C/2023 H5 ( Lemmon )

Japanese version Home page

Updated on July 12, 2026

Profile Discovery Date April 19, 2023 Magnitude 20.2 mag Discoverer Mt. Lemmon Survey Pictures

Orbital Elements Epoch 2026 June 9.0 TT = JDT 2461200.5 T 2025 June 30.45455 TT Pike q 4.3129859 (2000.0) P Q z -0.0001495 Peri. 60.12563 -0.42491201 +0.83592752 +/-0.0000005 Node 159.47149 -0.07960286 -0.41676691 e 1.0006448 Incl. 97.85509 +0.90172788 +0.35711417 From 2648 observations 2022 Dec. 1-2026 July 2, mean residual 0".5.

Finding Charts

Magnitudes Graph m1 = 2.5 + 5 log d + 15.0 log r [ ,-360] ( - 2024 July 5) m1 = 6.5 + 5 log d + 10.0 log r(t + 120) [-360, ] (2024 July 5 - )

The orbital elements are published on M.P.E.C. 2026-N12. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.