C/2015 T4 (PANSTARRS)

DEPARTED

Type: Periodic Perihelion date: 18 June 2016 Perihelion distance (q): 2.3 Aphelion distance (Q) : 172 Period (years): 812 Eccentricity (e): 0.97 Inclination (i): 87.9 JPL orbit diagram COBS lightcurve A 19th magnitude comet was discovered in PanSTARRS 1 images taken with the 1.8m Ritchey-Chretien on 14 October 2015. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 20-Oct-15 17.96 0.05 17.4 0.2 04-Nov-15 17.53 0.03 17.3 0.2 17-Nov-15 17.14 0.03 15.2 0.2 02-Dec-15 16.98 0.07 16.5 0.2 13-Dec-15 16.89 0.01 16.6 0.2