136108 Haumea
Spun into an egg 2,100 km long by a four-hour day, and the first Kuiper belt object found to have rings.
Where it is right now
136108 Haumea is in Bootes, 49.9 AU away, magnitude 17.3.
Computed for 2 August 2026, 17:00 UTC, and recomputed at least hourly. This page is cached, so treat the line above as accurate to the hour rather than to the second. The map shows the live position.
Position from a Kepler propagation of the published elements below, accurate to about an arcminute.
Facts
Every line carries the source it came from.
- Diameter
- 1,560 kmSource: Published occultation and Herschel/Spitzer radiometry results
- Orbital period
- 282.6 yearsSource: NASA/JPL Small-Body Database
- Distance from the Sun
- 43.060 AU on averageSource: NASA/JPL Small-Body Database
- Orbit shape
- eccentricity 0.194, inclined 28.2 degrees to the eclipticSource: NASA/JPL Small-Body Database
- Class
- Trans-neptunian objectSource: NASA/JPL Small-Body Database
- Discovered
- 2003-Mar-07 by Aceituno, F. J., Santos-Sanz, P., Ortiz, J. L.Source: NASA/JPL Small-Body Database
Physical size
- Mean radius
- 780 km
- Diameter
- 1,560 km across
- Absolute magnitude H
- 0.14
Orbit
Elements are heliocentric, referred to the J2000.0 ecliptic.
- Average distance from the Sun
- 43.060 AU (6,441.7 million km)
- Closest and furthest
- 34.688 AU (5,189.2 million km) to 51.433 AU (7,694.3 million km)
- Eccentricity
- 0.1944, noticeably elliptical
- Inclination to the ecliptic
- 28.21 degrees
- Orbital period
- 283 years
- Longitude of ascending node
- 121.79 degrees
- Argument of periapsis
- 240.69 degrees
- Mean anomaly at J2000.0
- 189.53 degrees
Claim this body
$99 once, and it stays yours
Pluto, Ceres, Eris, Makemake, Haumea. Five exist, ever.
A claim is a listing on this map. Not an IAU designation. Permanent, with one disclosed exception for dead links: see the terms.
Catalog id haumea. 3,172 objects on the map, of which 171 are hand-authored with sourced facts.