C/2019 Y4 ( ATLAS )

Japanese version
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Updated on April 3, 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 31.01440 TT                                  Rudenko
q   0.2528310            (2000.0)            P               Q
z  +0.0029933      Peri.  177.41009     +0.48073934     +0.62712423
 +/-0.0000051      Node   120.56970     -0.81675930     +0.57456253
e   0.9992432      Incl.   45.38141     -0.31905160     -0.52592119
From 916 observations 2019 Dec. 28-2020 Mar. 19, mean residual 0".5.

* Finding Charts

* Magnitudes Graph

        m1 = -0.5 + 5 log d + 36   log r  [   ,-73]  (             - 2020 Mar. 19)
        m1 =  5.5 + 5 log d + 10.0 log r  [-73,   ]  (2020 Mar. 19 -             )

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The orbital elements are published on M.P.E.C. 2020-F67.
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.