C/2018 F4 ( PanSTARRS )

Japanese version
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Updated on April 19, 2021

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* Profile

Discovery Date March 17, 2018
Magnitude 20.4 mag
Discoverer Pan-STARRS 1 telescope (Haleakala)

* Pictures

* Orbital Elements

    C/2018 F4 (PANSTARRS)
Epoch 2019 Dec. 23.0 TT = JDT 2458840.5                                         
T 2019 Dec. 4.08457 TT                                  Spoto                   
q   3.4398948            (2000.0)            P               Q                  
z  -0.0004269      Peri.  263.20965     -0.01440811     +0.89947801             
                   Node    26.50799     +0.16994761     +0.43262167             
e   1.0014684      Incl.   78.09860     -0.98534776     +0.06146382             
From 491 observations 2018 Mar. 25-2021 Jan. 4, mean residual 0".7.             
     Nongravitational parameters A1 = +2.07, A2 = -0.8876.                      
                                                                                
    C/2018 F4-B (PANSTARRS)
Epoch 2019 Dec. 23.0 TT = JDT 2458840.5                                         
T 2019 Dec. 4.00295 TT                                  Spoto                   
q   3.4394165            (2000.0)            P               Q                  
z  -0.0004554      Peri.  263.18731     -0.01475703     +0.89946832             
 +/-0.0000032      Node    26.50853     +0.16977959     +0.43269575             
e   1.0015663      Incl.   78.09865     -0.98537157     +0.06108297             
From 110 observations 2020 Sept. 12-2021 Jan. 5, mean residual 0".6.            

* Finding Charts

* Magnitudes Graph

        m1 = -9.0 + 5 log d + 30   log r  [    ,-615]  (             - 2018 Mar. 29)
        m1 =  3.0 + 5 log d + 15.0 log r  [-615,    ]  (2018 Mar. 29 -             )

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The orbital elements are published on M.P.E.C. 2021-B143.
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.