C/1997 N1 ( Tabur )

Japanese version Home page

Updated on November 10, 2002

Profile Discovery Date July 2, 1997 Magnitude 10 mag Discoverer Vello Tabur (Wanniassa, Australian Capital Territory)

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 68 observations 1997 July 3 to 30, perturbations by 9 Planets, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.82 arc seconds. Epoch = 1997 Aug. 20.0 TT JDT = 2450680.5 T = 1997 Aug. 15.47943 +/- 0.00058 (m.e.) TT Peri. = 344.19149 +/- 0.00402 Node = 147.61014 +/- 0.00275 (2000.0) Incl. = 85.96427 +/- 0.00313 q = 0.3956521 +/- 0.0000400 AU e = 1.0000476 +/- 0.0000786 1/a = -0.0001202 +/- 0.0001987 1/AU

Finding Charts 1997 Apr. 12 - 1997 Aug. 10 1997 Aug. 10 - 1998 Oct. 14

Magnitudes Graph m1 = 10.5 + 5 log d + 10.0 log r [ ,-28] ( - 1997 July 18) m1 = 8.0 + 5 log d - 18.0 log r [-28, 0] (1997 July 18 - 1997 Aug. 15) m1 = 21.5 + 5 log d + 15.0 log r [ 0, ] (1997 Aug. 15 - ) * Gray curve is: m1 = 10.5 + 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.