(4845) Tsubetsu Main-belt Asteroid
Discovered on 5 March 1991 by Endate, K., Watanabe, K. at Kitami.
Where Tsubetsu is today
Seen from above the solar system on 2026-10-14: Tsubetsu is 2.51 au from the Sun and 1.52 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4845 |
| Provisional designation | 1991 EC1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.84 km (#6,741 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.182 |
| Rotation period | 3.04 hours |
| Spectral type | X |
| Absolute magnitude (H) | 13.31 |
| Orbital period | 3.72 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 2.24 – 2.57 au |
| Eccentricity | 0.0687 |
| Inclination | 7.58° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.