C/2015 Y1 (LINEAR)

DEPARTED

Type: Periodic Perihelion date: 15 May 2016 Perihelion distance (q): 2.5 Aphelion distance (Q) : 581 Period (years): 4,986 Eccentricity (e): 0.99 Inclination (i): 71.2 JPL orbit diagram COBS lightcurve An 18th magnitude object discovered by LINEAR (The 3.5m reflector Space Surveillance Telescope at the Atom site) on 16 December 2015 was shown to have cometary features by astrometrist after posting on PCCP. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 31-Mar-16 17.13 0.02 15.9 0.2 03-May-16 17.35 0.05 15.7 0.2