(90446) Truesdell Main-belt Asteroid
Discovered on 28 January 2004 by CSS at Catalina.
Robert Truesdell (b. 1967) is a Tucson businessman and gifted amateur paleontologist specializing in the fossils of the American southwest.Naming citation (20090209/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Truesdell is today
Seen from above the solar system on 2026-10-14: Truesdell is 1.85 au from the Sun and 2.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 90446 |
| Provisional designation | 2004 BL107 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.58 |
| Orbital period | 3.61 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 1.85 – 2.86 au |
| Eccentricity | 0.215 |
| Inclination | 5.59° |
| Closest distance between its orbit and Earth's (MOID) | 0.838 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Robert
- (1955) McMath
- (3514) Hooke
- (3875) Staehle
- (4564) Clayton
- (4809) Robertball
- (5109) Robertmiller
- (5308) Hutchison
- (5477) Holmes
- (5585) Parks
- (5636) Jacobson
- (5739) Robertburns
- (5817) Robertfrazer
All asteroids named after someone called Robert
Also discovered on 28 January 2004
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← (90429) Wetmore · (90447) Emans →