135P/Shoemaker-Levy 8 (1999)

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Updated on July 11, 1999

Profile Designation 135P/1998 B1 Recovery Date January 22, 1998 Magnitude 21.8 mag Recoverer C. W. Hergenrother (Smithsonian Astrophysical Observatory)

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 86 observations 1992 to 1999, perturbations by 9 Plantes, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.82 arc seconds. Epoch = 1999 Dec. 8.0 TT JDT = 2451520.5 T = 1999 Dec. 10.51715 +/- 0.00068 (m.e.) TT Peri. = 22.58759 +/- 0.00025 Node = 213.31746 +/- 0.00019 (2000.0) Incl. = 6.05042 +/- 0.00003 q = 2.7211912 +/- 0.0000020 AU e = 0.2894580 +/- 0.0000004 a = 3.8297403 +/- 0.0000010 AU n = 0.13150737 +/- 0.00000005 P = 7.495 +/- 0.0000028 years

Finding Charts

Magnitudes Graph m1 = 8.5 + 5 log d + 17.5 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.