C/1999 N2 ( Lynn )

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Updated on February 7, 2000

Profile Discovery Date July 13, 1999 Magnitude 8.0 mag Discoverer D. W. Lynn (near Melbourne) Pictures

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 176 observations 1999 July 14 to Sept. 11, perturbations by 9 Planets, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.73 arc seconds. Epoch = 1999 Aug. 10.0 TT JDT = 2451400.5 T = 1999 July 23.05050 +/- 0.00011 (m.e.) TT Peri. = 357.83403 +/- 0.00019 Node = 254.67569 +/- 0.00021 (2000.0) Incl. = 111.65609 +/- 0.00018 q = 0.7612843 +/- 0.0000002 AU e = 0.9974591 +/- 0.0000202 1/a = +0.0033376 +/- 0.0000265 1/AU ( P = 5186 years ) orig. 1/a = +0.003443 fut. 1/a = +0.004352

Finding Charts

Magnitudes Graph m1 = 7.5 + 5 log d - 5 log r [ ,30] ( - 1999 Aug. 22) m1 = 7.8 + 5 log d + 15.0 log r [30, ] (1999 Aug. 22 - ) * Gray curve is: m1 = 7.8 + 5 log d + 15.0 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.