419P/PANSTARRS (0419P)

Type: Periodic Perihelion date: 27 October 2021 Perihelion distance (q): 2.5 Aphelion distance (Q) : 4.5 Period (years): 6.6 Eccentricity (e): 0.28 Inclination (i): 2.8 JPL orbit diagram COBS lightcurve 419P/PanSTARRS = 2015 F1 = 2021 A11 A 19th magnitude comet was discovered in PanSTARRS 1 images taken with the 1.8m Ritchey-Chretien on 21 March 2015. Erwin Schwab recovered comet 2015 F1 as an apparently stellar object in images taken with the 0.8-m f/3 Schmidt reflector at Calar Alto, Spain, on 13 January 2021. Additional observations were made on 10, 13 and 14 February. The comet was some 4' from the predicted position, implying a delta T of -0.2 days. The comet passed 0.46 au from Jupiter in December 1975 in an encounter that substantially reduced the perihelion distance. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 29-Mar-15 17.48 0.05 17.3 0.2 14-Apr-15 17.44 0.03 16.2 0.2 19-Apr-15 17.55 0.07 17.3 0.2 13-May-15 16.93 0.11 16.0 0.2 22-May-15 16.87 0.06 15.9 0.2 06-Jun-15 16.92 0.05 15.7 0.3 11-Jun-15 16.90 0.04 16.0 0.2 26-Jun-15 17.09 0.15 16.6 0.2 04-Jul-15 17.08 0.13 15.8 0.2 22-Jul-15 17.46 0.08 17.1 0.2 08-Aug-15 18.05 0.09 17.4 0.2