137P/Shoemaker-Levy 2 (2000)

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Profile Designation 137P/1998 K6 Recovery Date May 19, 1998 Magnitude 21.0 mag Recoverer C. W. Hergenrother (Smithsonian Astrophysical Observatory)

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 48 observations 1990 to 1999, perturbations by 9 Plantes, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.69 arc seconds. Epoch = 2000 Jan = 2451560.5 T = 2000 Feb. 5.82301 +/- 0.00033 (m.e.) TT Peri. = 142.02045 +/- 0.00030 Node = 234.75346 +/- 0.00028 (2000.0) Incl. = 4.65702 +/- 0.00003 q = 1.8685698 +/- 0.0000048 AU e = 0.5797056 +/- 0.0000010 a = 4.4458594 +/- 0.0000035 AU n = 0.10514061 +/- 0.00000012 P = 9.374 +/- 0.0000110 years

Finding Charts 1998 Jan. 7 - 1999 Dec. 28 1998 Dec. 28 - 2000 June 5

Magnitudes Graph m1 = 15.0 + 5 log d + 5.0 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.