(4293) Masumi Main-belt Asteroid
Discovered on 1 November 1989 by Y. Oshima at Gekko.
Where Masumi is today
Seen from above the solar system on 2026-10-14: Masumi is 2.43 au from the Sun and 3.39 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4293 |
| Provisional designation | 1989 VT |
| Orbit class | Main-belt Asteroid |
| Diameter | 15.8 km (#2,941 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.112 |
| Rotation period | 36.0 hours |
| Absolute magnitude (H) | 12.38 |
| Orbital period | 4.49 years |
| Semi-major axis | 2.72 au |
| Perihelion – aphelion | 2.11 – 3.33 au |
| Eccentricity | 0.225 |
| Inclination | 9.37° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 1 November 1989
More named asteroids discovered by Y. Oshima
- (3843) OISCA
- (4157) Izu
- (4261) Gekko
- (4383) Suruga
- (4403) Kuniharu
- (4715) Medesicaste
- (4840) Otaynang
- (5123) Cynus
- (5206) Kodomonomori
- (5258) Rhoeo
- (5282) Yamatotakeru
- (5353) Baillie
← (4292) Aoba · (4294) Horatius →