12P/Pons-Brooks (2024)

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Updated on April 25, 2024

Profile Recovery Date June 10, 2020 Magnitude 22.8 mag Recoverer M. M. Knight, C. E. Holt, Q.-Z. Ye, L. M. Feaga, M. S. P. Kelley, L. Shumar, J. Sanborn, A. Hayslip (Lowell Observatory) Pictures

Orbital Elements Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 T 2024 Apr. 21.12375 TT Rudenko q 0.7807784 (2000.0) P Q n 0.01380966 Peri. 198.98908 +0.14510775 -0.32930047 a 17.2060336 Node 255.85590 +0.98566269 +0.13016963 e 0.9546218 Incl. 74.19153 +0.08609759 -0.93520964 P 71.4 >From 7361 observations 2023 Feb. 27-2024 Mar. 18, mean residual 0".6.

Finding Charts

Magnitudes Graph H = 12.5 G = 0.15 [ ,-840] ( - 2022 Jan. 2) m1 = 5.0 + 5 log d + 13.5 log r [-840,-276] (2022 Jan. 2 - 2023 July 20) m1 = 9.0 + 5 log d + 0.0 log r [-276,-158] (2023 July 20 - 2023 Nov. 15) m1 = 8.5 + 5 log d - 5.0 log r [-158,-100] (2023 Nov. 15 - 2024 Jan. 12) m1 = 4.6 + 5 log d + 9.5 log r [-100, 0] (2024 Jan. 12 - 2024 Apr. 21) m1 = 5.0 + 5 log d + 13.5 log r [ 0, ] (2024 Apr. 21 - )

The orbital elements are published on M.P.E.C. 2024-F34. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.