38628 Huya
A trans-Neptunian object about 407 km across, 39.3 AU out and 245.9 years to a lap of the Sun.
Where it is right now
38628 Huya is in Ophiuchus, 28.7 AU away, magnitude 19.6.
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
- 407 kmSource: Published occultation and Herschel/Spitzer radiometry results
- Orbital period
- 245.9 yearsSource: NASA/JPL Small-Body Database
- Distance from the Sun
- 39.251 AU on averageSource: NASA/JPL Small-Body Database
- Orbit shape
- eccentricity 0.274, inclined 15.5 degrees to the eclipticSource: NASA/JPL Small-Body Database
- Class
- Trans-neptunian objectSource: NASA/JPL Small-Body Database
- Discovered
- 2000-Mar-10 by Ferrin, I.Source: NASA/JPL Small-Body Database
Physical size
- Mean radius
- 204 km
- Diameter
- 407 km across
- Absolute magnitude H
- 4.79
Orbit
Elements are heliocentric, referred to the J2000.0 ecliptic.
- Average distance from the Sun
- 39.251 AU (5,871.9 million km)
- Closest and furthest
- 28.508 AU (4,264.7 million km) to 49.994 AU (7,479.0 million km)
- Eccentricity
- 0.2737, noticeably elliptical
- Inclination to the ecliptic
- 15.48 degrees
- Orbital period
- 246 years
- Longitude of ascending node
- 169.28 degrees
- Argument of periapsis
- 67.47 degrees
- Mean anomaly at J2000.0
- 338.13 degrees
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Catalog id huya. 3,172 objects on the map, of which 171 are hand-authored with sourced facts.