(18115) Rathbun Main-belt Asteroid
Discovered on 5 July 2000 by LONEOS at Anderson Mesa.
Donald Rathbun (b. 1923) is a distinguished neurologist. Founder of the Epilepsy Association of El Paso, Rathbun also served on the Texas state board of United Cerebral Palsy, served as vice president of the State Development Disabilities Council and was elected to the Explorers Club.Naming citation (20060613/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rathbun is today
Seen from above the solar system on 2026-10-14: Rathbun is 2.73 au from the Sun and 1.94 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18115 |
| Provisional designation | 2000 NT19 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.24 km (#10,153 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.177 |
| Absolute magnitude (H) | 14.13 |
| Orbital period | 5.16 years |
| Semi-major axis | 2.99 au |
| Perihelion – aphelion | 2.73 – 3.24 au |
| Eccentricity | 0.0859 |
| Inclination | 10.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.73 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Donald
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- (9448) Donaldavies
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- (11419) Donjohnson
All asteroids named after someone called Donald
Also discovered on 5 July 2000
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