C/1999 H3 ( LINEAR )

Japanese version Home page

Updated on March 31, 2002

Profile Discovery Date April 22, 1999 Magnitude 16.8 mag Discoverer Lincoln Laboratory Near-Earth Asteroid Research project Pictures

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 786 observations 1999 Apr. 22 to 2001 Mar. 31, perturbations by 9 Planets, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.71 arc seconds. Epoch = 1999 Aug. 10.0 TT JDT = 2451400.5 T = 1999 Aug. 18.23390 +/- 0.00029 (m.e.) TT Peri. = 101.91125 +/- 0.00004 Node = 332.72356 +/- 0.00004 (2000.0) Incl. = 115.84027 +/- 0.00003 q = 3.5008678 +/- 0.0000018 AU e = 1.0028222 +/- 0.0000027 1/a = -0.0008062 +/- 0.0000008 1/AU orig. 1/a = +0.0000656 fut. 1/a = -0.0000092

Finding Charts

Magnitudes Graph m1 = 5.5 + 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.