(3647) Dermott Main-belt Asteroid
Discovered on 11 January 1986 by E. Bowell at Anderson Mesa.
Where Dermott is today
Seen from above the solar system on 2026-10-14: Dermott is 2.53 au from the Sun and 1.60 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3647 |
| Provisional designation | 1986 AD1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 26.8 km (#1,558 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0690 |
| Rotation period | 21.8 hours |
| Spectral type | B |
| Absolute magnitude (H) | 11.65 |
| Orbital period | 4.69 years |
| Semi-major axis | 2.80 au |
| Perihelion – aphelion | 2.52 – 3.09 au |
| Eccentricity | 0.102 |
| Inclination | 8.05° |
| Closest distance between its orbit and Earth's (MOID) | 1.51 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.