軌道要素
The following improved orbital elements by Kenji Muraoka, are from
180 observations 1998 May 22 to 1999 Dec. 3, including 9 Planets,
Moon and 5 minor planets perturbations and non-gravitational effect
of style II. The mean residual is +/- 0.69 arc seconds.
Epoch = 1998 Aug. 15.0 TT JDT = 2451040.5
T = 1998 Sept. 1.22545 +/- 0.00134 (m.e.) TT
Peri. = 221.41621 +/- 0.00063
Node = 68.78093 +/- 0.00001 (2000.0)
Incl. = 64.45670 +/- 0.00005
q = 2.3235003 +/- 0.0000066 AU
e = 0.9993382 +/- 0.0000150
1/a = +0.0002848 +/- 0.0000065 1/AU
A1 = -6.58 +/- 2.29
A2 = -12.3554 +/- 1.8218
( P = 208017 years )
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