C/2017 S7 ( Lemmon )

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Updated on May 20, 2019

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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 27.98869 TT                                  MPCW
q   7.6144442            (2000.0)            P               Q
z  -0.0003058      Peri.  187.75361     +0.19968340     +0.53587658
 +/-0.0000014      Node   262.78685     +0.93753418     +0.13891635
e   1.0023282      Incl.  124.21971     +0.28487926     -0.83278961
From 148 observations 2016 Dec. 18-2018 Nov. 15, mean residual 0".4.

* 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. 2019-J142.
The magnitudes graphs are made with Comet for Windows.

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