Haumea

2003 EL61

Discovered 28/12/2004 · Michael E. Brown, José Luis Ortiz Moreno

Extremely fast rotation gives it an oblate ellipsoid shape

Mean Radius

0 km

Gravity

0.40 m/s²

Temperature

50 K (-223°C)

Orbital Period

103774.0 d

Distance

42.995 AU

Physical Properties

Mean Radius0 km

Mass4.0060 × 10^21 kg

Surface Gravity0.40 m/s²

Density2.600 g/cm³

Escape Velocity0.81 km/s

Mean Temperature50 K (-223°C)

Axial Tilt0.00°

Rotation Period3.92 h

AtmosphereNone

Ring SystemYes

Known Moons2

Orbital Elements (J2000)

Semi-major Axis42.994729 AU

Eccentricity0.191260

Inclination28.1900°

Orbital Period103774.00 days

Asc. Node (Ω)121.90000°

Arg. Perihelion (ω)239.04100°

Mean Anomaly (M₀)218.20500°

Perihelion5157623774.000 AU

Aphelion7706399149.000 AU

Known Moons (2)

NamakaHi'iaka

Data Sources

Physical & orbital data: Solar System OpenData API (api.le-systeme-solaire.net) · Orbital elements: NASA JPL Horizons System (J2000 epoch)