C/1999 Y1 ( LINEAR )

Japanese version
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Updated on June 28, 2003

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* Profile

Discovery Date December 20, 1999
Magnitude 17.5 mag
Discoverer Lincoln Laboratory Near-Earth Asteroid Research project

* Pictures

* Orbital Elements

Epoch 2001 Apr. 1.0 TT = JDT 2452000.5
T 2001 Mar. 24.1109 TT                                  Marsden
q   3.091209             (2000.0)            P               Q
z  -0.000195       Peri.  184.2847      +0.9933702      +0.0346730
 +/-0.000001       Node   188.8839      +0.1146751      -0.3658633
e   1.000603       Incl.  134.7870      -0.0080775      -0.9300225
From 783 observations 1999 Oct. 29-2001 Oct. 14, mean residual 0".6.

* Finding Charts

* Magnitudes Graph

        m1 = 2.3 + 5 log d + 15.0 log r

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The orbital elements are calculated by Dr. Brian G. Marsden and 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) Seiichi Yoshida (comet@aerith.net). All rights reserved.