296P/Garradd (0296P)

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Type: Periodic Perihelion date: 23 March 2027 Perihelion distance (q): 1.8 Aphelion distance (Q) : 5.2 Period (years): 6.5 Eccentricity (e): 0.48 Inclination (i): 25.3 JPL orbit diagram COBS lightcurve Atlas 296P/Garradd = 2007 H3 = 2014 A1 Gordon Garradd discovered a 17th magnitude comet on images taken for the Siding Spring Survey with the 0.5-m Uppsala Schmidt on 22 April 2007. It was confirmed by N. Teamo and Sebastian Hoenig using a 0.41-m f/8 reflector at Punaauia, Tahiti. Prediscovery images from March were found in Siding Spring observations. The comet reached perihelion at 1.8 AU in mid August, and has a period of 6.5 years. The comet was recovered by an observing team at the Pierre Auger Observatory, Malargue using the 0.3m f/10 reflector on 6 January 2014. Following recovery prediscovery NEAT images from 2001 June were identified. The comet was close to the predicted time of return. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 19-Jun-14 18.56 0.30 18.4 0.2 02-Jul-14 18.75 0.07 18.6 0.2 05-Aug-14 18.62 0.09 18.5 0.2 27-Mar-20 19.54 0.24 18.7 0.2