C/2019 K4 (Ye)

DEPARTED

Type: Periodic Perihelion date: 16 June 2019 Perihelion distance (q): 2.3 Aphelion distance (Q) : 4,812 Period (years): 118,089 Eccentricity (e): 1.00 Inclination (i): 105.3 JPL orbit diagram COBS lightcurve Quanzhi Ye discovered a possible 17th magnitude comet on 30 May 2019 in images taken with the Zwicky Transient Facility camera on the 1.2m Oschin Schmidt. Following posting on the PCCP they found pre-discovery images from 24 April. It was placed on the PCCP as ZTF03N1. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 09-Aug-19 17.36 0.11 15.9 0.3 26-Aug-19 17.11 0.02 15.7 0.5 02-Sep-19 16.95 0.03 14.5 0.6 23-Sep-19 16.62 0.02 15.1 0.9 30-Sep-19 16.91 0.04 15.3 0.6 21-Oct-19 17.88 0.08 16.7 0.5 28-Oct-19 18.23 0.01 17.8 0.3