C/2020 J1 (SONEAR)

Type: Hyperbolic Perihelion date: 18 April 2021 Perihelion distance (q): 3.4 Aphelion distance (Q) : n/a Period (years): n/a Eccentricity (e): 1.00 Inclination (i): 142.3 JPL orbit diagram COBS lightcurve Christovao Jacques reported a 17th magnitude object in images taken on 1 May 2020 with the "Southern Observatory for Near Earth Research" (SONEAR) 0.28-m f/2.2 astrograph at Oliveira, Brazil. Cometary features were then reported in follow-up astrometry. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 05-Jun-21 14.11 0.01 13.2 0.7 12-Jun-21 14.32 0.02 12.4 2.4 01-Jul-21 13.4 0.8 10-Mar-22 14.7 1.1 30-Mar-22 16.13 0.03 14.3 1.1 08-Apr-22 14.3 1.1 25-Apr-22 15.4 0.8 03-May-22 16.68 0.04 15.8 0.6 21-May-22 15.6 0.8 28-May-22 16.2 0.6 17-Jun-22 15.7 0.6 17-Jul-22 17.6 0.4