Mean distance from Sun: | 5.203 AU = 7.786x108 km |
Maximum distance from Sun: | 5.455 AU=8.157x108 km |
Minimum distance from Sun: | 4.951 AU=7.409x108 km |
Mean orbital velocity: | 13.1 km/s |
Siderial period: | 11.86 yr |
Rotation period: | 9hr 50m 30s equatorial |
Inclination of equator to orbit: | 3° 04' |
Inclination of orbit to ecliptic: | 1°18' |
Orbital eccentricity: | 0.048 |
Diameter(equatorial): | 142,984 km 133,500 km polar |
Diameter (Earth = 1): | 11.19 10.47 polar |
Apparent diameter from Earth:Max: | 50.1" |
Apparent diameter from Earth:Min: | 30.4" |
Mass: | 1.90x1027 kg |
Mass(Earth=1): | 317.8 |
Mean density | 1326 kg/m3 |
Surface gravity (Earth = 1) | 2.53 |
Escape velocity | 59.5 km/s |
Oblateness | 0.065 |
Mean surface temperature:cloudtops | -110°C=-166°F=163K |
Albedo | 0.52 |
Brightest magnitude | -2.7 |
Mean diameter of Sun from Jupiter | 6'09" |