|
Discovery and designation
|
|
|---|---|
| Discovered by | Eleanor F. Helin |
| Discovery site | Palomar |
| Discovery date | March 5, 1989 |
|
Designations
|
|
| MPC designation | 4104 |
| Named after | Jeff T. Alu |
| Alternate name(s) | 1989 ED |
| Epoch May 14, 2008 | |
| Ap | 2.8095941 |
| Peri | 2.2788851 |
| Eccentricity | 0.1042962 |
| Orbital period | 1482.2977212 |
| Mean anomaly | 143.32822 |
| Inclination | 15.69467 |
| Longitude of ascending node | 52.12912 |
| Argument of peri | 242.56720 |
| Absolute magnitude (H) | 12.5 |
4104 Alu (1989 ED) is a main belt asteroid discovered on March 5, 1989 by Eleanor F. Helin at Palomar.
|
|||||
|
||||||||||||||||||||||