C/2022 E3 (ZTF)

DEPARTED

Type: Hyperbolic Perihelion date: 12 January 2023 Perihelion distance (q): 1.1 Aphelion distance (Q) : n/a Period (years): n/a Eccentricity (e): 1.00 Inclination (i): 109.2 JPL orbit diagram COBS lightcurve The Zwicky Transient Facility reported observations of a 17th magnitude object made on 2 March 2022 with the 1.2m Oschin Schmidt. This was placed on the PCCP as ZTF0Nf7 and reported to show cometary features by other astrometrists. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 02-Jun-22 14.87 0.06 10-Jun-22 14.7 0.4 20-Jun-22 14.38 0.06 14.5 0.4 24-Jun-22 14.6 0.4 01-Jul-22 14.35 0.02 13.4 0.6 08-Jul-22 14.27 0.01 13.8 0.8 18-Jul-22 14.14 0.02 13.4 1.3 28-Jul-22 14.09 0.01 13.7 0.8 01-Aug-22 14.06 0.02 13.7 0.6 13-Aug-22 13.89 0.02 14.1 0.4 24-Aug-22 13.78 0.01 13.3 0.6 05-Sep-22 13.65 0.01 13.2 0.6 07-Sep-22 13.58 0.01 13.6 0.4 03-Oct-22 13.21 0.02 13.0 0.6 16-Feb-23 7.0 13.5 21-Feb-23 11.40 0.02 8.6 11.3 09-Mar-23 12.57 0.03 10.6 11.1 14-Mar-23 12.59 0.01 10.4 5.3 20-Mar-23 10.0 5.3 02-Apr-23 10.5 2.1