C/2020 H4 ( Leonard )

Japanese version
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 Updated on March 4, 2025

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* Profile

Discovery Date April 21, 2020
Magnitude 19.5 mag
Discoverer Gregory J. Leonard (Mount Lemmon Survey)

* Orbital Elements

Epoch 2024 Oct. 17.0 TT = JDT 2460600.5                                         
T 2020 Aug. 29.27099 TT                                 Pike                    
q   0.9358895            (2000.0)            P               Q                  
z  +0.0078985      Peri.  116.76706     -0.20383622     -0.57933286             
 +/-0.0007714      Node   307.52120     +0.02397338     +0.80292111             
e   0.9926079      Incl.   84.28958     +0.97871144     -0.14032507             
From 38 observations 2020 Apr. 21-June 2, mean residual 0".8.

* Finding Charts

* Magnitudes Graph

        m1 = 14.0 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2025-A144.
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.