168P/Hergenrother
168P/Hergenrother is a periodic comet in the Solar System. The comet originally named P/1998 W2 returned in 2005 and got the temporary name P/2005 N2. The comet was last observed in January 2020, and may have continued fragmenting after the 2012 outburst.
168P/Hergenrother during its 2012 outburst. By Mount Lemmon Observatory. | |
| Discovery | |
|---|---|
| Discovered by | Carl W. Hergenrother |
| Discovery date | November 22, 1998 |
| Designations | |
Alternative designations | P/1998 W2 P/2005 N2 |
| Orbital characteristics | |
| Epoch | March 6, 2006 |
| Aphelion | 5.839 AU |
| Perihelion | 1.426 AU |
| Semi-major axis | 3.632 AU |
| Eccentricity | 0.6075 |
| Orbital period | 6.923 a |
| Inclination | 21.8934° |
| Last perihelion | August 5, 2019 October 1, 2012 November 2, 2005 |
| Next perihelion | 2026-May-18 |
| Earth MOID | 0.4 AU (60 million km) |
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