Orbital Elements
The following improved orbital elements, by Kenji Muraoka, are
from 122 observations 1949 to 1997, perturbations by 9 Plantes,
Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.79 arc seconds.
Epoch = 1996 Dec. 23.0 TT JDT = 2450440.5
T = 1996 Dec. 6.33104 +/- 0.00002 (m.e.) TT
Peri. = 90.88933 +/- 0.00026
Node = 270.96367 +/- 0.00025 (2000.0)
Incl. = 2.78400 +/- 0.00001
q = 1.0003117 +/- 0.0000002 AU
e = 0.6215680 +/- 0.0000001
a = 2.6433062 +/- 0.0000003 AU
n = 0.22934161 +/- 0.00000004
P = 4.298 +/- 0.0000008 years
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