C/2018 DO4 ( Lemmon )

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Updated on January 20, 2022

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* Profile

Discovery Date February 25, 2018
Magnitude 20.6 mag
Discoverer G. J. Leonard (Mount Lemmon Survey)

* Pictures

* Orbital Elements

Epoch 2019 Aug. 25.0 TT = JDT 2458720.5                                         
T 2019 Aug. 18.40513 TT                                 Rudenko                 
q   2.4059602            (2000.0)            P               Q                  
n   0.00749584     Peri.  175.97274     +0.25994062     +0.91236348             
a  25.8576556      Node   251.13284     +0.87634450     -0.08534723             
e   0.9069537      Incl.  160.47471     +0.40552582     -0.40038573             
P 131                                                                           
From 808 observations 2016 Apr. 5-2021 Oct. 9, mean residual 0".5.              

* Finding Charts

* Magnitudes Graph

        H = 13.5  G = 0.15                [    ,-325]  (             - 2018 Sept.27)
        m1 = 11.0 + 5 log d + 10.0 log r  [-325, 205]  (2018 Sept.27 - 2020 Mar. 10)
        H = 13.0  G = 0.15                [ 205,    ]  (2020 Mar. 10 -             )

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The orbital elements are published on M.P.E.C. 2021-U31.
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.