C/2017 B3 (LINEAR)

DEPARTED

Type: Hyperbolic Perihelion date: 2 February 2019 Perihelion distance (q): 3.9 Aphelion distance (Q) : n/a Period (years): n/a Eccentricity (e): 1.00 Inclination (i): 54.2 JPL orbit diagram COBS lightcurve A 19th magnitude object discovered by LINEAR (The 3.5m reflector Space Surveillance Telescope at the Atom Peak site) on 26 January 2017 was shown to have cometary features by astrometrists after posting on the PCCP. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 30-Jan-17 18.80 0.05 18.7 0.2 21-Feb-17 18.47 0.07 17.3 0.2 03-Mar-17 18.34 0.13 17.8 0.2 29-Mar-17 17.94 0.05 17.2 0.3 18-Apr-17 17.83 0.15 15.9 0.2 30-Apr-17 17.81 0.12 16.5 0.2