| Discovery | |
|---|---|
| Discovered by: | Malcolm Hartley IRAS |
| Discovery date: | November 4, 1983 |
| Alternate designations: | 1984 III; 2004 V2 |
| Orbital characteristics A | |
| Epoch: | March 6, 2006 |
| Aphelion: | 14.19 AU |
| Perihelion: | 1.275 AU |
| Semi-major axis: | 7.734 AU |
| Eccentricity: | 0.8351 |
| Orbital period: | 21.51 a |
| Inclination: | 95.6899° |
| Last perihelion: | June 20, 2005 |
| Next perihelion: | November 27, 2026 |
161P/Hartley-IRAS is a periodic comet in our solar system.
| Periodic comets (by number) | ||
|---|---|---|
| Previous 160P/LINEAR |
161P/Hartley–IRAS | Next 162P/Siding Spring |