78P/Gehrels 2 (2019)

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Updated on April 4, 2021

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* Profile

* Pictures

* Orbital Elements

Epoch 2020 May 31.0 TT = JDT 2459000.5
T 2019 Apr. 2.65578 TT                                  Spoto
q   2.0132357            (2000.0)            P               Q
n   0.13625658     Peri.  192.66107     +0.72966676     -0.68156298
a   3.7402250      Node   210.53588     +0.63648479     +0.70651175
e   0.4617341      Incl.    6.24878     +0.24994706     +0.19055982
P   7.23
From 5701 observations 2011 May 3-2020 May 26, mean residual 0".7.
     Nongravitational parameters A1 = -0.20, A2 = +0.4467.

* 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. 2020-S188.
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.