(5070) Arai Main-belt Asteroid
Discovered on 9 December 1991 by Ueda, S., Kaneda, H. at Kushiro.
Where Arai is today
Seen from above the solar system on 2026-10-14: Arai is 3.06 au from the Sun and 3.78 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5070 |
| Provisional designation | 1991 XT |
| Orbit class | Main-belt Asteroid |
| Diameter | 28.5 km (#1,447 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0792 |
| Rotation period | 53.0 hours |
| Absolute magnitude (H) | 11.87 |
| Orbital period | 5.48 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.93 – 3.29 au |
| Eccentricity | 0.0595 |
| Inclination | 6.00° |
| Closest distance between its orbit and Earth's (MOID) | 1.93 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.