(3216) Harrington Main-belt Asteroid
Discovered on 4 September 1980 by E. Bowell at Anderson Mesa.
Where Harrington is today
Seen from above the solar system on 2026-10-14: Harrington is 3.09 au from the Sun and 3.69 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3216 |
| Provisional designation | 1980 RB |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.03 km (#12,664 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.433 |
| Spectral type | S |
| Absolute magnitude (H) | 13.9 |
| Orbital period | 3.72 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 1.67 – 3.12 au |
| Eccentricity | 0.302 |
| Inclination | 4.91° |
| Closest distance between its orbit and Earth's (MOID) | 0.667 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.