C/2019 S4 ( Lemmon )

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Updated on August 15, 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. 7.94180 TT                                  Rudenko
q   3.4417259            (2000.0)            P               Q
z  +0.0041449      Peri.   71.35548     +0.17417503     -0.41759262
 +/-0.0000012      Node    63.16900     -0.12879460     -0.90750835
e   0.9857346      Incl.   92.02503     +0.97625561     -0.04522173
From 137 observations 2019 Sept. 17-2020 Aug. 3, mean residual 0".4.

* 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-P19.
The magnitudes graphs are made with Comet for Windows.

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