P/2013 W1 (PANSTARRS)

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Type: Periodic Perihelion date: 8 March 2014 Perihelion distance (q): 1.4 Aphelion distance (Q) : 5.6 Period (years): 6.5 Eccentricity (e): 0.59 Inclination (i): 4.7 JPL orbit diagram COBS lightcurve Pan-STARRS discovered a 21st magnitude comet on 24 November 2013. There were pre-discovery images from the Catalina Sky Survey taken on 9 November. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 09-Dec-13 19.97 0.92 18.1 0.2 25-Dec-13 19.35 0.19 19.0 0.2 05-Jan-14 19.59 0.06 19.3 0.2 31-Jan-14 19.55 0.22 18.6 0.2