289P/Blanpain

289P/Blanpain
Discovery
Discovered by	Jean-Jacques Blanpain (Marseille, France)
Discovery date	1819 November 28/November 2003
Designations
Alternative designations	D/1819 W1;; 2003 WY25
Orbital characteristics
Epoch	1819 November 22
Aphelion	5.094 AU
Perihelion	0.891 AU
Semi-major axis	2.993 AU
Eccentricity	0.702
Orbital period	5.18 yr
Inclination	9.23°
Last perihelion	2019-Dec-20; 2014-08-28; 2009-04-30
Next perihelion	2025-04-14
Earth MOID	0.015 AU (2,200,000 km)

289P/Blanpain, formerly D/1819 W1 (Blanpain) is a short-period comet with an orbital period of 5.2 years. It was discovered by Jean-Jacques Blanpain on November 28, 1819 but was considered lost until it was recovered in 2013. It was last observed in 2020.

^ ^a ^b Cite error: The named reference MPC was invoked but never defined (see the help page).

[MPC-1] Cite error: The named reference MPC was invoked but never defined (see the help page).

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