C/2023 X2 ( Lemmon )

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Updated on August 10, 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 May 5.0 TT = JDT 2460800.5 T 2025 Dec. 28.08952 TT Pike q 5.0889690 (2000.0) P Q z -0.0000421 Peri. 64.75458 -0.01513715 -0.45144542 +/-0.0000026 Node 66.30477 +0.08288158 -0.88976842 e 1.0002145 Incl. 76.98430 +0.99644443 +0.06715057 From 338 observations 2023 Aug. 18-2025 Apr. 26, 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-M120. The magnitudes graphs are made with Comet for Windows.