(9437) Hironari Main-belt Asteroid
Discovered on 4 March 1997 by T. Kobayashi at Oizumi.
Hironari Yamane (b. 1980) has been director of the Kamagari Astronomical Observatory on an island of Kure City, Hiroshima, since 2009. He is an active member of the Japanese Society for Education and Popularization of Astronomy.Naming citation (MPC batch dated 2016-05-21), IAU / Minor Planet Center, via NASA/JPL
Where Hironari is today
Seen from above the solar system on 2026-10-14: Hironari is 2.24 au from the Sun and 1.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9437 |
| Provisional designation | 1997 EA3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.97 km (#12,808 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.234 |
| Rotation period | 4.30 hours |
| Absolute magnitude (H) | 14.45 |
| Orbital period | 3.42 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 2.23 – 2.31 au |
| Eccentricity | 0.0166 |
| Inclination | 5.48° |
| Closest distance between its orbit and Earth's (MOID) | 1.25 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 March 1997
- (7803) Adachi
- (9800) Shigetoshi
- (12477) Haiku
- (15887) Daveclark
- (17694) Jiranek
- (18561) Fengningding
- (20205) Sitanchen
- (21351) Bhagwat
- (24922) Bechtel
- (26934) Jordancotler
- (33011) Kurtiscarsch
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
← (9436) Shudo · (9438) Satie →