Type Hyperbolic Perihelion Date 15 August 2018 Perihelion Distance (q) 0.2 Aphelion Distance (Q) n/a Period (Years)   n/a Eccentricity (e)   1.0 Inclination (i)   99.0 Click for NASA orbit diagram

A 21st magnitude comet was discovered in PanSTARRS 1 images taken with the 1.8m Ritchey- Chretien on 23 September 2017.  The comet could come into visual range in July 2018 and reach binocular visibility before it disappears into solar conunction in early August. Date 10x10 mag Error Kphot mag Coma ' 27-Sep-17 20.29 0.08 20.0 0.2 11-Oct-17 20.58 0.31 19.6 0.2 24-Jun-18 15.50 0.02 12.4 1.2 14-Jul-18 14.41 0.07 11.2 3.8