(4844) Matsuyama Main-belt Asteroid
Discovered on 23 January 1991 by Ueda, S., Kaneda, H. at Kushiro.
Where Matsuyama is today
Seen from above the solar system on 2026-10-14: Matsuyama is 3.08 au from the Sun and 2.69 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4844 |
| Provisional designation | 1991 BA2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.58 km (#7,029 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.337 |
| Rotation period | 2.72 hours |
| Spectral type | S |
| Absolute magnitude (H) | 12.67 |
| Orbital period | 4.08 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 1.99 – 3.11 au |
| Eccentricity | 0.219 |
| Inclination | 5.96° |
| Closest distance between its orbit and Earth's (MOID) | 0.982 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.