Haumea
E19352
Kuiper Belt object
celestial body
dwarf planet
minor planet
ringed dwarf planet
trans-Neptunian object
Haumea is an elongated, fast-spinning dwarf planet in the Kuiper Belt notable for its rapid rotation, ring system, and two known moons.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| 136108 Haumea | 1 |
| 2003 EL61 | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Kuiper Belt object
ⓘ
celestial body ⓘ dwarf planet ⓘ minor planet ⓘ ringed dwarf planet ⓘ trans-Neptunian object ⓘ |
| absoluteMagnitude | about 0.2 ⓘ |
| albedo | high geometric albedo ⓘ |
| alternativeName |
Haumea
ⓘ
surface form:
2003 EL61
|
| aphelionDistance | about 51.5 astronomical units ⓘ |
| argumentOfPerihelion | about 240.6 degrees ⓘ |
| belongsToDynamicalClass | Haumea family ⓘ |
| density | about 1.9 to 2.0 grams per cubic centimeter ⓘ |
| discoveredBy |
José Luis Ortiz Moreno
ⓘ
Sierra Nevada Observatory team ⓘ |
| discoveryDate | 2004-03-07 ⓘ |
| eccentricity | about 0.19 ⓘ |
| equilibriumFigure | Jacobi ellipsoid ⓘ |
| hasMoon |
Hiʻiaka
ⓘ
Namaka ⓘ |
| hasRapidRotation | true ⓘ |
| hasRingSystem | true ⓘ |
| hasSurfaceFeature | dark red spot ⓘ |
| inclination | about 28.2 degrees ⓘ |
| isElongatedDueTo | rapid rotation ⓘ |
| isInHydrostaticEquilibrium | likely ⓘ |
| isNamesakeOf | Haumea family ⓘ |
| longitudeOfAscendingNode | about 122.2 degrees ⓘ |
| mass | about 4.0×10^21 kilograms ⓘ |
| meanAnomaly | about 205.5 degrees ⓘ |
| moonDiscoveryYear | 2005 ⓘ |
| mpcDesignation |
Haumea
self-linksurface differs
ⓘ
surface form:
136108 Haumea
|
| namedAfter | Hawaiian goddess Haumea ⓘ |
| orbitalPeriod | about 284 Earth years ⓘ |
| orbitalRegion |
outer Solar System
ⓘ
surface form:
Kuiper Belt
|
| orbits | Sun ⓘ |
| perihelionDistance | about 34.7 astronomical units ⓘ |
| recognizedAsDwarfPlanetBy | International Astronomical Union ⓘ |
| ringDiscoveryYear | 2017 ⓘ |
| ringName | Hiʻiaka ring ⓘ |
| ringPlane | aligned with Haumea equator ⓘ |
| ringRadius | about 2287 kilometers from center ⓘ |
| rotationPeriod | about 3.9 hours ⓘ |
| rotationState | non-synchronous with moons ⓘ |
| semiMajorAxis | about 43.1 astronomical units ⓘ |
| shape | highly elongated ⓘ |
| spectralType | neutral to slightly blue ⓘ |
| surfaceComposition | water ice rich ⓘ |
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
2003 EL61
subject surface form:
Kuiper Belt object
this entity surface form:
136108 Haumea