C/1997 P2 ( Spacewatch )

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Updated on December 25, 1997

Profile Discovery Date August 12, 1997 Magnitude 18.6 mag Discoverer Spacewatch (Kitt Peak)

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 90 observations 1997 Aug. 12 to Sept. 30, perturbations by 9 Planets, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.63 arc seconds. Epoch = 1997 Aug. 20.0 TT JDT = 2450680.5 T = 1997 Aug. 31.12099 +/- 0.77531 (m.e.) TT Peri. = 24.49517 +/- 0.18312 Node = 302.91720 +/- 0.22980 (2000.0) Incl. = 14.58375 +/- 0.05987 q = 4.2633919 +/- 0.0011667 AU e = 1.0284013 +/- 0.0000916 1/a = -0.0066617 +/- 0.0000216 1/AU orig. 1/a = -0.0000311 fut. 1/a = -0.0023503

Finding Charts 1997 May 2 - 1998 Oct. 24

Magnitudes Graph m1 = 10.0 + 5 log d + 10.0 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.