軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 225 observations 1991 Feb. 7 to 1999 Feb. 12, perturbations
by 9 Plantes, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.54 arc seconds.
Epoch = 1998 Mar. 8.0 TT JDT = 2450880.5
T = 1998 Mar. 4.88686 +/- 0.00046 (m.e.) TT
Peri. = 181.38019 +/- 0.00013
Node = 303.71158 +/- 0.00009 (2000.0)
Incl. = 5.00844 +/- 0.00002
q = 2.8173477 +/- 0.0000013 AU
e = 0.2479061 +/- 0.0000003
a = 3.7460054 +/- 0.0000006 AU
n = 0.13594132 +/- 0.00000003
P = 7.250 +/- 0.0000018 years
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