C/2023 X2 ( Lemmon )

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Updated on December 22, 2025

Profile Discovery Date December 4, 2023 Magnitude 19.7 mag, 20.5 mag Discoverer Mt. Lemmon Survey, Pan-STARRS 1 telescope (Haleakala) Pictures

Orbital Elements Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2025 Dec. 28.36690 TT Pike q 5.0885523 (2000.0) P Q z -0.0000067 Peri. 64.78870 -0.01542805 -0.45151537 +/-0.0000015 Node 66.30088 +0.08237999 -0.88977670 e 1.0000338 Incl. 76.98046 +0.99648157 +0.06656801 From 479 observations 2023 Aug. 18-2025 Dec. 11, mean residual 0".5.

Magnitudes Graph m1 = 5.0 + 5 log d + 12.0 log r

The orbital elements are published on M.P.E.C. 2025-X127. The magnitudes graphs are made with Comet for Windows.