123P/West-Hartley (2026)

Japanese version
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 Updated on July 28, 2026

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* Profile

* Pictures

* Orbital Elements

Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 21.92277 TT                                Pike
q   2.1586659            (2000.0)            P               Q
n   0.12854729     Peri.  103.88148     -0.83915665     -0.50993746
a   3.8883089      Node    45.86352     +0.33856397     -0.76194082
e   0.4448317      Incl.   15.28167     +0.42566484     -0.39926179
P   7.67
From 3585 observations 2010 Sept. 12-2026 May 17, mean residual 0".7.
     Nongravitational parameters A1 = -0.29, A2 = -0.0002.

* Finding Charts

* Magnitudes Graph

        m1 = 4.5 + 5 log d + 24.0 log r

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The orbital elements are published on M.P.E.C. 2026-N12.
The charts are made with StellaNavigator Ver.11 (AstroArts).
The magnitudes graphs are made with Comet for Windows.

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Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.