The following improved orbital elements by Kenji Muraoka, are from
164 observations 1999 May 12 to Dec. 6, including 9 Planets, Moon
and 5 minor planets perturbations and non-gravitational effect of
style II. The mean residual is +/- 0.73 arc seconds.
Epoch = 1999 Sept. 19.0 TT JDT = 2451440.5
T = 1999 Sept. 20.16617 +/- 0.00020 (m.e.) TT
Peri. = 161.97954 +/- 0.00019
Node = 228.97904 +/- 0.00009 (2000.0)
Incl. = 101.65622 +/- 0.00008
q = 0.9768108 +/- 0.0000035 AU
e = 0.9993830 +/- 0.0000151
1/a = +0.0006317 +/- 0.0000154 1/AU
A1 = +2.21 +/- 0.13
A2 = -0.6575 +/- 0.1095
( P = 62986 years )