(12373) Lancearmstrong Main-belt Asteroid
Discovered on 15 May 1994 by C. P. de Saint-Aignan at Palomar.
Lance Armstrong (b. 1971) is an American cyclist and cancer survivor. After being diagnosed with advanced testicular cancer in 1996, he was able to return to cycling and is currently the three-time defending champion of the Tour de France. He serves as an inspiration to cancer survivors and athletes around the world.Naming citation (20011101/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Lancearmstrong is today
Seen from above the solar system on 2026-10-14: Lancearmstrong is 2.65 au from the Sun and 1.82 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12373 |
| Provisional designation | 1994 JE9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.29 km (#14,506 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.449 |
| Rotation period | 7.02 hours |
| Absolute magnitude (H) | 14.31 |
| Orbital period | 3.83 years |
| Semi-major axis | 2.45 au |
| Perihelion – aphelion | 2.17 – 2.73 au |
| Eccentricity | 0.116 |
| Inclination | 6.75° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Lance
All asteroids named after someone called Lance