C/2025 Q3 (ATLAS) (CK25Q030)

Type: Periodic Perihelion date: 25 February 2026 Perihelion distance (q): 2.1 Aphelion distance (Q) : 1,582.7 Period (years): 22,306 Eccentricity (e): 1.00 Inclination (i): 90.2 JPL orbit diagram COBS lightcurve Atlas The ATLAS (Asteroid Terrestrial-impact Last Alert System) team discovered a 20th magnitude comet in images taken with the 0.5 m Schmidt at Haleakala on 20 August 2025. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 08-Dec-25 16.3 0.3 16-Dec-25 16.3 0.5 25-Dec-25 16.3 0.4