C/2017 S7 ( Lemmon )

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Updated on February 13, 2018

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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 28.09419 TT                                  MPCW
q   7.6145658            (2000.0)            P               Q
z  -0.0003162      Peri.  187.76050     +0.19974810     +0.53585010
 +/-0.0000021      Node   262.78682     +0.93755091     +0.13880421
e   1.0024076      Incl.  124.21954     +0.28477885     -0.83282535
From 121 observations 2016 Dec. 18-2018 Jan. 20, mean residual 0".4.

* Magnitudes Graph

        m1 = 6.5 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2018-B155.
The magnitudes graphs are made with Comet for Windows.

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