C/2025 A4 ( PanSTARRS )

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Updated on May 3, 2025

Profile Discovery Date January 3, 2025 Magnitude 21.0 mag Discoverer Pan-STARRS 2 telescope (Haleakala) Pictures

Orbital Elements Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2025 Jan. 13.17946 TT Payne q 3.8242439 (2000.0) P Q n 0.02683536 Peri. 102.80145 -0.85254767 -0.15848653 a 11.0492076 Node 69.91287 -0.13610893 -0.85271000 e 0.6538898 Incl. 32.02559 +0.50461552 -0.49776267 P 36.7 From 83 observations 2024 Dec. 21-2025 Apr. 26, mean residual 0".5.

Magnitudes Graph m1 = 11.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2025-J08. The magnitudes graphs are made with Comet for Windows.