C/2025 K2 ( PanSTARRS )

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Updated on September 4, 2026

Profile Discovery Date May 29, 2025 Magnitude 20.4 mag Discoverer Pan-STARRS 1 telescope (Haleakala) Pictures

Orbital Elements Epoch 2026 June 9.0 TT = JDT 2461200.5 T 2025 Oct. 25.40495 TT Pike q 2.8631782 (2000.0) P Q n 0.00789447 Peri. 232.48460 -0.04879375 -0.54670655 a 24.9797089 Node 113.82396 -0.34222972 +0.79538981 e 0.8853798 Incl. 113.96944 -0.93834854 -0.26166201 P 125 From 30 observations 2025 May 29-2026 Apr. 14, mean residual 0".4.

Magnitudes Graph m1 = 12.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2026-P55. The magnitudes graphs are made with Comet for Windows.