152P/Helin–Lawrence
152P/Helin–Lawrence is a periodic comet in the Solar System.
| Discovery | |
|---|---|
| Discovered by | Eleanor F. Helin Kenneth J. Lawrence |
| Discovery date | May 17, 1993 |
| Designations | |
Alternative designations | 1993 XI; 2001 Y1 |
| Orbital characteristics | |
| Epoch | March 6, 2006 |
| Aphelion | 5.884 AU |
| Perihelion | 3.108 AU |
| Semi-major axis | 4.496 AU |
| Eccentricity | 0.3087 |
| Orbital period | 9.534 a |
| Inclination | 9.8707° |
| Last perihelion | January 13, 2022 July 9, 2012 December 22, 2002 |
| Next perihelion | 2031-Jul-09 |
The comet came to perihelion on 9 July 2012, and reached about apparent magnitude 17.
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