509P/Catalina (2026)

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Updated on March 31, 2026

Profile Designation 509P/2024 T6 Recovery Date October 23 and October 3, 2024 Magnitude 21.7 mag and 21.8 mag Recoverer Mt. Lemmon, T. Kobayashi, Pan-STARRS 1 telescope (Haleakala) Pictures

Orbital Elements Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2026 Mar. 19.81747 TT Pike q 3.6928839 (2000.0) P Q n 0.05278090 Peri. 180.09959 -0.09249752 -0.98450330 a 7.0385764 Node 275.20884 +0.91365214 -0.02443555 e 0.4753365 Incl. 8.60409 +0.39583326 -0.17365526 P 18.7 From 577 observations 2006 Oct. 19-2026 Mar. 19, mean residual 0".7.

Magnitudes Graph m1 = 1.5 + 5 log d + 25.0 log r

The orbital elements are published on M.P.E.C. 2026-F123. The magnitudes graphs are made with Comet for Windows.