C/2021 A1 ( Leonard )

Japanese version
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 Updated on March 4, 2023

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* Profile

Discovery Date January 3, 2021
Magnitude 19.0 mag
Discoverer Gregory J. Leonard (Mount Lemmon Survey)

* Pictures

* Orbital Elements

Epoch 2022 Jan. 21.0 TT = JDT 2459600.5
T 2022 Jan. 3.29906 TT                                  Rudenko
q   0.6152578            (2000.0)            P               Q
z  -0.0000414      Peri.  225.09246     +0.63773960     +0.29161748
 +/-0.0000008      Node   255.89590     +0.72791549     -0.53080564
e   1.0000255      Incl.  132.68654     -0.25184764     -0.79574155
From 2184 observations 2020 Apr. 11-2021 Dec. 23, mean residual 0".8.

* Finding Charts

* Magnitudes Graph

        m1 = 8.5 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2022-C56.
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.