2I/Borisov

Japanese version
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 Updated on May 17, 2021

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* Profile

Designation 2I/2019 Q4
Discovery Date August 30, 2019
Magnitude 17.8 mag
Discoverer Gennady Borisov (MARGO observatory near Nauchnij, Crimea)

* Pictures

* Orbital Elements

Epoch 2019 Dec. 23.0 TT = JDT 2458840.5                                         
T 2019 Dec. 8.55304 TT                                  Rudenko                 
q   2.0065419            (2000.0)            P               Q                  
z  -1.1744789      Peri.  209.12395     -0.81468062     -0.19310925             
 +/-0.0000112      Node   308.14788     +0.56668004     -0.46536092             
e   3.3566410      Incl.   44.05271     -0.12316341     -0.86379860             
From 2845 observations 2018 Dec. 13-2020 Apr. 28, mean residual 0".4.

* Finding Charts

* Magnitudes Graph

        H = 12.3  G = 0.15                [    ,-110]  (             - 2019 Aug. 20)
        m1 = 10.5 + 5 log d + 10.0 log r  [-110,    ]  (2019 Aug. 20 -             )

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The orbital elements are published on M.P.E.C. 2020-H235.
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.