軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 212 observations 1998 Aug. 27 to 1999 Feb. 14, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.81 arc seconds.
Epoch = 1998 Sept. 24.0 TT JDT = 2451080.5
T = 1998 Oct. 6.40146 +/- 0.00160 (m.e.) TT
Peri. = 30.10075 +/- 0.00154
Node = 341.92829 +/- 0.00168 (2000.0)
Incl. = 17.74341 +/- 0.00015
q = 1.8818498 +/- 0.0000321 AU
e = 0.5519217 +/- 0.0000048
a = 4.1998240 +/- 0.0000557 AU
n = 0.11451370 +/- 0.00000228
P = 8.607 +/- 0.0001711 years
(+/- 0.06 day)
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