(6420) Riheijyaya Main-belt Asteroid
Discovered on 14 December 1993 by T. Kobayashi at Oizumi.
Riheijyaya is a beautiful forest park in the western part of Kurohone village, Gunma prefecture.Naming citation (19991123/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Riheijyaya is today
Seen from above the solar system on 2026-10-14: Riheijyaya is 3.20 au from the Sun and 4.19 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6420 |
| Provisional designation | 1993 XG1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.3 km (#3,616 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.145 |
| Rotation period | 8.25 hours |
| Absolute magnitude (H) | 12.47 |
| Orbital period | 5.16 years |
| Semi-major axis | 2.99 au |
| Perihelion – aphelion | 2.67 – 3.30 au |
| Eccentricity | 0.106 |
| Inclination | 8.91° |
| Closest distance between its orbit and Earth's (MOID) | 1.67 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 14 December 1993
More named asteroids discovered by T. Kobayashi
- (4807) Noboru
- (5924) Teruo
- (6275) Kiryu
- (6276) Kurohone
- (6346) Syukumeguri
- (6414) Mizunuma
- (6418) Hanamigahara
- (6422) Akagi
- (6423) Harunasan
- (6462) Myougi
- (6531) Subashiri
- (6663) Tatebayashi
← (6419) Susono · (6422) Akagi →