C/2021 U4 ( Leonard )

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Updated on January 17, 2022

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* Profile

Discovery Date October 31, 2021
Magnitude 19.8 mag
Discoverer G. J. Leonard (Mt. Lemmon)

* Orbital Elements

Epoch 2022 Jan. 21.0 TT = JDT 2459600.5
T 2021 Dec. 21.94327 TT                                 Rudenko
q   1.7874266            (2000.0)            P               Q
z  +0.0222730      Peri.  237.27958     +0.91534466     +0.02651560
 +/-0.0000817      Node   241.80509     +0.26506298     -0.79083207
e   0.9601887      Incl.  152.87773     -0.30312666     -0.61145855
From 36 observations 2021 Oct. 7-Nov. 8, mean residual 0".3.

* Magnitudes Graph

        m1 = 17.0 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2021-W31.
The magnitudes graphs are made with Comet for Windows.

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