軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 421 observations 1997 Feb. 20 to 1998 Sept. 2, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.60 arc seconds.
Epoch = 1997 Sept. 29.0 TT JDT = 2450720.5
T = 1997 Oct. 11.61134 +/- 0.00010 (m.e.) TT
Peri. = 184.96032 +/- 0.00003
Node = 279.17147 +/- 0.00003 (2000.0)
Incl. = 141.88886 +/- 0.00002
q = 2.2476425 +/- 0.0000005 AU
e = 1.0011074 +/- 0.0000021
1/a = -0.0004927 +/- 0.0000010 1/AU
orig. 1/a = +0.000310 1/AU
fut. 1/a = -0.000191 1/AU
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