123P/West-Hartley (2026)

Japanese version
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 Updated on March 25, 2025

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* Profile

* Orbital Elements

Epoch 2026 Oct. 7.0 TT = JDT 2461320.5                                          
T 2026 Sept. 21.87194 TT                                Rudenko                 
q   2.1587526            (2000.0)            P               Q                  
n   0.12858799     Peri.  103.87639     -0.83897953     -0.51024884             
a   3.8874884      Node    45.84768     +0.33884691     -0.76178201             
e   0.4446922      Incl.   15.28140     +0.42578882     -0.39916700             
P   7.66                                                                        
From 4354 observations 1995 Dec. 21-2019 Aug. 4, mean residual 0".8.            
     Nongravitational parameters A1 = -0.07, A2 = +0.0011.

* Finding Charts

* Magnitudes Graph

        m1 = 4.5 + 5 log d + 24.0 log r

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The orbital elements are published on M.P.E.C. 2021-F20.
The charts are made with StellaNavigator Ver.11 (AstroArts).
The magnitudes graphs are made with Comet for Windows.

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