軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 196 observations 1998 May 20 to Aug. 5, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.70 arc seconds.
Epoch = 1998 May 27.0 TT JDT = 2450960.5
T = 1998 May 8.61890 +/- 0.00016 (m.e.) TT
Peri. = 110.55820 +/- 0.00095
Node = 351.64727 +/- 0.00173 (2000.0)
Incl. = 62.93174 +/- 0.00019
q = 0.1532152 +/- 0.0000005 AU
e = 1.0001781 +/- 0.0000134
1/a = -0.0011623 +/- 0.0000875 1/AU
orig. 1/a = -0.000434 1/AU
fut. 1/a = -0.001014 1/AU
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