12P/Pons-Brooks (2024)

Japanese version
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Updated on June 9, 2024

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* 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. 21.12394 TT                                 Rudenko
q   0.7807799            (2000.0)            P               Q
n   0.01381034     Peri.  198.98909     +0.14510771     -0.32930066
a  17.2054650      Node   255.85590     +0.98566270     +0.13016964
e   0.9546202      Incl.   74.19152     +0.08609760     -0.93520957
P  71.4
>From 7480 observations 2023 June 1-2024 May 1, 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 -             )

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The orbital elements are published on M.P.E.C. 2024-J304.
The charts are made with StellaNavigator Ver.10 (AstroArts).
The magnitudes graphs are made with Comet for Windows.

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Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.