C/2015 X7 (ATLAS)

DEPARTED

Type: Hyperbolic Perihelion date: 30 July 2016 Perihelion distance (q): 3.7 Aphelion distance (Q) : n/a Period (years): n/a Eccentricity (e): 1.00 Inclination (i): 57.6 JPL orbit diagram COBS lightcurve A 17th magnitude comet was discovered by the ATLAS project 0.5m Schmidt at Haleakala on 12 December 2015. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 28-Dec-16 18.16 0.07 16.9 0.3 21-Feb-17 17.93 0.18 16.8 0.4 01-Mar-17 18.14 0.04 17.6 0.4 20-Mar-17 18.11 0.12 16.7 0.2