C/2023 H5 ( Lemmon )

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Updated on March 11, 2025

Profile Discovery Date April 19, 2023 Magnitude 20.2 mag Discoverer Mt. Lemmon Survey Pictures

Orbital Elements Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2025 June 30.25995 TT Pike q 4.3126040 (2000.0) P Q z -0.0001080 Peri. 60.09671 -0.42536741 +0.83574353 +/-0.0000006 Node 159.47855 -0.07943605 -0.41670990 e 1.0004657 Incl. 97.85542 +0.90152786 +0.35761099 From 1175 observations 2022 Dec. 1-2025 Feb. 27, mean residual 0".6.

Finding Charts

Magnitudes Graph m1 = 2.5 + 5 log d + 15.0 log r [ ,-360] ( - 2024 July 5) m1 = 6.5 + 5 log d + 10.0 log r(t + 120) [-360, ] (2024 July 5 - )

The orbital elements are published on M.P.E.C. 2025-D254. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.