P/2025 S4 ( Lemmon-PanSTARRS )

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Updated on December 8, 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 T = 2025 Nov. 23.94467 TT Peri. = 89.43716 e = 0.3597898 Node = 321.60550 2000.0 q = 2.9110709 AU Incl. = 6.50493 a = 4.5470550 AU n = 0.10165032 P = 9.70 years

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

The orbital elements are printed on CBET 5633. The magnitudes graphs are made with Comet for Windows.