(12226) Caseylisse Main-belt Asteroid
Discovered on 15 October 1985 by E. Bowell at Anderson Mesa.
Carey M. (“Casey”) Lisse (b. 1961) is an expert on cometary dust and has made significant contributions to understanding the size distribution of the dust using infrared observations. The name was suggested by M. F. A'Hearn.Naming citation (20011130/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Caseylisse is today
Seen from above the solar system on 2026-10-14: Caseylisse is 2.11 au from the Sun and 1.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12226 |
| Provisional designation | 1985 TN |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.87 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.92 – 2.65 au |
| Eccentricity | 0.161 |
| Inclination | 4.98° |
| Closest distance between its orbit and Earth's (MOID) | 0.923 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 15 October 1985
- (3564) Talthybius
- (3595) Gallagher
- (3639) Weidenschilling
- (4057) Demophon
- (4281) Pounds
- (4445) Jimstratton
- (4446) Carolyn
- (4665) Muinonen
- (4696) Arpigny
- (4739) Tomahrens
- (5463) Danwelcher
- (5554) Keesey