|
Discovery and designation
|
|
|---|---|
| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Socorro |
| Discovery date | May 10, 1999 |
|
Designations
|
|
| MPC designation | 17988 |
| Alternate name(s) | 1999 JR62 |
| Epoch May 14, 2008 | |
| Ap | 2.5528242 |
| Peri | 2.2047842 |
| Eccentricity | 0.0731544 |
| Orbital period | 1340.0977497 |
| Mean anomaly | 176.62011 |
| Inclination | 6.01822 |
| Longitude of ascending node | 181.04094 |
| Argument of peri | 45.38335 |
| Absolute magnitude (H) | 14.8 |
17988 Joannehsieh (1999 JR62) is a main-belt asteroid discovered on May 10, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.