C/2019 S4 ( Lemmon )

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Updated on June 14, 2021

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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. 7.93973 TT                                  Rudenko
q   3.4417364            (2000.0)            P               Q
z  +0.0041422      Peri.   71.35504     +0.17417797     -0.41759169
 +/-0.0000012      Node    63.16898     -0.12878746     -0.90750916
e   0.9857437      Incl.   92.02500     +0.97625602     -0.04521409
From 242 observations 2019 Sept. 17-2021 Apr. 1, mean residual 0".6.

* Magnitudes Graph

        m1 = 1.7 + 5 log d + 25.0 log r(t - 100)

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The orbital elements are published on M.P.E.C. 2021-J28.
The magnitudes graphs are made with Comet for Windows.

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