C/2020 X4 ( Leonard )

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Updated on February 20, 2021

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* Profile

Discovery Date December 14, 2020
Magnitude 20.0 mag
Discoverer Gregory J. Leonard (Mount Lemmon Survey)

* Orbital Elements

Epoch 2020 Nov. 7.0 TT = JDT 2459160.5
T 2020 Nov. 10.79650 TT                                 Rudenko
q   5.2092779            (2000.0)            P               Q
z  +0.0213968      Peri.  139.48854     +0.68928908     +0.65652784
 +/-0.0000000      Node   161.90273     -0.56521878     +0.22278913
e   0.8885381      Incl.   80.47920     +0.45321992     -0.72064985
From 80 observations 2020 Dec. 14-2021 Jan. 5, mean residual 0".6.

* Magnitudes Graph

        m1 = 9.0 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2021-B143.
The magnitudes graphs are made with Comet for Windows.

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Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.