C/2025 E1 ( PanSTARRS )

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Updated on September 4, 2026

Profile Discovery Date March 2, 2025 Magnitude 20.6 mag Discoverer Pan-STARRS 1 telescope (Haleakala) Pictures

Orbital Elements Epoch 2026 June 9.0 TT = JDT 2461200.5 T 2026 Sept. 23.70634 TT Pike q 3.9980761 (2000.0) P Q z +0.0005689 Peri. 274.42358 -0.02033372 +0.96850013 +/-0.0000024 Node 344.58950 +0.03641579 -0.24735061 e 0.9977253 Incl. 69.05936 -0.99912984 -0.02872568 From 287 observations 2025 Jan. 3-2026 June 29, mean residual 0".5.

Magnitudes Graph m1 = 5.0 + 5 log d + 15.0 log r

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