軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 159 observations 1997 Oct. 5 to 1999 Feb. 13, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.57 arc seconds.
Epoch = 1998 Mar. 8.0 TT JDT = 2450880.5
T = 1998 Mar. 11.28682 +/- 0.01771 (m.e.) TT
Peri. = 334.20884 +/- 0.00653
Node = 63.19888 +/- 0.00762 (2000.0)
Incl. = 4.83536 +/- 0.00104
q = 4.2402556 +/- 0.0000907 AU
e = 0.3654377 +/- 0.0000089
a = 6.6821738 +/- 0.0001078 AU
n = 0.05705943 +/- 0.00000138
P = 17.273 +/- 0.0004181 years
(+/- 0.15 day)
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