C/1999 F2 ( Dalcanton )

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Updated on June 11, 2000

Profile Discovery Date March 20, 1999 Magnitude 15.5 mag Discoverer Sloan Digital Sky Survey Pictures

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 104 observations 1998 June 18 to 2000 May 5, perturbations by 9 Planets, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.72 arc seconds. Epoch = 1998 Aug. 15.0 TT JDT = 2451040.5 T = 1998 Aug. 23.98570 +/- 0.00309 (m.e.) TT Peri. = 352.39315 +/- 0.00025 Node = 210.29598 +/- 0.00028 (2000.0) Incl. = 56.42109 +/- 0.00018 q = 4.7187951 +/- 0.0000168 AU e = 0.9986054 +/- 0.0000185 1/a = +0.0002955 +/- 0.0000039 1/AU orig. 1/a = +0.000054 fut. 1/a = +0.000356

Finding Charts

Magnitudes Graph m1 = 5.3 + 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.