| Albedo
|
0.09 +
|
| Apoapsis
|
446,827,301.132 km (2.987 AU, 277,645,612.829 mi) +
|
| Axial tilt
|
0.0524 rad (3 °, 3.333 grad) +
|
| Color
|
#FFC9A0 +
|
| Composition
|
Rock and water +
|
| Date of discovery
|
1 January 1801 +
|
| Discoverer
|
Giuseppe Piazzi +
|
| Dwarf planet mass
|
9.47e+20 kg (1.584675e-4 M⊕, 0.0129 M☾) +
|
| Dwarf planet surface area
|
2,849,631 km² (1,100,248.68 mi², 0.00559 A⊕, 0.0752 A☾) +
|
| Equatorial radius
|
487.3 km (302.794 mi) +
|
| Escape speed
|
0.515 km/s (1,854.72 km/h, 0.32 mi/s, 1,152.47 mph) +
|
| Inclination
|
0.185 rad (10.586 °, 11.763 grad) +
|
| Maximum temperature
|
239 K (-34.15 °C, -29.47 °F, 430.2 °R) +
|
| Mean radius
|
476.2 km (295.897 mi) +
|
| Mean temperature
|
167 K (-106.15 °C, -159.07 °F, 300.6 °R) +
|
| Member of
|
Solar system +,
Dwarf planet +
|
| Modification dateThis property is a special property in this wiki.
|
18 October 2011 20:53:10 +
|
| Name origin
|
Roman goddess of agriculture +
|
| Orbital eccentricity
|
0.0795 +
|
| Orbital speed
|
17.882 km/s (64,375.2 km/h, 11.111 mi/s, 40,000.895 mph) +
|
| Order
|
5 +
|
| Periapsis
|
380,982,011.529 km (2.547 AU, 236,731,246.725 mi) +
|
| Planet density
|
2,093.95 kg/m³ (2.094 g/ml, 130.721 lb/ft³) +
|
| Polar radius
|
454.7 km (282.537 mi) +
|
| Primary
|
Sun +
|
| Rotation speed
|
0.0916 km/s (329.702 km/h, 0.0569 mi/s, 204.868 mph) +
|
| Satellites
|
0 +
|
| Semi-major axis
|
413,904,656.555 km (2.767 AU, 257,188,429.916 mi) +
|
| Sidereal day
|
9.075 h (0.378 da) +
|
| Sidereal period
|
1,680.973 da (4.602 a) +
|
| Surface gravity
|
0.279 m/s² (0.914 ft/s², 0.0284 g) +
|
| Symbol
|
⚳ +
|
| Titius-Bode prediction
|
2.8 AU +
|
| Visiting mission
|
Dawn mission +
|
| Categories |
Dwarf planet,
Solar system,
Astronomy
|
