P/1998 U3 ( Jager )

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Updated on June 11, 2005

Profile Discovery Date October 23, 1998 Magnitude 12.5 mag Discoverer Michael Jager (east of Vienna) Pictures

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 746 observations 1998 Oct. 24 to 1999 May 11, perturbations by 9 Planets, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.64 arc seconds. Epoch = 1999 Mar. 3.0 TT JDT = 2451240.5 T = 1999 Mar. 10.07039 +/- 0.00058 (m.e.) TT Peri. = 180.89502 +/- 0.00031 Node = 303.54272 +/- 0.00038 (2000.0) Incl. = 19.14130 +/- 0.00011 q = 2.1338899 +/- 0.0000358 AU e = 0.6482051 +/- 0.0000040 a = 6.0657210 +/- 0.0000746 AU n = 0.06597516 +/- 0.00000122 P = 14.939 +/- 0.0002757 years (+/- 0.10 day)

Finding Charts

Magnitudes Graph m1 = 1.7 + 5 log d + 25 log r(t + 33)

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.