C/2016 Q4 (Kowalski)

DEPARTED

Type: Periodic Perihelion date: 28 January 2018 Perihelion distance (q): 7.1 Aphelion distance (Q) : 26.5 Period (years): 68.8 Eccentricity (e): 0.58 Inclination (i): 7.3 JPL orbit diagram COBS lightcurve Rich Kowalski discovered a 19th magnitude comet in images taken with the Mt Lemmon Survey 1.5m reflector on 30 August 2016. There were pre-discovery images from PanSTARRS on 11 July and 3 August. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 06-Sep-16 19.73 0.19 19.1 0.2 27-Sep-16 19.09 0.02 18.5 0.2 05-Jan-18 20.65 0.06 20.2 0.2