C/2017 K6 (Jacques)

DEPARTED

Type: Periodic Perihelion date: 3 January 2018 Perihelion distance (q): 2.0 Aphelion distance (Q) : 2,250 Period (years): 37,778 Eccentricity (e): 1.00 Inclination (i): 57.3 JPL orbit diagram COBS lightcurve Cristovao Jacques discovered an 18th magnitude comet on images taken with the SONEAR Observatory 0.45m reflector on 29 May 2017. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 14-Jan-18 15.21 0.06 12.2 0.9 01-Feb-18 15.61 0.08 13.6 0.6 04-Dec-18 18.63 0.10 17.9 0.3 18-Dec-18 18.96 0.11 18.5 0.2 01-Jan-19 19.10 0.17 18.3 0.2 09-Jan-19 19.30 0.09 17.4 0.3