47P/Ashbrook-Jackson (2017)

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Updated on April 27, 2021

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* Profile

* Pictures

* Orbital Elements

Epoch 2017 June 16.0 TT = JDT 2457920.5                                         
T 2017 June 10.16586 TT                                 Rudenko                 
q   2.8182260            (2000.0)            P               Q                  
n   0.11757363     Peri.  357.66691     +0.99568514     +0.09202983             
a   4.1266354      Node   356.97456     -0.08107021     +0.80028984             
e   0.3170645      Incl.   13.03029     -0.04515220     +0.59250880             
P   8.38                                                                        
From 2851 observations 1965 Jan. 31-2021 Mar. 7, mean residual 0".8.            
     Nongravitational parameters A1 = +0.10, A2 = -0.0054.                      

* Finding Charts

* Magnitudes Graph

        m1 = 11.5 + 5 log d + 10.0 log r            [    ,-610]  (             - 2015 Oct.  9)
        m1 =  3.0 + 5 log d + 24.0 log r(t + 20)    [-610, 550]  (2015 Oct.  9 - 2018 Dec. 12)
        m1 = 11.5 + 5 log d + 10.0 log r            [ 550,1015]  (2018 Dec. 12 - 2020 Mar. 21)
        m1 = -7.8 + 5 log d + 50   log r(t - 1350)  [1015,    ]  (2020 Mar. 21 -             )

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The orbital elements are published on M.P.E.C. 2021-F20.
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.