軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 18 observations 1988 Oct. 11 to 1999 Sept.16, perturbations
by 9 Plantes, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.87 arc seconds.
Epoch = 1999 July 1.0 TT JDT = 2451360.5
T = 1999 June 21.50534 +/- 0.01832 (m.e.) TT
Peri. = 177.39048 +/- 0.00670
Node = 177.13643 +/- 0.00258 (2000.0)
Incl. = 12.17161 +/- 0.00092
q = 2.4961208 +/- 0.0002460 AU
e = 0.5003733 +/- 0.0000489
a = 4.9959717 +/- 0.0001388 AU
n = 0.08826207 +/- 0.00000368
P = 11.167 +/- 0.0004655 years
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