P/2025 S4 ( Lemmon-PanSTARRS )

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Updated on November 6, 2025

Profile Recovery Date September 19, 2025 Magnitude 19.9 mag Recoverer John Maikner (Comet Hunter Observatory2, New Ringgold) Pictures

Orbital Elements Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2025 Nov. 23.67748 TT Pike q 2.9110935 (2000.0) P Q n 0.10165016 Peri. 89.36791 +0.62558367 -0.77697871 a 4.5470599 Node 321.61285 +0.66313223 +0.57708134 e 0.3597855 Incl. 6.50504 +0.41097533 +0.25155758 P 9.70 From 93 observations 2006 Nov. 21-2025 Oct. 31, mean residual 3".2.

Magnitudes Graph m1 = 13.0 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2025-V39. The magnitudes graphs are made with Comet for Windows.