C/2019 K5 (Young)

DEPARTED

Type: Periodic Perihelion date: 22 June 2019 Perihelion distance (q): 2.0 Aphelion distance (Q) : 300 Period (years): 1,858 Eccentricity (e): 0.99 Inclination (i): 15.3 JPL orbit diagram COBS lightcurve David Young discovered a 17th magnitude comet in images taken with the ATLAS (Asteroid Terrestrial-impact Last Alert System) 0.5m Schmidt at Mauna Loa on 25 May 2019. It had been posted on the PCCP as A10dQbl and during a glitch in the MPC system was assigned the designation of 2015 XU100 as a main-belt asteroid. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 03-Jun-19 16.95 0.15 14.5 0.4 30-Jul-19 16.27 0.03 14.2 0.8 27-Aug-19 16.56 0.02 14.8 0.6 03-Sep-19 16.54 0.03 14.9 0.5 10-Sep-19 16.65 0.05 15.2 0.6 24-Sep-19 16.66 0.01 14.9 0.5 01-Oct-19 16.71 0.01 14.7 0.7 22-Oct-19 16.71 0.02 14.9 0.7 29-Oct-19 16.77 0.01 15.1 0.7 19-Nov-19 17.07 0.02 15.6 0.7 27-Nov-19 17.28 0.02 15.4 0.7 23-Dec-19 18.04 0.05 16.6 0.6 30-Dec-19 18.20 0.04 17.0 0.5 13-Jan-20 18.61 0.05 17.0 0.3 17-Feb-20 19.61 0.06 19.2 0.3