384P/Kowalski (0384P)

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Type: Periodic Perihelion date: 11 October 2019 Perihelion distance (q): 1.1 Aphelion distance (Q) : 4.7 Period (years): 4.9 Eccentricity (e): 0.62 Inclination (i): 7.3 JPL orbit diagram COBS lightcurve PK14U020 = 384P Richard Kowalski discovered an 18th magnitude comet on 25 October 2014 in images taken during the Catalina Sky Survey with the 0.68m Schmidt. Pre-discovery CSS images from 18 October were quickly found and other imagers confirmed the discovery. It is intrinsically very faint, but was discovered during a relatively good return when it was only 0.4 au from Earth; the MOID is 0.2 au. An approach to within 0.5 au of Jupiter in 2017 reduced the perihelion distance to 1.1 au in 2019. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 04-Oct-19 17.57 0.09 17.4 0.2 25-Oct-19 17.59 0.05 16.9 0.2 30-Nov-19 18.14 0.08 17.5 0.3 23-Dec-19 18.42 0.08 18.2 0.2 30-Dec-19 18.53 0.05 17.9 0.2