(8399) Wakamatsu Main-belt Asteroid
Discovered on 2 January 1994 by T. Kobayashi at Oizumi.
Ken-ichi Wakamatsu (b. 1942) is a professor at Gifu University and serves as the vice-president of the Astronomical Society of Japan. He has studied the structure and dynamics of clusters of galaxies in optical and radio ranges, and he also worked on an 11-m radio telescope for e-VLBI network in Japan.Naming citation (20040928/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Wakamatsu is today
Seen from above the solar system on 2026-10-14: Wakamatsu is 2.72 au from the Sun and 2.09 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8399 |
| Provisional designation | 1994 AD |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.78 km (#9,262 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0640 |
| Absolute magnitude (H) | 15.04 |
| Orbital period | 3.79 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.14 – 2.73 au |
| Eccentricity | 0.120 |
| Inclination | 1.17° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 January 1994
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
← (8398) Rubbia · (8400) Tomizo →