Exploring The Planets
Our Solar System

Planetary Physical Data

planets not shown to scale >> G-merc.T.gif (1743 bytes) G-venus.T.gif (2565 bytes) G-earth.T.gif (2839 bytes) G-mars.T.GIF (2294 bytes) G-jupiter.T.gif (2435 bytes) G-saturn.T.gif (2263 bytes) G-uranus.T.gif (2362 bytes) G-nept.T.gif (2527 bytes) G-pluto.T.gif (1179 bytes)
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto
Mean Distance from the Sun (AU) 0.3871 0.7233 1 1.524 5.203 9.539 19.19 30.06 39.48
Sidereal period of orbit (years) 0.24 0.62 1 1.88 11.86 29.46 84.01 164.79 248.54
Mean Orbital Velocity (km/sec) 47.89 35.04 29.79 24.14 13.06 9.64 6.81 5.43 4.74
Orbital  Eccentricity 0.206 0.007 0.017 0.093 0.048 0.056 0.046 0.010 0.248
Inclination to ecliptic (degrees) 7.00 3.40 0 1.85 1.30 2.49 0.77 1.77 17.15
Equatorial Radius (km) 2439 6052 6378 3397 71490 60268 25559 25269 1160
Polar Radius (km) same same 6357 3380 66854 54360 24973 24340 same
Mass of planet (Earth=1) 0.06 0.82 1 0.11 317.89 95.18 14.53 17.14 0.002
Mean density (grams/centimeter³ ) 5.43 5.25 5.52 3.95 1.33 0.69 1.29 1.64 2.03
Body rotation period (hours) 1408 5832 23.93 24.62 9.92 10.66 17.24 16.11 153.3
Tilt of equator to orbit (degrees) 2 177.3 23.45 25.19 3.12 26.73 97.86 29.6 122.46
Number of observed satellites 0 0 1 2 >28 30 24 8 1

 

Our Solar System

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