(63145) Choemuseon Main-belt Asteroid
Discovered on 4 December 2000 by Jeon, Y.-B., Lee, B.-C. at Bohyunsan.
Choe Museon (1325-1395) was a chemist in the late Koryeo Dynasty who was the first to study gunpowder in Korea. Gunpowder manufacturing became a highly advanced technology, into which he put enormous effort. His research helped the nation bring about political and social change.Naming citation (20040306/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Choemuseon is today
Seen from above the solar system on 2026-10-14: Choemuseon is 2.76 au from the Sun and 3.51 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 63145 |
| Provisional designation | 2000 XY13 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.89 km (#9,098 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0460 |
| Absolute magnitude (H) | 14.88 |
| Orbital period | 5.68 years |
| Semi-major axis | 3.18 au |
| Perihelion – aphelion | 2.66 – 3.71 au |
| Eccentricity | 0.165 |
| Inclination | 2.31° |
| 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 discovered on 4 December 2000
- (22173) Myersdavis
- (22174) Allisonmae
- (34666) Bohyunsan
- (67979) Michelory
- (72012) Terute
- (72021) Yisunji
- (413033) Aerts