117P/Helin-Roman-Alu 1 (2005)

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Updated on May 5, 2012

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* Profile

* Pictures

* Orbital Elements

Epoch 2005 Dec. 16.0 TT = JDT 2453720.5
T 2005 Dec. 19.90503 TT                                 MPC
q   3.0369804            (2000.0)            P               Q
n   0.11960806     Peri.  222.67118     +0.19454020     +0.97228319
a   4.0797081      Node    58.93789     -0.85419615     +0.23291936
e   0.2555888      Incl.    8.70803     -0.48218569     -0.02034622
P   8.24
From 2112 observations 1988 Aug. 12-2012 Apr. 29, mean residual 0".8.
     Nongravitational parameters Y1 = +0.34, Y2 = +0.0265.

* Finding Charts

* Magnitudes Graph

        m1 = 3.0 + 5 log d + 18.0 log r(t - 140)

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The orbital elements are published on M.P.E.C. 2012-J16.
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.