(3843) OISCA Outer Main-belt Asteroid
Discovered on 28 February 1987 by Y. Oshima at Gekko.
Where OISCA is today
Seen from above the solar system on 2026-10-14: OISCA is 3.88 au from the Sun and 4.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3843 |
| Provisional designation | 1987 DM |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 30.8 km (#1,328 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.108 |
| Rotation period | 19.1 hours |
| Absolute magnitude (H) | 10.77 |
| Orbital period | 8.01 years |
| Semi-major axis | 4.00 au |
| Perihelion – aphelion | 3.40 – 4.61 au |
| Eccentricity | 0.150 |
| Inclination | 3.92° |
| Closest distance between its orbit and Earth's (MOID) | 2.41 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.