(20408) Jinbeniyama Main-belt Asteroid
Discovered on 17 August 1998 by LINEAR at Socorro.
Jin Beniyama (b. 1996) is a Japanese astronomer who has contributed to observations and characterization studies of near-Earth asteroids, improving our understanding of their properties.Naming citation (WGSBN Bull. 6, #11, 18), IAU / Minor Planet Center, via NASA/JPL
Where Jinbeniyama is today
Seen from above the solar system on 2026-10-14: Jinbeniyama is 1.85 au from the Sun and 1.04 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20408 |
| Provisional designation | 1998 QW31 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.97 km (#15,301 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.419 |
| Absolute magnitude (H) | 14.56 |
| Orbital period | 3.46 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.79 – 2.79 au |
| Eccentricity | 0.220 |
| Inclination | 6.61° |
| Closest distance between its orbit and Earth's (MOID) | 0.785 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jin
All asteroids named after someone called Jin
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