C/2017 D2 ( Barros )

Japanese version
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Updated on September 23, 2018

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* Profile

Discovery Date February 23, 2017
Magnitude 17.4 mag
Discoverer J. Barros (SONEAR Observatory at Oliveira)

* Pictures

* Orbital Elements

Epoch 2017 July 26.0 TT = JDT 2457960.5
T 2017 July 14.53247 TT                                 MPCW
q   2.4858688            (2000.0)            P               Q
z  +0.0007299      Peri.  334.33930     +0.60946351     +0.75193654
 +/-0.0000009      Node   331.04190     -0.60815136     +0.24005768
e   0.9981855      Incl.   31.26573     -0.50863165     +0.61397374
From 404 observations 2017 Feb. 23-2018 Sept. 17, mean residual 0".5.

* Finding Charts

* Magnitudes Graph

        m1 = 11.0 + 5 log d + 10.0 log r(t + 100)

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The orbital elements are published on M.P.E.C. 2018-S50.
The charts are made with StellaNavigator Ver.10 (AstroArts).
The magnitudes graphs are made with Comet for Windows.

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