C/2017 S7 ( Lemmon )

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Updated on August 28, 2020

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* Profile

Discovery Date September 26, 2017
Magnitude 19.6 mag
Discoverer R. G. Matheny (Mount Lemmon survey)

* Pictures

* Orbital Elements

Epoch 2017 June 16.0 TT = JDT 2457920.5
T 2017 May 28.00671 TT                                  Rudenko
q   7.6144574            (2000.0)            P               Q
z  -0.0003044      Peri.  187.75483     +0.19969451     +0.53587309
 +/-0.0000018      Node   262.78688     +0.93753720     +0.13889625
e   1.0023180      Incl.  124.21976     +0.28486153     -0.83279521
From 154 observations 2016 Jan. 13-2018 Dec. 4, mean residual 0".6.

* Magnitudes Graph

        m1 = 6.2 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2020-Q175.
The magnitudes graphs are made with Comet for Windows.

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