C/2019 N1 (ATLAS)

DEPARTED

Type: Periodic Perihelion date: 1 December 2020 Perihelion distance (q): 1.7 Aphelion distance (Q) : 25,138 Period (years): 1,409,294 Eccentricity (e): 1.00 Inclination (i): 82.4 JPL orbit diagram COBS lightcurve A 19th magnitude object was discovered in images taken with the 0.5m Schmidt at Mauna Loa on 5 July 2019 by the ATLAS (Asteroid Terrestrial-impact Last Alert System) team. After posting on the PCCP it was found to show cometary features by other observers and pre-discovery images found in ATLAS (Haleakala) and Faulkes- North images from June. It had been posted on the PCCP as A10eGy8. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 27-Jul-19 18.61 0.09 18.3 0.2 05-Aug-19 18.57 0.04 17.9 0.2 25-Aug-19 18.04 0.12 17.5 0.2 01-Sep-19 18.28 0.05 17.9 0.2 07-Oct-19 17.52 0.09 17.3 0.2 29-Oct-19 17.69 0.09 17.3 0.3 16-Feb-20 16.54 0.04 15.8 0.4 24-Mar-20 16.10 0.02 15.2 0.5 01-Apr-20 16.05 0.03 15.2 0.5 24-May-20 15.63 0.01 14.3 0.7