P/2016 G1 (PANSTARRS)

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Type: Periodic Perihelion date: 22 March 2021 Perihelion distance (q): 2.0 Aphelion distance (Q) : 3.1 Period (years): 4.2 Eccentricity (e): 0.21 Inclination (i): 11.0 JPL orbit diagram COBS lightcurve A 19th magnitude comet was discovered in PanSTARRS 1 images taken with the 1.8m Ritchey-Chretien on 1 April 2016. Gareth Williams identified pre-discovery astrometry in Mt Lemmon data from 12 March. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 13-Apr-16 18.38 0.05 17.8 0.2 06-May-16 18.17 0.07 17.5 0.2 27-May-16 18.63 0.06 18.1 0.2 03-Jun-16 18.65 0.09 17.6 0.2