(5331) Erimomisaki Main-belt Asteroid
Discovered on 27 January 1990 by Endate, K., Watanabe, K. at Kitami.
Where Erimomisaki is today
Seen from above the solar system on 2026-10-14: Erimomisaki is 2.45 au from the Sun and 2.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5331 |
| Provisional designation | 1990 BT1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.21 km (#5,617 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.202 |
| Rotation period | 24.3 hours |
| Absolute magnitude (H) | 13.06 |
| Orbital period | 4.61 years |
| Semi-major axis | 2.77 au |
| Perihelion – aphelion | 1.69 – 3.84 au |
| Eccentricity | 0.388 |
| Inclination | 12.1° |
| Closest distance between its orbit and Earth's (MOID) | 0.749 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.