(3390) Demanet Main-belt Asteroid
Discovered on 2 March 1984 by H. Debehogne at La Silla.
Where Demanet is today
Seen from above the solar system on 2026-10-14: Demanet is 2.50 au from the Sun and 1.68 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3390 |
| Provisional designation | 1984 ES1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.06 km (#10,491 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.274 |
| Rotation period | 2.59 hours |
| Absolute magnitude (H) | 13.41 |
| Orbital period | 3.38 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 1.99 – 2.51 au |
| Eccentricity | 0.116 |
| Inclination | 3.38° |
| Closest distance between its orbit and Earth's (MOID) | 0.981 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 March 1984
More named asteroids discovered by H. Debehogne
- (2364) Seillier
- (2543) Machado
- (2590) Mourao
- (2673) Lossignol
- (2707) Ueferji
- (2814) Vieira
- (2852) Declercq
- (2926) Caldeira
- (3002) Delasalle
- (3138) Ciney
- (3274) Maillen
- (3365) Recogne
← (3389) Sinzot · (3391) Sinon →