(4441) Toshie Main-belt Asteroid
Discovered on 26 January 1985 by T. Seki at Geisei.
Where Toshie is today
Seen from above the solar system on 2026-10-14: Toshie is 3.01 au from the Sun and 4.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4441 |
| Provisional designation | 1985 BB |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.45 km (#8,306 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.154 |
| Rotation period | 8.18 hours |
| Absolute magnitude (H) | 13.46 |
| Orbital period | 5.09 years |
| Semi-major axis | 2.96 au |
| Perihelion – aphelion | 2.83 – 3.09 au |
| Eccentricity | 0.0440 |
| Inclination | 2.30° |
| Closest distance between its orbit and Earth's (MOID) | 1.81 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.