Type Periodic Perihelion Date 29 April 2019 Perihelion Distance (q) 7.6 Aphelion Distance (Q) 2,963 Period (Years) 57,253 Eccentricity (e) 0.99 Inclination (i) 26.5 Click for NASA orbit diagram

An apparently asteroidal object of 20th magnitude was discovered in images taken with the Mt Lemmon Survey 1.5m reflector on 8 December 2016. There were pre-discovery images from PanSTARRS on 26 November. After posting on the NEOCP it was found to show a faint coma and tail. Date 10x10 mag Error Kphot mag Coma ' 30-Dec-16 20.60 0.13 20.3 0.2 13-Feb-18 18.91 0.09 18.1 0.2 10-Mar-18 19.20 0.09 19.1 0.2 07-Oct-18 18.87 0.09 18.6 0.2 19-Nov-18 18.71 0.07 18.4 0.2 01-Jan-19 18.41 0.05 18.1 0.2 29-Oct-19 19.41 0.09 19.0 0.2 24-Dec-19 19.15 0.14 18.6 0.2 16-Feb-20 19.41 0.05 19.2 0.2