(3370) Kohsai Main-belt Asteroid
Discovered on 4 February 1934 by K. Reinmuth at Heidelberg.
Where Kohsai is today
Seen from above the solar system on 2026-10-14: Kohsai is 2.16 au from the Sun and 3.06 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3370 |
| Provisional designation | 1934 CU |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.42 km (#9,843 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.288 |
| Rotation period | 4.91 hours |
| Absolute magnitude (H) | 13.59 |
| Orbital period | 3.30 years |
| Semi-major axis | 2.22 au |
| Perihelion – aphelion | 1.97 – 2.46 au |
| Eccentricity | 0.109 |
| Inclination | 7.11° |
| Closest distance between its orbit and Earth's (MOID) | 1.00 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.