78P/Gehrels 2 (2019)

Japanese version
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Updated on July 31, 2021

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* Profile

* Pictures

* Orbital Elements

Epoch 2019 Mar. 18.0 TT = JDT 2458560.5
T 2019 Apr. 2.76433 TT                                  Rudenko
q   2.0137749            (2000.0)            P               Q
n   0.13625603     Peri.  192.69286     +0.72913738     -0.68212772
a   3.7402351      Node   210.54853     +0.63702432     +0.70601945
e   0.4615914      Incl.    6.24863     +0.25011738     +0.19036365
P   7.23
From 5704 observations 1973 Sept. 29-2020 May 26, mean residual 1".6.
     Nongravitational parameters A1 = +0.04, A2 = +0.0391.

* Finding Charts

* Magnitudes Graph

        m1 =  1.0 + 5 log d + 30.0 log r  [   ,  0]  (             - 2019 Apr.  2)
        m1 =  4.0 + 5 log d + 20.0 log r  [  0,190]  (2019 Apr.  2 - 2019 Oct.  9)
        m1 =  0.0 + 5 log d + 30.0 log r  [190,375]  (2019 Oct.  9 - 2020 Apr. 11)
        m1 = 10.5 + 5 log d + 10.0 log r  [375,   ]  (2020 Apr. 11 -             )

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The orbital elements are published on M.P.E.C. 2021-O56.
The charts are made with StellaNavigator Ver.8 (AstroArts).
The magnitudes graphs are made with Comet for Windows.

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