(12224) Jimcornell Main-belt Asteroid
Discovered on 19 October 1984 by Oak Ridge Observatory at Harvard.
Public Affairs Manager for the Smithsonian Astrophysical Observatory for 37 years, James Cornell (b. 1938) provided media services, organized lecture series and produced award-winning books and documentaries. As president of the International Science Writers Association he created a forum for journalists in the developing world.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Jimcornell is today
Seen from above the solar system on 2026-10-14: Jimcornell is 3.06 au from the Sun and 3.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12224 |
| Provisional designation | 1984 UN2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.27 km (#8,557 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.179 |
| Absolute magnitude (H) | 13.8 |
| Orbital period | 4.97 years |
| Semi-major axis | 2.91 au |
| Perihelion – aphelion | 2.76 – 3.07 au |
| Eccentricity | 0.0524 |
| Inclination | 1.61° |
| Closest distance between its orbit and Earth's (MOID) | 1.75 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.