軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 48 observations 1990 to 1999, perturbations by 9 Plantes,
Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.69 arc seconds.
Epoch = 2000 Jan = 2451560.5
T = 2000 Feb. 5.82301 +/- 0.00033 (m.e.) TT
Peri. = 142.02045 +/- 0.00030
Node = 234.75346 +/- 0.00028 (2000.0)
Incl. = 4.65702 +/- 0.00003
q = 1.8685698 +/- 0.0000048 AU
e = 0.5797056 +/- 0.0000010
a = 4.4458594 +/- 0.0000035 AU
n = 0.10514061 +/- 0.00000012
P = 9.374 +/- 0.0000110 years
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