(3823) Yorii Main-belt Asteroid
Discovered on 10 March 1988 by Arai, M., Mori, H. at Yorii.
Where Yorii is today
Seen from above the solar system on 2026-10-14: Yorii is 3.29 au from the Sun and 4.04 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3823 |
| Provisional designation | 1988 EC1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.4 km (#3,915 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0910 |
| Rotation period | 6.67 hours |
| Absolute magnitude (H) | 13.2 |
| Orbital period | 5.38 years |
| Semi-major axis | 3.07 au |
| Perihelion – aphelion | 2.32 – 3.82 au |
| Eccentricity | 0.245 |
| Inclination | 5.51° |
| Closest distance between its orbit and Earth's (MOID) | 1.33 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.