C/2012 S4 (PANSTARRS)

DEPARTED

Type: Periodic Perihelion date: 28 June 2013 Perihelion distance (q): 4.3 Aphelion distance (Q) : 482,991 Period (years): 118,680,049 Eccentricity (e): 1.00 Inclination (i): 126.5 JPL orbit diagram COBS lightcurve Pan-STARRS discovered a 19th magnitude comet on 28 September 2012. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 07-Aug-13 17.57 0.11 16.5 0.3 09-Aug-13 17.66 0.08 17.2 0.3 15-Aug-13 17.19 0.10 16.7 0.3 29-Aug-13 17.69 0.05 17.0 0.4 01-Sep-13 17.27 0.08 16.6 0.4 08-Sep-13 17.55 0.06 17.1 0.3 27-Sep-13 17.62 0.12 16.9 0.3 09-Oct-13 17.53 0.20 16.9 0.3 25-Oct-13 17.91 0.38 17.4 0.2 04-Nov-13 17.84 0.05 17.5 0.2 21-Nov-13 18.22 0.21 17.5 0.2 12-Dec-13 18.48 0.46 17.7 0.2