(3439) Lebofsky Main-belt Asteroid
Discovered on 4 September 1983 by E. Bowell at Anderson Mesa.
Where Lebofsky is today
Seen from above the solar system on 2026-10-14: Lebofsky is 3.09 au from the Sun and 3.60 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3439 |
| Provisional designation | 1983 RL2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.76 km (#5,949 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.303 |
| Rotation period | 5.97 hours |
| Absolute magnitude (H) | 12.48 |
| Orbital period | 4.55 years |
| Semi-major axis | 2.75 au |
| Perihelion – aphelion | 2.37 – 3.12 au |
| Eccentricity | 0.136 |
| Inclination | 4.73° |
| Closest distance between its orbit and Earth's (MOID) | 1.36 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.