C/2024 D1 ( Lemmon )

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Updated on August 10, 2025

Profile Discovery Date February 16, 2024 Magnitude 21.9 mag Discoverer Mt. Lemmon survey

Orbital Elements Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2027 Dec. 3.37357 TT Pike q 6.6936457 (2000.0) P Q z +0.0001167 Peri. 125.77272 +0.58777787 +0.80901075 +/-0.0000113 Node 179.66347 +0.26113889 -0.19479232 e 0.9992188 Incl. 132.45054 +0.76571774 -0.55457872 From 62 observations 2023 Dec. 27-2025 Feb. 28, mean residual 0".6.

Magnitudes Graph m1 = 6.0 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2025-M120. The magnitudes graphs are made with Comet for Windows.