軌道要素
The following improved orbital elements, by Kenji Muraoka are
from 352 observations 1998 Apr. 26 to July 20, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.68 arc seconds.
Epoch = 1998 Apr. 17.0 TT JDT = 2450920.5
T = 1998 Apr. 14.42482 +/- 0.00074 (m.e.) TT
Peri. = 1.32431 +/- 0.00109
Node = 222.10887 +/- 0.00029 (2000.0)
Incl. = 104.69219 +/- 0.00113
q = 1.4872838 +/- 0.0000145 AU
e = 0.9979059 +/- 0.0001737
1/a = +0.0014080 +/- 0.0001168 1/AU
( P = 18927 years )
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