軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 237 observations 1991 to 1998, perturbations by 9 Planets,
Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.75 arc seconds.
Epoch = 1997 Feb. 1.0 TT JDT = 2450480.5
T = 1997 Jan. 12.11225 +/- 0.00025 (m.e.) TT
Peri. = 301.97973 +/- 0.00013
Node = 152.09627 +/- 0.00012 (2000.0)
Incl. = 8.47342 +/- 0.00001
q = 2.0211344 +/- 0.0000009 AU
e = 0.4205115 +/- 0.0000002
a = 3.4877906 +/- 0.0000006 AU
n = 0.15131378 +/- 0.00000004
P = 6.514 +/- 0.0000016 years
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