(6129) Demokritos Main-belt Asteroid
Discovered on 4 September 1989 by E. W. Elst at Haute Provence.
Where Demokritos is today
Seen from above the solar system on 2026-10-14: Demokritos is 2.79 au from the Sun and 2.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6129 |
| Provisional designation | 1989 RB2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 17.1 km (#2,649 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0710 |
| Spectral type | Ch |
| Absolute magnitude (H) | 12.99 |
| Orbital period | 4.67 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.31 – 3.27 au |
| Eccentricity | 0.172 |
| Inclination | 6.52° |
| Closest distance between its orbit and Earth's (MOID) | 1.31 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by E. W. Elst
- (3631) Sigyn
- (3784) Chopin
- (3870) Mayre
- (3903) Kliment Ohridski
- (3910) Liszt
- (3912) Troja
- (3918) Brel
- (4038) Kristina
- (4226) Damiaan
- (4342) Freud
- (4344) Buxtehude
- (4345) Rachmaninoff
← (6128) Lasorda · (6130) Hutton →