C/2023 X2 ( Lemmon )

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Updated on July 12, 2026

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 2026 June 9.0 TT = JDT 2461200.5 T 2025 Dec. 28.53055 TT Pike q 5.0886579 (2000.0) P Q z -0.0000207 Peri. 64.80791 -0.01559041 -0.45147807 +/-0.0000011 Node 66.30299 +0.08207788 -0.88982104 e 1.0001053 Incl. 76.98092 +0.99650397 +0.06622743 From 590 observations 2023 Aug. 18-2026 June 15, mean residual 0".6.

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

The orbital elements are published on M.P.E.C. 2026-M30. The magnitudes graphs are made with Comet for Windows.