軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 52 observations 1999 May 20 to July 18, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.74 arc seconds.
Epoch = 1999 Mar. 3.0 TT JDT = 2451240.5
T = 1999 Feb. 27.53047 +/- 0.00862 (m.e.) TT
Peri. = 341.14802 +/- 0.00441
Node = 266.91301 +/- 0.00093 (2000.0)
Incl. = 92.27261 +/- 0.00205
q = 1.9287637 +/- 0.0000679 AU
e = 0.9917448 +/- 0.0001938
1/a = +0.0042800 +/- 0.0001005 1/AU
( P = 3571 years )
orig. 1/a = +0.004165
fut. 1/a = +0.004955
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