|
Discovery and designation
|
|
|---|---|
| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Socorro |
| Discovery date | May 13, 1999 |
|
Designations
|
|
| MPC designation | 18016 |
| Alternate name(s) | 1999 JU122 |
| Epoch May 14, 2008 | |
| Ap | 2.5517877 |
| Peri | 2.2237369 |
| Eccentricity | 0.0686942 |
| Orbital period | 1347.6746380 |
| Mean anomaly | 147.67447 |
| Inclination | 6.73383 |
| Longitude of ascending node | 232.26693 |
| Argument of peri | 26.54588 |
| Absolute magnitude (H) | 14.3 |
18016 Grondahl (1999 JU122) is a main-belt asteroid discovered on May 13, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.