P/2015 W2 (Catalina)

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Type: Periodic Perihelion date: 30 September 2015 Perihelion distance (q): 2.7 Aphelion distance (Q) : 12.0 Period (years): 19.8 Eccentricity (e): 0.63 Inclination (i): 11.6 JPL orbit diagram COBS lightcurve A 19th magnitude object found in Catalina Sky Survey images with the 0.68m Schmidt on 21 November 2015 was found to show cometary characteristics by other astrometrists. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 03-Dec-15 17.90 0.05 17.7 0.2 09-Dec-15 18.61 0.18 18.3 0.2