C/2019 S4 ( Lemmon )

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Updated on November 3, 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. 7.93803 TT                                  Rudenko
q   3.4417392            (2000.0)            P               Q
z  +0.0041414      Peri.   71.35470     +0.17418013     -0.41759123
 +/-0.0000012      Node    63.16895     -0.12878200     -0.90750966
e   0.9857464      Incl.   92.02497     +0.97625636     -0.04520822
From 219 observations 2019 Sept. 17-2020 Oct. 16, mean residual 0".5.

* Magnitudes Graph

        m1 = 2.0 + 5 log d + 25.0 log r(t - 70)

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The orbital elements are published on M.P.E.C. 2020-U96.
The magnitudes graphs are made with Comet for Windows.

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