軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 117 observations 1998 Sept. 23 to 1999 Feb. 26, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.67 arc seconds.
Epoch = 1998 Dec. 13.0 TT JDT = 2451160.5
T = 1998 Dec. 17.80643 +/- 0.00490 (m.e.) TT
Peri. = 318.98081 +/- 0.00172
Node = 91.83204 +/- 0.00194 (2000.0)
Incl. = 24.32374 +/- 0.00060
q = 2.5188204 +/- 0.0001513 AU
e = 0.5885503 +/- 0.0000166
a = 6.1218187 +/- 0.0002729 AU
n = 0.06507039 +/- 0.00000435
P = 15.147 +/- 0.0010129 years
(+/- 0.37 day)
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