C/2026 M3 ( MASTER )

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Updated on September 4, 2026

Profile Discovery Date June 19, 2026 Magnitude 20.3 mag Discoverer Mobile Astronomical System of the Telescope-Robots (MASTER) auto-detection system (Guillermo Haro Astrophysics Observatory at Cananea, Sonora, Mexico) Pictures

Orbital Elements Perturbed ephemeris below is based on elements from MPEC 2026-Q97. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461440.50000 2461453.3222632 51.18850 282.35195 93.88088 e q a Epoch (TT) 0.9996124 12.0494114 31084.18683 2027/02/04.00

Magnitudes Graph m1 = 2.5 + 5 log d + 10.0 log r

The orbital elements are calculated using the Minor Planet & Comet Ephemeris Service. The magnitudes graphs are made with Comet for Windows.