Orbital Elements
The following improved orbital elements by Kenji Muraoka,
are from 461 observations 1967 to 1998, including 9 Planets,
Moon and 5 minor planets perturbations and non-gravitational
effect of style II. The mean residual is +/- 0.90 arc seconds.
Epoch = 2000 Jan. 17.0 TT JDT = 2451560.5
T = 2000 Jan. 2.61656 +/- 0.00023 (m.e.) TT
Peri. = 178.91098 +/- 0.00012
Node = 68.96653 +/- 0.00007 (2000.0)
Incl. = 10.54133 +/- 0.00001
q = 1.5000475 +/- 0.0000004 AU
e = 0.5189535 +/- 0.0000001
a = 3.1183002 +/- 0.0000004 AU
n = 0.17898935 +/- 0.00000003
P = 5.507 +/- 0.0000010 years
A1 = +0.013 +/- 0.004
A2 = +0.00178 +/- 0.00002
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