210P/Christensen (0210P)

Type: Periodic Perihelion date: 22 November 2025 Perihelion distance (q): 0.5 Aphelion distance (Q) : 5.8 Period (years): 5.6 Eccentricity (e): 0.83 Inclination (i): 10.3 JPL orbit diagram COBS lightcurve Atlas 210P/Christensen = 2003 K2 = 2008 X4 Eric Christensen, Lunar and Planetary Laboratory, reported the discovery of a 15th magnitude comet on 26 May 2003 by the Catalina Sky Survey on CCD images taken with the 0.7-m Schmidt telescope. Alan Watson found a 10th magnitude comet on SECCHI HI1-B images taken on 8 December 2008. Rainer Kracht made measurements of the object's position and computed a parabolic orbit, from which Maik Meyer suggested identity with comet P/2003 K2. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 19-Jul-25 20.4 0.4 03-Aug-25 19.9 0.2 20-Aug-25 19.3 0.2 25-Jan-26 16.6 0.2 20-Feb-26 17.4 0.3