P/2016 R4 (Gibbs)

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Type: Periodic Perihelion date: 20 July 2016 Perihelion distance (q): 2.8 Aphelion distance (Q) : 7.9 Period (years): 12.3 Eccentricity (e): 0.48 Inclination (i): 10.9 JPL orbit diagram COBS lightcurve Alex Gibbs discovered a 19th magnitude comet in images taken with the Mt Lemmon Survey 1.5m reflector on 10 September 2016. There were pre-discovery images from PanSTARRS on 18 July and 14 August, Mount Lemmon on 28 August and Crni Vrh on 10 September. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 30-Oct-16 19.25 0.03 16.7 0.2 26-Nov-16 19.90 0.09 19.6 0.2