軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 86 observations 1939 to 1999, perturbations by 9 Plantes,
Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.82 arc seconds.
Epoch = 1998 Sept. 24.0 TT JDT = 2451080.5
T = 1998 Sept. 28.80925 +/- 0.04745 (m.e.) TT
Peri. = 165.54767 +/- 0.01960
Node = 242.46830 +/- 0.01086 (2000.0)
Incl. = 2.33247 +/- 0.00036
q = 3.3814917 +/- 0.0000700 AU
e = 0.2483321 +/- 0.0000187
a = 4.4986515 +/- 0.0000323 AU
n = 0.10329530 +/- 0.00000111
P = 9.542 +/- 0.0001029 years
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