22P/Kopff (1996)

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Updated on December 31, 2013

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Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 539 observations 1982 to 1997, including 9 Planets, Moon and 5 minor planets perturbations and non-gravitational effect of style II. The mean residual is +/- 0.93 arc seconds. Epoch = 1996 July 16.0 TT JDT = 2450280.5 T = 1996 July 2.19151 +/- 0.00034 (m.e.) TT Peri. = 162.83733 +/- 0.00021 Node = 120.90697 +/- 0.00009 (2000.0) Incl. = 4.72102 +/- 0.00001 q = 1.5795751 +/- 0.0000006 AU e = 0.5440721 +/- 0.0000003 a = 3.4645283 +/- 0.0000007 AU n = 0.15284031 +/- 0.00000005 P = 6.449 +/- 0.0000021 years A1 = -0.161 +/- 0.016 A2 = -0.09090 +/- 0.00088

Finding Charts 1995 May 3 - 1996 Sept.24 1996 Apr. 27 - 1997 Aug. 20

Magnitudes Graph m1 = 5.3 + 5 log d + 21.0 log r [ ,450] ( - 1997 Sept.25) m1 = 2.5 + 5 log d + 20.0 log r [450, ] (1997 Sept.25 - )

The orbital elements are calculated by Kenji Muraoka. The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII). The magnitudes graphs are made with Comet for Windows.