(4576) Yanotoyohiko Main-belt Asteroid
Discovered on 10 February 1988 by T. Kojima at Chiyoda.
Toyohiko Yano (b. 1952) is a professor at the Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology. His major work is materials science, particularly in the field of ceramics, and he is also a skillful electron microscopist. In their youth, he and the discoverer climbed mountains together.Naming citation (20100130/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yanotoyohiko is today
Seen from above the solar system on 2026-10-14: Yanotoyohiko is 3.07 au from the Sun and 3.44 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4576 |
| Provisional designation | 1988 CC |
| Orbit class | Main-belt Asteroid |
| Diameter | 17.2 km (#2,639 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.191 |
| Rotation period | 9.40 hours |
| Absolute magnitude (H) | 11.69 |
| Orbital period | 5.18 years |
| Semi-major axis | 2.99 au |
| Perihelion – aphelion | 2.63 – 3.36 au |
| Eccentricity | 0.122 |
| Inclination | 10.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.64 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 10 February 1988
More named asteroids discovered by T. Kojima
- (3774) Megumi
- (3786) Yamada
- (3829) Gunma
- (3995) Sakaino
- (3998) Tezuka
- (3999) Aristarchus
- (4041) Miyamotoyohko
- (4156) Okadanoboru
- (4288) Tokyotech
- (4493) Naitomitsu
- (4632) Udagawa
- (4866) Badillo
← (4575) Broman · (4577) Chikako →