413P/Larson (0413P)

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Type: Periodic Perihelion date: 20 July 2021 Perihelion distance (q): 2.1 Aphelion distance (Q) : 5.3 Period (years): 7.1 Eccentricity (e): 0.42 Inclination (i): 16.0 JPL orbit diagram COBS lightcurve 413P/Larson = 2014 E1 = 2020 W4 Steve Larson discovered a 17th magnitude comet during the Catalina Sky Survey with the 0.68m Schmidt on 10 March 2014. Prediscovery images from January 2014 were found in CSS data. Erwin Schwab recovered the comet as a stellar object in images taken with the 0.8-m f/3 Schmidt reflector at Calar Alto, Spain, on 25 November 2020. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 13-Mar-14 17.68 0.04 16.8 0.2 28-Mar-14 17.34 0.03 15.7 0.3 05-Apr-14 17.12 0.02 16.1 0.2 23-Apr-14 16.66 0.03 15.3 0.3 02-May-14 16.54 0.04 14.4 0.2 27-May-14 17.17 0.03 15.6 0.3 03-Jul-14 17.75 0.10 17.0 0.2 12-Jul-14 17.88 0.11 17.4 0.2 26-Jul-14 18.04 0.08 17.3 0.2 14-Aug-14 18.24 0.06 27-Aug-14 18.43 0.07 18.0 0.2 07-Sep-14 18.88 0.23 18.6 0.2 16-Apr-21 17.0 0.4 01-May-21 16.5 0.6 04-May-21 17.1 0.4 02-Jul-21 18.4 0.4