Wikipedia:
| Découvreurs | Richard M. West et Malcolm Hartley |
|---|---|
| Date | |
| Désignations | 123P/1995 S2, 123P/1989 E3, 1988 XVI, 1989k |
| Orbital Period | 7,580 a |
|---|---|
| Last Perihelion |
July 4, 2011 feb 4, 2019 |
| Next Perihelion |
August 2026 |
01/04/2019 – 30x120s
123/P West-Hartley (P/1989 E3)
