78P/Gehrels 2 (2004)

Japanese version
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Total 6,336 html files since Dec. 4, 1995
Updated on January 7, 2006

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* Profile

* Pictures

* Orbital Elements

The following orbital elements are taken from MPC 52321: 

Epoch 2004 Nov. 11.0 TT = JDT 2453320.5
T 2004 Oct. 27.0675 TT                                  MPC
q   2.008183             (2000.0)            P               Q
n   0.1364659      Peri.  192.9623      +0.7259384      -0.6855284
a   3.736400       Node   210.5472      +0.6403269      +0.7030521
e   0.462535       Incl.    6.2527      +0.2509880      +0.1891258
P   7.22
From 438 observations 1973-2004, mean residual 0".8.  Nongravitational
     parameters A1 = -0.78, A2 = -0.0270.

* Finding Charts

* Magnitudes Graph

        m1 = -1   + 5 log d + 40   log r  [   ,  0]  (             - 2004 Oct. 27)
        m1 =  5.7 + 5 log d + 15.0 log r  [  0,240]  (2004 Oct. 27 - 2005 June 24)
        m1 = -0.8 + 5 log d + 30.0 log r  [240,   ]  (2005 June 24 -             )

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The orbital elements are published at the MPC Ephemerides and Orbital Elements.
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) 1995-2008 Seiichi Yoshida (comet@aerith.net). All rights reserved.