C/2015 V1 (PANSTARRS)

DEPARTED

Type: Hyperbolic Perihelion date: 17 December 2017 Perihelion distance (q): 4.3 Aphelion distance (Q) : n/a Period (years): n/a Eccentricity (e): 1.00 Inclination (i): 139.2 JPL orbit diagram COBS lightcurve A 20th magnitude comet was discovered in PanSTARRS 1 images taken with the 1.8m Ritchey-Chretien on 2 November 2015. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 29-Sep-16 17.19 0.15 16.7 0.2 06-Oct-16 16.92 0.03 16.2 0.3 28-Oct-16 16.82 0.02 16.6 0.2 26-Nov-16 16.53 0.01 16.0 0.3 19-Dec-16 16.78 0.02 16.1 0.3 30-Dec-16 16.68 0.01 16.1 0.3 18-Jan-17 16.77 0.02 16.3 0.3 15-Feb-17 16.75 0.20 15.8 0.3 21-Jul-17 16.54 0.02 15.6 0.5 30-Jul-17 16.51 0.04 15.1 0.4 17-Aug-17 16.31 0.04 14.9 0.6 24-Aug-17 16.39 0.02 15.2 0.5 16-Sep-17 16.18 0.02 14.9 0.7 28-Sep-17 16.03 0.02 14.6 0.7 20-Nov-17 16.46 0.02 15.2 0.7 03-Jan-18 16.91 0.02 15.7 0.7 14-Jul-18 17.15 0.02 16.2 0.4 22-Jul-18 17.07 0.01 15.8 0.5 04-Sep-18 17.02 0.02 15.8 0.5 30-Sep-18 17.25 0.04 16.4 0.4 10-Oct-18 17.40 0.04 16.7 0.3 28-Oct-18 17.83 0.09 17.1 0.3 27-Nov-18 18.03 0.14 17.5 0.3