軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 357 observations 1998 May 28 to 1999 Aug. 12, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.62 arc seconds.
Epoch = 1998 Aug. 15.0 TT JDT = 2451040.5
T = 1998 Aug. 13.17111 +/- 0.00055 (m.e.) TT
Peri. = 37.24261 +/- 0.00017
Node = 260.88023 +/- 0.00011 (2000.0)
Incl. = 60.18235 +/- 0.00005
q = 2.7253289 +/- 0.0000036 AU
e = 0.9977532 +/- 0.0000053
1/a = +0.0008244 +/- 0.0000020 1/AU
( P = 42246 years )
orig. 1/a = +0.001223
fut. 1/a = +0.001871
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