(13273) Cornwell Main-belt Asteroid
Discovered on 17 August 1998 by LINEAR at Socorro.
Walker Cornwell mentored a finalist in the 2019 Broadcom MASTERS, a math and science competition for middle-school students. He teaches at the Saint Joseph Catholic Middle School, Ogden, Utah.Naming citation (WGSBN Bull. 3, #2, 9), IAU / Minor Planet Center, via NASA/JPL
Where Cornwell is today
Seen from above the solar system on 2026-10-14: Cornwell is 2.02 au from the Sun and 2.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13273 |
| Provisional designation | 1998 QW37 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.91 km (#15,431 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.331 |
| Absolute magnitude (H) | 14.9 |
| Orbital period | 3.25 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 1.97 – 2.42 au |
| Eccentricity | 0.103 |
| Inclination | 4.68° |
| Closest distance between its orbit and Earth's (MOID) | 0.975 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 17 August 1998
- (9474) Cassadrury
- (9476) Vincenthuang
- (9477) Kefennell
- (10635) Chiragkumar
- (11189) Rabeaton
- (11369) Brazelton
- (11370) Nabrown
- (11371) Camley
- (11372) Aditisingh
- (11373) Carbonaro
- (11737) Gregneat
- (12545) Taniamurphy