C/2021 A2 (NEOWISE)


Type: Periodic Perihelion date: 22 January 2021 Perihelion distance (q): 1.4 Aphelion distance (Q) : 513 Period (years): 4,126 Eccentricity (e): 0.99 Inclination (i): 107.0 JPL orbit diagram COBS lightcurve An approximately 15th magnitude comet was discovered from the NEOWISE satellite on 3 January 2021. It was posted on the PCCP as N00ht7m. Ground-based observers confirmed the cometary nature, with Michael Mattiazzo reporting it as bright as 12th magnitude in his 0.2 m reflector. Observations (VEMag = visual equivalent magnitude) Date 10x10 mag Error VEmag Coma ' 01-Mar-21 15.82 0.10 14.1 0.8 06-Apr-21 16.9 0.4