C/2019 L3 (ATLAS)

Type: Hyperbolic Perihelion date: 9 January 2022 Perihelion distance (q): 3.6 Aphelion distance (Q) : n/a Period (years): n/a Eccentricity (e): 1.00 Inclination (i): 48.4 JPL orbit diagram COBS lightcurve An 18th magnitude object was discovered in images taken with the 0.5m Schmidt at Haleakala on 10 June 2019 by the ATLAS (Asteroid Terrestrial-impact Last Alert System) team. It was posted on the PCCP as A10eeCl. Other observers then detected cometary features. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 28-Dec-19 17.47 0.02 17.1 0.3 17-Jan-20 17.52 0.05 17.0 0.3 27-May-20 16.86 0.02 16.3 0.4 13-Sep-20 15.62 0.03 15.1 0.4 21-Sep-20 15.40 0.02 15.2 0.4 09-Oct-20 15.35 0.01 13.9 0.6 07-Nov-20 14.90 0.01 13.9 0.6 21-Nov-20 14.88 0.04 13.6 0.6 06-Dec-20 14.57 0.02 12.7 0.8 14-Dec-20 14.65 0.00 13.4 0.8 17-Jan-21 14.54 0.01 12.6 0.9 11-Feb-21 11.9 0.9 15-Feb-21 14.38 0.01 12.6 1.1 22-Aug-21 11.8 0.9 11-Sep-21 11.2 1.9