C/2019 Y4 ( ATLAS )

Japanese version
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Updated on February 21, 2020

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* Profile

Discovery Date December 28, 2019
Magnitude 19.6 mag
Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program

* Pictures

* Orbital Elements

Epoch 2020 May 31.0 TT = JDT 2459000.5
T 2020 May 31.04374 TT                                  Bell
q   0.2529776            (2000.0)            P               Q
z  +0.0031781      Peri.  177.39929     +0.48075700     +0.62706636
 +/-0.0000780      Node   120.57828     -0.81680110     +0.57448610
e   0.9991960      Incl.   45.39085     -0.31891797     -0.52607366
From 201 observations 2019 Dec. 28-2020 Feb. 3, mean residual 0".5.

* Finding Charts

* Magnitudes Graph

        m1 = 11.5 + 5 log d + 10.0 log r  [    ,-110]  (             - 2020 Feb. 11)
        m1 =  9.5 + 5 log d + 10.0 log r  [-110,    ]  (2020 Feb. 11 -             )

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The orbital elements are published on M.P.E.C. 2020-C98.
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.