(6097) Koishikawa Main-belt Asteroid
Discovered on 29 October 1991 by Endate, K., Watanabe, K. at Kitami.
Where Koishikawa is today
Seen from above the solar system on 2026-10-14: Koishikawa is 2.10 au from the Sun and 1.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6097 |
| Provisional designation | 1991 UK2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.22 km (#10,193 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.448 |
| Rotation period | 2.86 hours |
| Absolute magnitude (H) | 13.47 |
| Orbital period | 3.51 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 2.09 – 2.52 au |
| Eccentricity | 0.0928 |
| Inclination | 6.14° |
| 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 29 October 1991
- (6607) Matsushima
- (9599) Onotomoko
- (12734) Haruna
- (13540) Kazukitakahashi
- (14426) Katotsuyoshi
- (20018) Paulgray
- (23495) Nagaotoshiko