C/2018 M1 (Catalina)

DEPARTED

Type: Periodic Perihelion date: 10 July 2018 Perihelion distance (q): 1.3 Aphelion distance (Q) : 41.2 Period (years): 98 Eccentricity (e): 0.94 Inclination (i): 37.3 JPL orbit diagram COBS lightcurve A 17th magnitude comet was discovered by the Catalina Sky Survey with the 0.68m Schmidt on 25 June 2018. It had been posted on the PCCP as ZM2A6E9. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 02-Jul-18 17.79 0.19 17.0 0.2 14-Jul-18 18.07 0.10 17.3 0.2 22-Jul-18 18.10 0.14 17.3 0.2 01-Dec-18 19.93 0.17 19.4 0.2