164P/Christensen

Jupiter-family comet other comets of the same name Comet Christensen October 2026 164P/Christensen 164P 2018-11-04 image ZTF-sso-572-zg-size-6.4arcmin.png Comet Christensen 2 imaged from the Zwicky Transient Facility on 4 November 2018 IAUC_8458 Eric J. Christensen 21 December 2004 P/2004 Y1 Christensen 2nasa-pds jpldata MPC 9 June 2026 (JD 2461200.5) 28.35 yearsobs_arc 24 January 1998IAUC_8474 2,229 1.674 AU 5.626 AU 3.650 AU 0.54136 6.974 years 16.275° 88.259° 325.89° 53.379° 2.777 0.722 AU 0.278 AU jpldata 1.945 km miKwon_2026 14.3 27 May 2025 April–May 2032 164P/Christensen, also known as Comet Christensen 2, is a Jupiter-family comet with a 6.97-year orbit around the Sun. It is one of several comets discovered by American astronomer, Eric J. Christensen. Observational history The comet was discovered by Eric J. Christensen in late 2004 from images in the Catalina Sky Survey. It was the second comet he discovered after 210P/Christensen. At the time of discovery the comet had an apparent magnitude of 16.5 in the constellation Leo. Notes "obs_arc" Observation arc from the Minor Planet Center database covering dates from 24 January 1998 until 1 June 2026. References E. J. Christensen J. Young D. W. Green Comet P/2004 Y1 (Christensen) http://www.cbat.eps.harvard.edu/iauc/08400/08458.html IAU Circular 2004-12-22 8458 1 2004IAUC.8458....1C D. W. Green Comet 164P/2004 Y1 (Christensen) http://www.cbat.eps.harvard.edu/iauc/08400/08474.html IAU Circular 2005-02-01 8474 5 2005IAUC.8474....5G 164P/Christensen – JPL Small-Body Database Lookup https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=164P ssd.jpl.nasa.gov Jet Propulsion Laboratory 2026-10-09 Y. G. Kwon D. W. Dahlen J. R. Masiero etal COSINE (Cometary Object Study Investigating their Nature and Evolution) II: Colors and Sizes of Comet Nuclei 2026 2609.32110 astro-ph.EP 164P/Christensen Orbit http://www.minorplanetcenter.net/db_search/show_object?object_id=164P Minor Planet Center 2026-10-09 Periodic Comet Names and Designations https://pds-smallbodies.astro.umd.edu/data_sb/resources/periodic_comets.shtml Planetary Data System: Small Body Node NASA 2026-09-22 External links 1000535 164P 164P/Christensen at the Minor Planet Center database 164P/Christensen at Seiichi Yoshida's website 163P/NEAT 165P/LINEAR Category:Periodic comets 0164 164P * 0164 0164 0164