(10034) Birlan Main-belt Asteroid
Discovered on 30 December 1981 by E. Bowell at Anderson Mesa.
Mirel Birlan (b. 1963), of the Paris Observatory, Meudon, began his career in 1991 as an astronomer at the Bucharest Observatory. He has conducted observing campaigns on minor solar-system bodies and has been involved in ground-based science of Rosetta mission asteroid targets. The name was suggested by M. A. Barucci.Naming citation (WGSBN Bull. 4, #9, 5), IAU / Minor Planet Center, via NASA/JPL
Where Birlan is today
Seen from above the solar system on 2026-10-14: Birlan is 2.75 au from the Sun and 1.82 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10034 |
| Provisional designation | 1981 YG |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.2 km (#5,014 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0900 |
| Absolute magnitude (H) | 13.57 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.25 – 2.92 au |
| Eccentricity | 0.131 |
| Inclination | 14.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.