25% 1% hydrogen helium methane (icy clouds, enormous storms, 2000 Km/h) nitrogen carbon dioxide methane
Diameter (Km) 1.391.000 4.878 12.104 12.756 6.790 142.800 120.536 51.118 49.528 2.274
Mass 1,99 * 10|30 3,3 * 10|23 4,87 * 10|24 5,976 * 10|24 6,42 * 10|23 1,9 * 10|27 5,69 * 10|26 8,68 * 10|25 1,023 * 10|26 1,29 * 10|22
Desity 1.400 Kg/m3 5.430 Kg/m3 5.240 Kg/m3 5.520 Kg/m3 3.933 Kg/m3 1.134 Kg/m3 700 Kg/m3 1.250 Kg/m3 1.670 Kg/m3 2.000 Kg/m3
Orbit far from the Sun (Km) Mean distance from the Milki Way core: 26,000 light-years 69.800.000 (aphelion) 108.900.000 152.097.701 249.000.000 815.000.000 1.503.000.000 3.003.000.000 4.546.000.000 7.380.000.000
Orbit close to the Sun (Km) 46.000.000 (perihelion) 107.500.000 147.098.074 207.000.000 749.900.000 1.348.000.000 2.739.000.000 4.456.000.000 4.447.000.000
Orbit eccentricity (a-p/a+p) 0 0,20563 0,00677 0,01671 0,09340 0,04849 0,05551 0,04630 0,00899 0,2490
Moons Planets No moons No moons The Moon Phobos, Deimos Io, Europa, Ganymede, Callisto, others... Titan (sounds, life), Rhea, Iapetus, Dione, others... Titania, Oberon, others... (27!) Triton (-235 C), Nereid, Proteus, others... Charon (1.172 in diameter)
Nr. of moons 9 (probably 10) 0 0 1 2 63 49 27 13 1
Year   87,97 Earth days 224,7 Earth days 365,26 Earth days 687 Earth days 11,86 Earth years 29,49 Earth years 84,07 Earth years 164,8 Earth years 247,7 Earth years
Day   176 Earth days 243 Earth days 23,93 hours 24,06 hours 9,8 hours 10,2 hours 17.9 hours 19.1 hours 6,39 Earth days
Axial tilt 7,25 0,01 2,64 23,439281 25,19 3,13 26,73 97,86 28,32 122,5
Rotation Right Right Left Right Right Right Right Left Right Right
Orbital inclination 0 7,004 3,39 0 1,85 1,305 (6,09) 2,484 (5,51) 0,769 (6,48) 1,774 17,141 (11,88)
Degrees min/max C surface 5.500 core 15.000.000 -168/425 420/480 -88/58 (Antartica/Africa) -140/20 -163/~-110 -191/~-130 -214/~-205 -225/-218 -228/-238
Gravity m/s|2 273,95 3,701 (38%) (91%) 9,78 (100%) 3,69 (38%) 23,12 (254%) 8,96 (74%) 8,69 (91%) 11,15 (119%) 0,58 (8%)
Atmospheric pressure kPa   ~0 9300 100 0,8 Unknown (?70) Unknown (?140) Unknown (?120 at the cloud level) Unknown ~0
Sky   pitch black highly clouded (dark) blue           black
Speed around the Sun Km/s min/max Speed around the center of our galaxy 217 Km/s 47,36
38,86/58,98
35
34,784/35,259
29,78
29,29/30,29
24,13
21,972/26,499
13,06
12,44/13,705
9,64
9,136/10,182
6,81
6,485/7,128
5,43
5,385/5,479
4,74
3,71/6,11
Speed rotation at equator Km/s 7174 Km/h 0,003 (10,89 Km/h) 0,0018 (6,52 Km/h) 0,46 0,24 12,4 10 4,1 2,68 0,013 (47,18 Km/h)
Seasons No No No Yes Yes     Yes Yes Yes
Spacecraft visits Pioneer 5 (1960) Pioneer 8 (1967) Mariner 10 (1973) Venera 1 (1961) Mariner 2 (1963) Zond 1 (1964) Venera 2&3&4 (1966/67) Mariner 5 (1967) others   Viking1&2 (1976)
Phobos 2 (1989)
Pathfinder (1997)
Sourveyor (1997)
Orbiter (1998)
Polar lander (1999)
Sourveyor1 (2001)
Sourveyor3 (2003)
Pioneer 10&11 (1973)
Voyager 1&2 (1980/81)
Galileo (1990)
Ulysses (1990)
Pioneer 11 (1979)
Voayager 1&2 (1980)
Cassini-Huygens (2004)
Voayager 2 (1986) Voayager 2 (1989) Pluto-Kuiper-Express (2010)
Discovered by _ Timocharis (265) _ _ _ _ _ William Herchel (1781) Galileo (1612)Urbain Le Verrier & John Couch Adams (1846) Clyde W. Tombaugh (1930)