Comets - C/2015 F4 (Jacques) - CK15F040
Type Periodic Perihelion Date 10 August 2015 Perihelion Distance (q) 1.6 Aphelion Distance (Q) 231.0 Period (Years)   1,254.8 Eccentricity (e)   0.99 Inclination (i)   48.7 Click for NASA orbit diagram
Hills Observatory: 1 January 2013 to 4 November 2018
COMETS COMETS
DEEP SKY DEEP SKY
Cristovao Jacques discovered a 16th magnitude comet on images taken with the SONEAR Observatory 0.28m astrograph on 2015 March 27. The comet has perihelion at 1.6 au in 2015 August, when it is near opposition and may be 13th magnitude.  Date 10x10 mag Error Kphot mag Coma ' 22-Jul-15 12.93 0.03 10.9 0.8 27-Jul-15 13.25 0.02 10.4 0.8 14-Aug-15 13.55 0.01 10.8 0.5 21-Aug-15 13.80 0.01 11.3 0.6 03-Sep-15 14.12 0.02 11.3 0.8 12-Sep-15 14.51 0.01 12.0 0.7 19-Sep-15 14.68 0.02 12.1 0.5 26-Sep-15 14.95 0.01 12.4 0.4 08-Oct-15 15.28 0.01 12.8 0.5 20-Oct-15 15.49 0.01 13.0 0.5 08-Nov-15 16.05 0.01 13.9 0.5 13-Dec-15 16.83 0.05 14.8 0.3
DEPARTED