軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 111 observations 1997 July 23 to 1998 Mar. 23, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.67 arc seconds.
Epoch = 1997 July 11.0 TT JDT = 2450640.5
T = 1997 July 13.41925 +/- 0.00021 (m.e.) TT
Peri. = 336.18714 +/- 0.00018
Node = 231.24573 +/- 0.00013 (2000.0)
Incl. = 115.80202 +/- 0.00019
q = 1.3718028 +/- 0.0000039 AU
e = 0.9842429 +/- 0.0000080
1/a = +0.0114864 +/- 0.0000058 1/AU
( P = 812 years )
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