C/1997 T1 ( Utsunomiya )

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Updated on December 31, 2016

Profile Discovery Date October 3, 1997 Magnitude 10.5 mag Discoverer Syogo Utsunomiya (Kumamoto, Japan) Pictures

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 571 observations 1997 Oct. 5 to 1998 June 18, perturbations by 9 Planets, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.69 arc seconds. Epoch = 1997 Dec. 18.0 TT JDT = 2450800.5 T = 1997 Dec. 10.14495 +/- 0.00004 (m.e.) TT Peri. = 95.96559 +/- 0.00002 Node = 53.70318 +/- 0.00002 (2000.0) Incl. = 127.99265 +/- 0.00002 q = 1.3591073 +/- 0.0000003 AU e = 0.9985255 +/- 0.0000016 1/a = +0.0010849 +/- 0.0000012 1/AU ( P = 27984 years ) orig. 1/a = +0.001160 1/AU fut. 1/a = +0.001313 1/AU

Finding Charts 1997 Sept. 9 - 1997 Oct. 29 1997 Oct. 29 - 1999 Jan. 22

Magnitudes Graph m1 = 6.5 + 5 log d + 16.5 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.