軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 72 observations 1997 Apr. 9 to 1998 June 18, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.68 arc seconds.
Epoch = 1997 Apr. 22.0 TT JDT = 2450560.5
T = 1997 Apr. 6.75494 +/- 0.01424 (m.e.) TT
Peri. = 213.49141 +/- 0.00282
Node = 267.87523 +/- 0.00310 (2000.0)
Incl. = 3.98974 +/- 0.00097
q = 4.2142733 +/- 0.0002722 AU
e = 0.4165645 +/- 0.0000263
a = 7.2232040 +/- 0.0003336 AU
n = 0.05077024 +/- 0.00000352
P = 19.413 +/- 0.0013451 years
(+/- 0.49 day)
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