C/2025 X1 ( PanSTARRS )

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Updated on April 29, 2026

Profile Discovery Date December 12, 2025 Magnitude 21.0 mag Discoverer Pan-STARRS 1 telescope (Haleakala) Pictures

Orbital Elements Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2026 Dec. 10.76376 TT Pike q 4.6693123 (2000.0) P Q n 0.00498894 Peri. 85.61298 -0.80039253 +0.03715962 a 33.9206254 Node 95.63986 -0.24045304 -0.93417079 e 0.8623459 Incl. 36.95832 +0.54913945 -0.35488603 P 198 From 135 observations 2025 Dec. 11-2026 Mar. 19, mean residual 0".5.

Magnitudes Graph m1 = 9.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2026-F270. The magnitudes graphs are made with Comet for Windows.