152P/Helin–Lawrence

152P/Helin–Lawrence is a periodic comet in the Solar System.

152P/Helin-Lawrence

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[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]