130P/McNaught-Hughes (1998)

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Updated on March 26, 1999

Profile Designation 130P/1997 H1 Recovery Date April 16, 29, 1997 Magnitude 20.6 mag, 20.3 mag Recoverer J. V. Scotti, J. Larsen (Kitt Peak), A. Nakamura (Kuma Kogen)

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 91 observations 1991 Sept. 14 to 1999 Jan. 15, perturbations by 9 Plantes, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.57 arc seconds. Epoch = 1998 Mar. 8.0 TT JDT = 2450880.5 T = 1998 Feb. 23.78371 +/- 0.00025 (m.e.) TT Peri. = 224.36816 +/- 0.00022 Node = 89.97248 +/- 0.00022 (2000.0) Incl. = 7.30336 +/- 0.00002 q = 2.1162919 +/- 0.0000004 AU e = 0.4041126 +/- 0.0000001 a = 3.5514967 +/- 0.0000003 AU n = 0.14726073 +/- 0.00000002 P = 6.693 +/- 0.0000008 years

Finding Charts 1997 Apr. 2 - 1998 Feb. 16 1998 Jan. 7 - 1998 Nov. 23

Magnitudes Graph m1 = 11.5 + 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.