C/2019 S4 ( Lemmon )

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Updated on March 29, 2020

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* Profile

Discovery Date September 19, 2019
Magnitude 21.4 mag
Discoverer D. Rankin (Mount Lemmon Survey)

* Pictures

* Orbital Elements

Epoch 2020 Apr. 21.0 TT = JDT 2458960.5                                         
T 2020 Apr. 7.94405 TT                                  Rudenko                 
q   3.4416962            (2000.0)            P               Q                  
z  +0.0041600      Peri.   71.35586     +0.17416599     -0.41760502             
 +/-0.0000078      Node    63.16844     -0.12879824     -0.90750243             
e   0.9856825      Incl.   92.02443     +0.97625674     -0.04522594             
From 71 observations 2019 Sept. 17-2020 Feb. 20, mean residual 0".4.            

* Magnitudes Graph

        m1 = 11.5 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2020-F168.
The magnitudes graphs are made with Comet for Windows.

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