C/2016 A1 (PANSTARRS)

DEPARTED

Type: Hyperbolic Perihelion date: 23 November 2017 Perihelion distance (q): 5.3 Aphelion distance (Q) : n/a Period (years): n/a Eccentricity (e): 1.00 Inclination (i): 121.1 JPL orbit diagram COBS lightcurve A 19th magnitude comet was discovered in PanSTARRS 1 images taken with the 1.8m Ritchey-Chretien on 1 January 2016. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 27-Dec-16 16.89 0.05 16.2 0.4 06-Jan-17 16.85 0.02 16.0 0.3 21-Jan-17 16.65 0.02 15.9 0.4 03-Feb-17 16.63 0.04 15.9 0.3 16-Feb-17 16.57 0.02 15.4 0.4 03-Mar-17 16.71 0.01 15.6 0.5 20-Mar-17 16.85 0.03 15.1 0.5 29-Mar-17 16.92 0.03 16.3 0.4 15-Dec-17 16.41 0.02 14.9 0.6 22-Dec-17 16.45 0.02 15.4 1.0 05-Jan-18 16.27 0.03 14.0 0.5 15-Jan-18 16.37 0.01 15.5 0.4 22-Jan-18 16.23 0.02 15.2 0.5 03-Feb-18 16.22 0.02 13.4 0.6 11-Feb-18 16.42 0.04 15.4 0.6 19-Feb-18 16.52 0.01 15.8 0.5 20-Mar-18 16.71 0.06 15.3 0.7 08-Nov-18 17.41 0.06 16.6 0.4 16-Nov-18 17.46 0.06 16.5 0.4 01-Dec-18 17.17 0.02 16.2 0.3 08-Dec-18 17.31 0.02 16.4 0.4 16-Dec-18 17.19 0.04 16.0 0.4 27-Dec-18 17.22 0.08 15.5 0.4 05-Jan-19 17.42 0.04 15.9 0.4 10-Sep-19 18.48 0.04 17.2 0.2 02-Oct-19 18.90 0.28 18.5 0.2