C/2023 H1 ( PanSTARRS )

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Updated on August 30, 2025

Profile Discovery Date April 17, 2023 Magnitude 20.8 mag Discoverer Pan-STARRS 2 telescope (Haleakala) Pictures

Orbital Elements Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2024 Nov. 28.65456 TT Pike q 4.4476155 (2000.0) P Q z +0.0013205 Peri. 333.75420 -0.03363389 +0.93892548 +/-0.0000025 Node 292.64672 -0.83924173 -0.21260951 e 0.9941269 Incl. 21.78254 -0.54271732 +0.27058480 From 579 observations 2023 Apr. 17-2025 Aug. 4, mean residual 0".3.

Magnitudes Graph m1 = 3.0 + 5 log d + 16.0 log r(t - 100)

The orbital elements are published on M.P.E.C. 2025-P113. The magnitudes graphs are made with Comet for Windows.