軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 177 observations 1988 to 1999, perturbations by 9 Plantes,
Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.74 arc seconds.
Epoch = 1997 Mar. 13.0 TT JDT = 2450520.5
T = 1997 Mar. 26.87668 +/- 0.00096 (m.e.) TT
Peri. = 215.07749 +/- 0.00013
Node = 73.47253 +/- 0.00010 (2000.0)
Incl. = 9.74249 +/- 0.00002
q = 3.7148304 +/- 0.0000007 AU
e = 0.1756999 +/- 0.0000001
a = 4.5066477 +/- 0.0000003 AU
n = 0.10302050 +/- 0.00000001
P = 9.567 +/- 0.0000008 years
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