21P/Giacobini-Zinner (2012)

Japanese version
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 Updated on February 22, 2012

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* Profile

* Pictures

* Orbital Elements

Epoch 2012 Feb. 3.0 TT = JDT 2455960.5
T 2012 Feb. 11.73331 TT                                 MPC
q   1.0304869            (2000.0)            P               Q
n   0.14939716     Peri.  172.60332     +0.98510153     -0.09938853
a   3.5175572      Node   195.39706     +0.11783554     +0.98449919
e   0.7070447      Incl.   31.91062     +0.12525879     -0.14451044
P   6.60
From 1087 observations 1998 Jan. 20-2012 Jan. 10, mean residual 0".8.
     Nongravitational parameters A1 = +0.16, A2 = -0.0988.

* Finding Charts

* Magnitudes Graph

        m1 = 8.7 + 5 log d + 18.5 log r

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The orbital elements are published on M.P.E.C. 2012-A52.
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.