C/2022 Q2 (ATLAS)

DEPARTED

Type: Periodic Perihelion date: 1 February 2023 Perihelion distance (q): 1.6 Aphelion distance (Q) : 52.9 Period (years): 142.3 Eccentricity (e): 0.94 Inclination (i): 151.4 JPL orbit diagram COBS lightcurve The ATLAS (Asteroid Terrestrial-impact Last Alert System) team discovered a 19th magnitude object in images taken with the 0.5 m Schmidt at Mauna Loa on 27 August 2022. Follow up observations by Andrea Aletti and Luca Buzzi showed a coma and tail, which were confirmed by other astrometrists. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 02-Oct-22 17.7 0.4 14-Oct-22 17.5 0.4 19-Oct-22 17.50 0.13 17.5 0.4 25-Oct-22 17.7 0.4 30-Oct-22 17.8 0.4 11-Nov-22 17.9 0.4 14-Nov-22 18.0 0.4 21-Nov-22 17.8 0.4