年末に明るくなってきそうな、C/2000WM1(リニアー)の改良軌道です。
原初軌道は、周期8〜9万年ほどの軌道のようです。
Comet C/2000 WM1 ( LINEAR )
The following improved orbital elements by Kenji Muraoka, are
from 212 observations 2000 Nov. 16 to 2001 July 30, perturbations
by 9 Planets, Moon and 5 minor planets were taken into account.
The mean residual is +/- 0.64 arc seconds.
Epoch = 2002 Jan. 6.0 TT JDT = 2452280.5
T = 2002 Jan. 22.68140 +/- 0.00189 (m.e.) TT
Peri. = 276.76880 +/- 0.00052
Node = 237.89708 +/- 0.00026 (2000.0)
Incl. = 72.54885 +/- 0.00034
q = 0.5554002 +/- 0.0000112 AU
e = 1.0002807 +/- 0.0000041
1/a = -0.0005055 +/- 0.0000073 1/AU
orig. 1/a = +0.0005198
fut. 1/a = -0.0002461
村岡健治
[2001年8月5日 11時14分21秒]