Dwarf planet + Includes
Sun + Satellite
| Ceres |
Apoapsis
446,848,837.69 km (2.987 AU, 277,658,995.025 mi)
Axial tilt
0.0524 rad (3 °, 3.333 grad)
Color
#FFC9A0
Composition
Rock and water
Date of discovery
1 January 1801
Dwarf planet mass
9.46e+20 kg (1.583e-4 M⊕, 0.0129 M☾)
Dwarf planet surface area
11,151,000 km² (4,305,425.17 mi², 0.0219 A⊕, 0.294 A☾)
Equatorial radius
487.3 km (302.794 mi)
Escape speed
0.51 km/s (1,836 km/h, 0.317 mi/s, 1,140.838 mph)
Inclination
0.185 rad (10.587 °, 11.763 grad)
Maximum temperature
239 K (-34.15 °C, -29.47 °F, 430.2 °R)
Mean temperature
167 K (-106.15 °C, -159.07 °F, 300.6 °R)
Orbital eccentricity
0.0798
Orbital speed
17.882 km/s (64,375.2 km/h, 11.111 mi/s, 40,000.895 mph)
Order
5
Periapsis
380,726,579.15 km (2.545 AU, 236,572,528.403 mi)
Planet density
2,077 kg/m³ (2.077 g/ml, 129.663 lb/ft³)
Polar radius
454.7 km (282.537 mi)
Satellites
0
Semi-major axis
413,781,189.543 km (2.766 AU, 257,111,711.072 mi)
Sidereal day
9.074 h (0.378 da)
Sidereal period
1,679.785 da (4.599 a)
Surface gravity
0.27 m/s² (0.886 ft/s², 0.0275 g)
Titius-Bode prediction
2.8 AU
Discoverer
Giuseppe Piazzi +
Member of
Dwarf planet +
Primary
Sun +
Categories Astronomy +, Dwarf planet +, Solar system +
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