405P/Lemmon (2020)

Japanese version
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Updated on January 23, 2021

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* Profile

Designation 405P/2020 U1
Recovery Date October 17, 22, 23 and 25, 2020
Magnitude 18.8 mag, 18.7 mag, 18.1 mag
Recoverer E. Schwab (Egelsbach, Germany), D. D. Balam and C. E. Spratt (Plaskett telescope at Victoria, BC, Canada), T. Ikemura (Nagoya, Aichi-ken, Japan) and Hirohisa Sato (Sukagawa, Fukushima-ken, Japan), R. Weryk (Pan-STARRS1, Haleakala)

* Pictures

* Orbital Elements

Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                                         
T 2020 Dec. 24.31947 TT                                 Rudenko                 
q   1.1219055            (2000.0)            P               Q                  
n   0.14367824     Peri.  112.24867     -0.43077700     -0.90240940             
a   3.6102896      Node     3.31348     +0.75647121     -0.36675524             
e   0.6892478      Incl.    9.36477     +0.49212040     -0.22615895             
P   6.86                                                                        
From 525 observations 2013 Oct. 4-2020 Oct. 25, mean residual 0".5.             

* Finding Charts

* Magnitudes Graph

        m1 = 18.0 + 5 log d + 8.0 log r(t + 15)

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The orbital elements are published on M.P.E.C. 2020-U231.
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.