軌道要素
The following improved orbital elements by Kenji Muraoka, are
from 358 observations 1998 Oct. 30 to 1999 May 24, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.68 arc seconds.
Epoch = 1998 Dec. 13.0 TT JDT = 2451160.5
T = 1998 Dec. 21.76008 +/- 0.00018 (m.e.) TT
Peri. = 51.13442 +/- 0.00009
Node = 66.65075 +/- 0.00011 (2000.0)
Incl. = 131.76490 +/- 0.00006
q = 1.2364519 +/- 0.0000009 AU
e = 0.9879752 +/- 0.0000075
1/a = +0.0097253 +/- 0.0000060 1/AU
( P = 1043 years )
orig. 1/a = +0.010054
fut. 1/a = +0.009752
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