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 | |
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[1][2] July 9, 2012[1] December 22, 2002 |
Next perihelion | 2031-Jul-09[3] |
The comet came to perihelion on 9 July 2012,[1] and reached about apparent magnitude 17.[4]
References
External links
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 152P/Helin-Lawrence – Seiichi Yoshida @ aerith.net
- Elements and Ephemeris for 152P/Helin-Lawrence – Minor Planet Center
- 152P at Kronk's Cometography