|
Discovery and designation
|
|
|---|---|
| Discovered by | C. S. Shoemaker and E. M. Shoemaker |
| Discovery site | Palomar |
| Discovery date | September 2, 1989 |
|
Designations
|
|
| MPC designation | 19140 |
| Named after | Jan Smit |
| Alternate name(s) | 1989 RJ2 |
| Epoch May 14, 2008 | |
| Ap | 2.9139711 |
| Peri | 1.7332061 |
| Eccentricity | 0.2540822 |
| Orbital period | 1293.7110836 |
| Mean anomaly | 82.29149 |
| Inclination | 21.62585 |
| Longitude of ascending node | 250.05871 |
| Argument of peri | 131.71114 |
| Absolute magnitude (H) | 14.1 |
19140 Jansmit (1989 RJ2) is a main-belt asteroid discovered on September 2, 1989 by C. S. Shoemaker and E. M. Shoemaker at Palomar.