(4841) Manjiro Main-belt Asteroid
Discovered on 28 October 1989 by T. Seki at Geisei.
Where Manjiro is today
Seen from above the solar system on 2026-10-14: Manjiro is 2.54 au from the Sun and 3.35 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4841 |
| Provisional designation | 1989 UO3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.32 km (#10,008 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.188 |
| Rotation period | 2.66 hours |
| Absolute magnitude (H) | 13.84 |
| Orbital period | 3.51 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 2.07 – 2.55 au |
| Eccentricity | 0.103 |
| Inclination | 3.88° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.