(30473) Ethanbutson Main-belt Asteroid
Discovered on 23 July 2000 by LINEAR at Socorro.
Ethan Thomas Butson (b. 1995) was awarded second place in the 2014 Intel International Science and Engineering Fair for his medicine and health sciences project. He attends the Illawarra Grammar School, Mangerton, NSW, Australia.Naming citation (MPC batch dated 2015-06-02), IAU / Minor Planet Center, via NASA/JPL
Where Ethanbutson is today
Seen from above the solar system on 2026-10-14: Ethanbutson is 2.66 au from the Sun and 3.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 30473 |
| Provisional designation | 2000 OP23 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.66 km (#5,304 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0500 |
| Absolute magnitude (H) | 14.21 |
| Orbital period | 5.29 years |
| Semi-major axis | 3.03 au |
| Perihelion – aphelion | 2.65 – 3.42 au |
| Eccentricity | 0.127 |
| Inclination | 0.872° |
| Closest distance between its orbit and Earth's (MOID) | 1.64 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ethan
All asteroids named after someone called Ethan
Also discovered on 23 July 2000
- (18905) Weigan
- (19768) Ellendoane
- (19769) Dolyniuk
- (23182) Siyaxuza
- (32213) Joshuachoe
- (32214) Colburn
- (32217) Beverlyge
- (32222) Charlesvest
- (32226) Vikulgupta
- (32229) Higashino
- (34010) Tassiloschwarz
- (34011) Divyakranthi