軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 104 observations 1998 May 26 to 1999 June 14, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.73 arc seconds.
Epoch = 1998 July 6.0 TT JDT = 2451000.5
T = 1998 July 17.09589 +/- 0.01398 (m.e.) TT
Peri. = 20.83628 +/- 0.00133
Node = 255.52549 +/- 0.00067 (2000.0)
Incl. = 113.42024 +/- 0.00060
q = 5.7681916 +/- 0.0000354 AU
e = 1.0022061 +/- 0.0000290
1/a = -0.0003825 +/- 0.0000050 1/AU
orig. 1/a = +0.000147
fut. 1/a = +0.000208
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