15760 Albion
The first Kuiper belt object ever found, and the reason we know the belt exists.
Where it is right now
15760 Albion is in Aries, 41.8 AU away, magnitude 23.6.
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
- 108 kmSource: Published occultation and Herschel/Spitzer radiometry results
- Orbital period
- 293.2 yearsSource: NASA/JPL Small-Body Database
- Distance from the Sun
- 44.131 AU on averageSource: NASA/JPL Small-Body Database
- Orbit shape
- eccentricity 0.071, inclined 2.2 degrees to the eclipticSource: NASA/JPL Small-Body Database
- Class
- Trans-neptunian objectSource: NASA/JPL Small-Body Database
- Discovered
- 1992-Aug-30 by Jewitt, D. C., Luu, J. X.Source: NASA/JPL Small-Body Database
Physical size
- Mean radius
- 54.0 km
- Diameter
- 108 km across
- Absolute magnitude H
- 7.18
Orbit
Elements are heliocentric, referred to the J2000.0 ecliptic.
- Average distance from the Sun
- 44.131 AU (6,601.9 million km)
- Closest and furthest
- 40.991 AU (6,132.2 million km) to 47.271 AU (7,071.7 million km)
- Eccentricity
- 0.0712, slightly elliptical
- Inclination to the ecliptic
- 2.19 degrees
- Orbital period
- 293 years
- Longitude of ascending node
- 359.50 degrees
- Argument of periapsis
- 6.38 degrees
- Mean anomaly at J2000.0
- 3.80 degrees
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Catalog id albion. 3,172 objects on the map, of which 171 are hand-authored with sourced facts.