(31975) Johndean Main-belt Asteroid
Discovered on 28 April 2000 by LINEAR at Socorro.
John L. Dean (b. 1997) was awarded second place in the 2015 Intel International Science and Engineering Fair for his physics and astronomy project. He attends the Scotia Glenville High School, Scotia, New York, U.S.A.Naming citation (MPC batch dated 2015-11-25), IAU / Minor Planet Center, via NASA/JPL
Where Johndean is today
Seen from above the solar system on 2026-10-14: Johndean is 2.58 au from the Sun and 2.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31975 |
| Provisional designation | 2000 HA13 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.98 km (#15,274 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.416 |
| Rotation period | 5.77 hours |
| Absolute magnitude (H) | 14.52 |
| Orbital period | 3.48 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.98 – 2.61 au |
| Eccentricity | 0.136 |
| Inclination | 5.93° |
| Closest distance between its orbit and Earth's (MOID) | 0.983 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called John
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- (3893) DeLaeter
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- (5207) Hearnshaw
- (5216) Cannizzo
- (5362) Johnyoung
- (5517) Johnerogers
- (5558) Johnnapier
All asteroids named after someone called John
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