21P/Giacobini-Zinner (2012)

Japanese version
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Updated on June 11, 2016

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* Profile

* Pictures

* Orbital Elements

Epoch 2012 Feb. 3.0 TT = JDT 2455960.5
T 2012 Feb. 11.73453 TT                                 Kobayashi
q   1.0304945            (2000.0)            P               Q
n   0.14940287     Peri.  172.60294     +0.98510219     -0.09938139
a   3.5174675      Node   195.39704     +0.11782875     +0.98449970
e   0.7070351      Incl.   31.91075     +0.12525995     -0.14451185
P   6.60
From 930 observations 1998 Nov. 22-2013 Apr. 1, mean residual 0".9.
     Nongravitational parameters A1 = +0.42, A2 = -0.0985.

* Finding Charts

* Magnitudes Graph

        m1 = 8.7 + 5 log d + 18.5 log r  [ ,0]  (             - 2012 Feb. 11)
        m1 = 8.8 + 5 log d + 15.0 log r  [0, ]  (2012 Feb. 11 -             )

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The orbital elements are published on M.P.E.C. 2015-M77.
The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII).
The magnitudes graphs are made with Comet for Windows.

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