(3952) Russellmark Main-belt Asteroid
Discovered on 14 March 1986 by Bulgarian National Observatory at Smolyan.
Where Russellmark is today
Seen from above the solar system on 2026-10-14: Russellmark is 2.24 au from the Sun and 3.20 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3952 |
| Provisional designation | 1986 EM2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.66 km (#11,316 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.246 |
| Rotation period | 5.09 hours |
| Absolute magnitude (H) | 14.21 |
| Orbital period | 3.69 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 2.02 – 2.75 au |
| Eccentricity | 0.154 |
| Inclination | 1.95° |
| Closest distance between its orbit and Earth's (MOID) | 1.03 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by Bulgarian National Observatory
- (3546) Atanasoff
- (4400) Bagryana
- (4477) Kelley
- (4583) Lugo
- (4891) Blaga
- (8260) Momcheva
- (10059) McCullough
- (800113) Zaharydonchev
← (3951) Zichichi · (3953) Perth →