Ceres

Discovered 1801-01-01 by Giuseppe Piazzi. Largest object in the asteroid belt

Mean Radius

476.2 km

Gravity

0.284 m/s²

Orbital Period

1681.6 d

Distance

2.769 AU

Temperature

168 K

Physical Properties

Mean Radius476.2 km

Mass9.3930 × 10^20 kg

Surface Gravity0.284 m/s²

Density2.162 g/cm³

Escape Velocity0.51 km/s

Mean Temperature168 K (-105°C)

Axial Tilt4°

Rotation Period9.07 h

AtmosphereNone

Ring SystemNone

Orbital Elements (J2000)

Semi-major Axis2.769165 AU

Eccentricity0.07600903

Inclination10.59408°

Asc. Node (Ω)80.32910°

Arg. Perihelion (ω)73.59769°

Mean Anomaly (M₀)77.37209°

Orbital Period1681.630 days

Perihelion2.559 AU

Aphelion2.979 AU