C/2019 J3 (ATLAS)

DEPARTED

Type: Hyperbolic Perihelion date: 1 August 2019 Perihelion distance (q): 2.4 Aphelion distance (Q) : n/a Period (years): n/a Eccentricity (e): 1.00 Inclination (i): 131.4 JPL orbit diagram COBS lightcurve A 19th magnitude comet was discovered in images taken with the 0.5m Schmidt at Haleakala on 14 May 2019 by the ATLAS (Asteroid Terrestrial-impact Last Alert System) team, and initially reported as an NEO candidate. It had been posted on the PCCP as A10dEHr. It re-appeared on the PCCP as P20P07C between 24 and 28 July when S Nakano realised the identity. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 03-Jun-19 17.74 0.13 17.2 0.3 28-Jun-19 17.09 0.14 16.4 0.5 22-Feb-20 20.51 0.34 20.1 0.2