(45300) Thewrewk Main-belt Asteroid
Discovered on 1 January 2000 by Sarneczky, K., Kiss, L. at Piszkesteto.
Aurél Ponori Thewrewk (b. 1921) was director of Urania Public Observatory and Budapest Planetarium. Currently honorary president of the Hungarian Astronomical Association, he is a recognized expert on the history of astronomy.Naming citation (20050125/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Thewrewk is today
Seen from above the solar system on 2026-10-14: Thewrewk is 3.30 au from the Sun and 3.51 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 45300 |
| Provisional designation | 2000 AF45 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.2 km (#3,644 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0770 |
| Absolute magnitude (H) | 13.16 |
| Orbital period | 5.46 years |
| Semi-major axis | 3.10 au |
| Perihelion – aphelion | 2.86 – 3.34 au |
| Eccentricity | 0.0781 |
| Inclination | 10.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.87 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Aurel
All asteroids named after someone called Aurel
Also discovered on 1 January 2000
- (16154) Dabramo
- (25601) Francopacini
- (43193) Secinaro
- (47473) Lorenzopinna
- (67070) Rinaldi
- (75570) Jenowigner
- (80451) Alwoods