C/1996 P2 ( Russell-Watson )

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Updated on June 27, 1998

Profile Discovery Date August 10, 1996 Magnitude 13 mag Discoverer Kenneth S. Russell, Fred G. Watson (Anglo-Australian Observatory)

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 137 observations 1996 Aug. 11 to 1998 Feb. 2, perturbations by 9 Planets, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.71 arc seconds. Epoch = 1996 Mar. 18.0 TT JDT = 2450160.5 T = 1996 Mar. 1.35294 +/- 0.00188 (m.e.) TT Peri. = 188.80146 +/- 0.00032 Node = 101.40412 +/- 0.00031 (2000.0) Incl. = 29.08318 +/- 0.00009 q = 2.0057437 +/- 0.0000148 AU e = 1.0003789 +/- 0.0000075 1/a = -0.0001889 +/- 0.0000037 1/AU orig. 1/a = +0.001056 fut. 1/a = +0.000952

Finding Charts 1995 Jan. 3 - 1996 Feb. 27 1996 Feb. 27 - 1997 Nov. 28

Magnitudes Graph m1 = 7.0 + 5 log d + 9.2 log r

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.