Comets - C/2017 D2 Barros - CK17D020
Type Periodic Perihelion Date 14 July 2017 Perihelion Distance (q) 2.5 Aphelion Distance (Q) 2652 Period (Years)   47,624 Eccentricity (e)   1.00 Inclination (i)   31.3 Click for NASA orbit diagram
Hills Observatory: 1 January 2013 to 14 August 2018
COMETS COMETS
DEEP SKY DEEP SKY
A 19th magnitude object was discovered by LINEAR (3.5m reflector Space Surveillance Telescope at the Atom Peak site) on 26 January 2017.  It was shown to have cometary features by astrometrists after posting on the PCCP. Date 10x10 mag Error Kphot mag Coma ' 14-Aug-17 16.34 0.01 14.4 0.4 20-Aug-17 16.41 0.06 14.4 0.5 27-Aug-17 16.43 0.03 14.9 0.6 10-Sep-17 16.97 0.11 15.0 0.5 18-Sep-17 17.08 0.07 15.4 0.3 25-Sep-17 17.37 0.08 16.3 0.3 12-Oct-17 17.84 0.17 16.5 0.3
DEPARTED