C/2023 X2 (Lemmon)

Type: Hyperbolic Perihelion date: 27 December 2025 Perihelion distance (q): 5.1 Aphelion distance (Q) : n/a Period (years): n/a Eccentricity (e): 1.0 Inclination (i): 77.0 JPL orbit diagram COBS lightcurve Atlas A object of 20th magnitude was discovered on 4 December 2023 in images taken with the 1.5-m reflector of the Mt Lemmon Survey. It was placed on the NEOCP as C9YKH92 as a potential NEO. Earlier, PanSTARRS had discovered a comet in images taken earlier on 4 December, but this was not reported until after the Mt Lemmon observations were posted. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 07-Oct-24 18.5 0.4 06-Nov-24 19.5 0.4 10-Nov-24 19.6 0.4 27-Nov-24 18.9 0.4 19-Dec-24 19.4 0.4 25-Dec-24 19.5 0.4 6-Jan-25 19.3 0.4