Type Hyperbolic Perihelion Date 5 September 2019 Perihelion Distance (q) 1.5 Aphelion Distance (Q) n/a Period (Years) n/a Eccentricity (e) 1.00 Inclination (i) 116.6 Click for NASA orbit diagram

Brian Africano discovered a comet of 18th magnitude in Mt Lemmon Survey images taken with the 1.5m reflector on 27 November 2018. It was discovered at almost the same time by Hannes Groeller in images taken by the Catalina Sky Survey with the 0.68m Schmidt, also on 27 November, but his report arrived after the one from Mt Lemmon. Date 10x10 mag Error Kphot mag Coma ' 01-Jan-19 17.66 0.10 16.0 0.3 08-Jan-19 18.12 0.05 17.4 0.3 15-Jan-19 17.73 0.02 17.0 0.3 14-Jul-19 14.48 0.02 11.5 1.7 13-Aug-19 14.25 0.03 11.1 2.2 27-Aug-19 14.40 0.01 11.3 5.2 01-Sep-19 14.36 0.02 11.3 4.9 24-Sep-19 13.12 0.02 10.0 8.7 29-Sep-19 12.50 0.03 9.2 9.5 17-Oct-19 13.76 0.01 11.0 2.9

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