C/2020 S4 (PANSTARRS)

DEPARTED

Type: Hyperbolic Perihelion date: 9 February 2023 Perihelion distance (q): 3.4 Aphelion distance (Q) : n/a Period (years): n/a Eccentricity (e): 1.00 Inclination (i): 20.6 JPL orbit diagram COBS lightcurve PanSTARRS 1 discovered a 21st magnitude comet in images taken with the 1.8m Ritchey-Chretien on 16 September 2020. Further astrometry confirmed the discovery. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 22-Oct-22 17.27 0.09 17.4 0.4 30-Oct-22 17.2 0.4 29-Jan-23 15.6 0.4 20-Feb-23 14.5 1.3 12-Mar-23 15.4 0.6 26-Mar-23 15.8 0.6 13-Jun-23 17.6 0.4 20-Jun-23 18.1 0.4