C/2023 X1 (Leonard)

DEPARTED

Type: Periodic Perihelion date: 17 October 2023 Perihelion distance (q): 0.9 Aphelion distance (Q) : 215.1 Period (years): 1,123 Eccentricity (e): 0.99 Inclination (i): 110.6 JPL orbit diagram COBS lightcurve Gregory Leonard discovered a comet of 17th magnitude in images taken with the 1.5-m reflector of the Mt Lemmon Survey on 4 December 2023. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 25-Dec-23 17.6 0.4