P/2008 X4 (Christensen), MPEC 2008-X81 -
яркая комета ~9.5m.!
Скорее всего, это переоткрытие кометы
P/2003 K2 #1503
P/2008 X4 / PK08X040 (i=10.7њ, q=0.496 AU, TP=2008 Dec. 18.34 TT) from the HI1-B instrument (4) aboard
STEREO-B (Dec. 8.24p2, 8.35p2, 8.46p2, 8.52p2, 8.57p2, 8.68p2, 8.74p2, 8.79p2, 8.85p2, 8.91p2, 9.02p2, 9.07p2, 9.13p2, 9.24p2, 9.29p2, 9.35p2, 9.41p2, 9.46p2, 9.52p2, 9.57p2, 9.63p2, 9.68p2, 9.74p2, 9.79p2, 9.85p2, 9.91p2 & 9.96p2)
Элементы орбиты:
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5
T 2008 Dec. 19.9610 TT MPC
q 0.534811 (2000.0) P Q
n 0.1740342 Peri. 345.7643 +0.1756500 -0.9684204
a 3.177213 Node 93.8928 +0.9196792 +0.0973007
e 0.831673 Incl. 10.2156 +0.3511941 +0.2295528
P 5.66
From 227 observations 2003 May 26-2008 Dec. 9, mean residual 2".9.
Эфемериды:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 12 10 19 24.99 -29 28.4 0.576 0.575 31.2 117.6 9.9
2008 12 12 19 18.80 -29 02.1 0.549 0.561 27.8 125.0 9.7
2008 12 14 19 10.79 -28 30.1 0.523 0.550 24.1 133.1 9.5
2008 12 16 19 00.88 -27 50.7 0.500 0.542 19.8 141.9 9.3
2008 12 18 18 49.11 -27 02.3 0.479 0.536 15.2 151.3 9.2
2008 12 20 18 35.69 -26 03.4 0.462 0.535 10.1 161.2
9.1
2008 12 22 18 21.06 -24 53.5 0.450 0.537 4.7 171.4 9.1
2008 12 24 18 05.78 -23 33.5 0.442 0.542 1.1 178.0 9.1
2008 12 26 17 50.51 -22 05.7 0.439 0.550 6.8 167.8 9.1
2008 12 28 17 35.88 -20 33.6 0.440 0.562 12.5 157.8 9.2
2008 12 30 17 22.36 -19 00.9 0.446 0.576 17.9 148.3 9.3
2009 01 01 17 10.25 -17 31.1 0.454 0.593 23.1 139.4 9.5
2009 01 03 16 59.70 -16 06.7 0.466 0.612 27.9 131.2 9.7
2009 01 05 16 50.67 -14 49.3 0.480 0.632 32.4 123.7 9.9
2009 01 07 16 43.08 -13 39.3 0.495 0.655 36.5 116.9 10.1
