(90817) Doylehall Main-belt Asteroid
Discovered on 1 September 1995 by AMOS at Haleakala.
Doyle Hall is an astronomer and a key member of the Air Force Maui and Supercomputing (AMOS) team, which supports a number of minor planet programs, including JPL's Near-Earth Asteroid Tracking program.Naming citation (20050919/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Doylehall is today
Seen from above the solar system on 2026-10-14: Doylehall is 2.56 au from the Sun and 1.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 90817 |
| Provisional designation | 1995 RO |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.48 km (#11,673 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0610 |
| Absolute magnitude (H) | 15.85 |
| Orbital period | 4.45 years |
| Semi-major axis | 2.71 au |
| Perihelion – aphelion | 2.35 – 3.06 au |
| Eccentricity | 0.132 |
| Inclination | 7.29° |
| Closest distance between its orbit and Earth's (MOID) | 1.36 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.