21P/Giacobini-Zinner (1998)

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Updated on December 31, 2016

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* Profile

* Pictures

* Orbital Elements

Epoch 1998 Nov. 3.0 TT = JDT 2451120.5
T 1998 Nov. 21.31970 TT                                 MPC
q   1.0337424            (2000.0)            P               Q
n   0.14912233     Peri.  172.54292     +0.98522174     -0.09847671
a   3.5218776      Node   195.39719     +0.11678456     +0.98473792
e   0.7064797      Incl.   31.85918     +0.12529759     -0.14350461
P   6.61
From 1204 observations 1998 Jan. 20-2012 Feb. 29, mean residual 0".8.
     Nongravitational parameters A1 = +0.13, A2 = -0.0982.

* Finding Charts

* Magnitudes Graph

        m1 = 9.0 + 5 log d + 18.5 log r(t + 15)  [   , 15]  (             - 1998 Dec.  6)
        m1 = 9.7 + 5 log d + 10.0 log r          [ 15,120]  (1998 Dec.  6 - 1999 Mar. 21)
        m1 = 7.0 + 5 log d + 20.0 log r          [120,   ]  (1999 Mar. 21 -             )

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The orbital elements are published on M.P.E.C. 2012-F11.
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.