軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 114 observations 1989 Oct. 26 to 1998 Mar. 9, perturbations
by 9 Plantes, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.64 arc seconds.
Epoch = 1997 Nov. 8.0 TT JDT = 2450760.5
T = 1997 Nov. 10.09264 +/- 0.00023 (m.e.) TT
Peri. = 220.95870 +/- 0.00020
Node = 178.47974 +/- 0.00030 (2000.0)
Incl. = 5.77564 +/- 0.00003
q = 1.9100178 +/- 0.0000031 AU
e = 0.5316521 +/- 0.0000007
a = 4.0782030 +/- 0.0000023 AU
n = 0.11967428 +/- 0.00000010
P = 8.236 +/- 0.0000069 years
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