|
Discovery and designation
|
|
|---|---|
| Discovered by | E. W. Elst |
| Discovery site | La Silla |
| Discovery date | March 2, 1990 |
|
Designations
|
|
| MPC designation | 5780 |
| Named after | Jean de La Fontaine |
| Alternate name(s) | 1990 EJ2 |
| Epoch May 14, 2008 | |
| Ap | 3.7625749 |
| Peri | 2.9445719 |
| Eccentricity | 0.1219599 |
| Orbital period | 2243.1594852 |
| Mean anomaly | 166.26730 |
| Inclination | 8.68043 |
| Longitude of ascending node | 233.56421 |
| Argument of peri | 116.03821 |
| Absolute magnitude (H) | 11.8 |
5780 Lafontaine (1990 EJ2) is an outer main-belt asteroid discovered on March 2, 1990 by E. W. Elst at La Silla. It is named for the French lyric poet Jean de La Fontaine.[1]