軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 1353 observations 1997 May 5 to 1999 Aug. 16, perturbations
by 8 Planets, Moon and 3 minor planets were taken into account.
The mean residual is +/- 0.69 arc seconds.
Epoch = 1998 Mar. 8.0 TT JDT = 2450880.5
T = 1998 Mar. 10.44247 +/- 0.00044 (m.e.) TT
Peri. = 122.67413 +/- 0.00006
Node = 148.84465 +/- 0.00004 (2000.0)
Incl. = 91.27334 +/- 0.00005
q = 3.0511376 +/- 0.0000022 AU
e = 1.0006137 +/- 0.0000058
1/a = -0.0002012 +/- 0.0000019 1/AU
orig. 1/a = +0.000040
fut. 1/a = -0.000002
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