(9422) Kuboniwa Main-belt Asteroid
Discovered on 13 January 1996 by T. Kobayashi at Oizumi.
Atsuo Kuboniwa (b. 1964) is a science torch-bearer and an amateur astronomer. He has been engaged in activities to disseminate science to young people in various occasions for many years. ‘Whisper of the Universe’, which was serialized in the newspaper Ibarakishinbun in 2013, is a gem of an astronomy essay.Naming citation (WGSBN Bull. 3, #13, 12), IAU / Minor Planet Center, via NASA/JPL
Where Kuboniwa is today
Seen from above the solar system on 2026-10-14: Kuboniwa is 2.14 au from the Sun and 2.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9422 |
| Provisional designation | 1996 AO2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.63 km (#11,366 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.207 |
| Rotation period | 5.47 hours |
| Absolute magnitude (H) | 14.3 |
| Orbital period | 3.86 years |
| Semi-major axis | 2.46 au |
| Perihelion – aphelion | 2.08 – 2.84 au |
| Eccentricity | 0.154 |
| Inclination | 1.44° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 13 January 1996
- (9654) Seitennokai
- (11615) Naoya
- (14056) Kainar
- (15851) Chrisfleming
- (22426) Mikehanes
- (37699) Santini-Aichl
More named asteroids discovered by T. Kobayashi
- (4807) Noboru
- (5924) Teruo
- (6275) Kiryu
- (6276) Kurohone
- (6346) Syukumeguri
- (6414) Mizunuma
- (6418) Hanamigahara
- (6420) Riheijyaya
- (6422) Akagi
- (6423) Harunasan
- (6462) Myougi
- (6531) Subashiri
← (9421) Violilla · (9423) Abt →