C/2024 D1 ( Lemmon )

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Updated on January 24, 2026

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

Orbital Elements Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2027 Dec. 3.52588 TT Alexandersen q 6.6923579 (2000.0) P Q z +0.0000863 Peri. 125.78765 +0.58805936 +0.80880564 +/-0.0000067 Node 179.65600 +0.26098845 -0.19493589 e 0.9994222 Incl. 132.44834 +0.76555288 -0.55482739 From 65 observations 2023 Dec. 27-2026 Jan. 9, 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. 2026-A90. The magnitudes graphs are made with Comet for Windows.