(20743) Sunhojin Outer Main-belt Asteroid
Discovered on 2 January 2000 by LINEAR at Socorro.
Sunho Jin (b. 1995) is a Korean researcher at the Korea Astronomy and Space Science Institute, South Korea. His work includes investigating the physical properties of asteroids and comets using both telescopic and spacecraft remote-sensing data. Sunho also contributes to the instrumentation of ground-based observations.Naming citation (WGSBN Bull. 6, #11, 35), IAU / Minor Planet Center, via NASA/JPL
Where Sunhojin is today
Seen from above the solar system on 2026-10-14: Sunhojin is 3.08 au from the Sun and 3.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20743 |
| Provisional designation | 2000 AR6 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 20.5 km (#2,137 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0500 |
| Absolute magnitude (H) | 12.36 |
| Orbital period | 5.82 years |
| Semi-major axis | 3.23 au |
| Perihelion – aphelion | 3.05 – 3.42 au |
| Eccentricity | 0.0576 |
| Inclination | 21.1° |
| Closest distance between its orbit and Earth's (MOID) | 2.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 January 2000
- (23110) Ericberne
- (23111) Fritzperls
- (25602) Ucaronia
- (25606) Chiangshenghao
- (27270) Guidotti
- (27314) Janemcdonald
- (45261) Decoen
- (53468) Varros
- (75564) Audubon
- (75569) IRSOL
- (121817) Szatmary