P/1999 RO28 ( LONEOS )

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Updated on January 22, 2000

Profile Discovery Date September 7, 1999 Magnitude 18.4 mag Discoverer Lowell Observatory Near-Earth Object Search

Orbital Elements The following improved orbital elements by Kenji Muraoka, are from 109 observations 1999 Sept. 7 to Nov. 13, perturbations by 9 Planets, Moon and 5 minor planets were taken into account. The mean residual is +/- 0.73 arc seconds. Epoch = 1999 Sept. 19.0 TT JDT = 2451440.5 T = 1999 Oct. 2.34327 +/- 0.00033 (m.e.) TT Peri. = 219.85872 +/- 0.00111 Node = 148.45030 +/- 0.00093 (2000.0) Incl. = 8.19110 +/- 0.00017 q = 1.2317608 +/- 0.0001424 AU e = 0.6507922 +/- 0.0000274 a = 3.5273002 +/- 0.0002999 AU n = 0.14877859 +/- 0.00001897 P = 6.625 +/- 0.0008448 years (+/- 0.31 day)

Finding Charts

Magnitudes Graph m1 = 20.5 + 5 log d + 10.0 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.