(5783) Kumagaya Main-belt Asteroid
Discovered on 5 February 1991 by Hioki, T., Hayakawa, S. at Okutama.
Where Kumagaya is today
Seen from above the solar system on 2026-10-14: Kumagaya is 2.32 au from the Sun and 1.69 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5783 |
| Provisional designation | 1991 CO |
| Orbit class | Main-belt Asteroid |
| Rotation period | 3.66 hours |
| Absolute magnitude (H) | 13.5 |
| Orbital period | 3.38 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 2.18 – 2.32 au |
| Eccentricity | 0.0307 |
| Inclination | 5.81° |
| Closest distance between its orbit and Earth's (MOID) | 1.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.