Silvester

81P/Wild 2, К-1, К-2, #2297, #2283

Дата, блеск, размер комы и конденсация:
2009 11. 18.20 UT: m1 = 13.5, Dia. = 0.8', DC = .., хвост = 5.4', pa = 294њ, 2-m N f5
2009 11. 18.14 UT: m1 = 10.7, Dia. = 3.5', DC = 2/, протяженная кома, 0.20-m SCT (х77).
2009 11. 14.30 ..S: m1 = 12.1, Dia. = 0.8', DC = 5, 0.22-m L (х160).
2009 11. 13.36 UT: m1 = 12.0, Dia. = 0.5', DC = .., хвост = 3.0', pa = 292њ, 2-m N f5
2009 11. 12.46 UT: m1 = 12.2, Dia. = 1.8', DC = .., хвост = 4.5', pa = 291њ, 2-m N f5
2009 11. 09.37 UT: m1 = 12.3, Dia. = 1.5', DC = .., хвост = 3.1', pa = 321њ, 2-m N f5
2009 11. 09.36 UT: m1 = 12.6, Dia. = 1.0', DC = .., хвост = 1.9', pa = 299њ, 101mmL + CCD

#2283

Элементы орбиты:
Epoch 2010 Feb. 13.0 TT = JDT 2455240.5
T 2010 Feb. 22.7017 TT MPC
q 1.598057 (2000.0) P Q
n 0.1535118 Peri. 41.7931 -0.9985848 -0.0359835
a 3.454418 Node 136.0975 +0.0195034 -0.9328219
e 0.537387 Incl. 3.2374 +0.0494772 -0.3585366
P 6.42
From 1863 observations 1995-2009, mean residual 0".7. Nongravitational
parameters A1 = +0.15, A2 = -0.0121.
--
Элементы орбиты:
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5
T 2010 Feb. 22.7042 TT MPC
q 1.598052 (2000.0) P Q
n 0.1535064 Peri. 41.7948 -0.9985858 -0.0359553
a 3.454499 Node 136.0974 +0.0194771 -0.9328224
e 0.537400 Incl. 3.2374 +0.0494671 -0.3585381
P 6.42

Эфемериды:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 11 19 10 34.96 +08 15.8 1.756 1.849 79.4 31.7 12.2 20.9
2009 11 20 10 37.18 +08 04.2 1.742 1.845 79.8 31.8 12.2 20.9
2009 11 21 10 39.40 +07 52.4 1.729 1.840 80.2 31.9 12.2 20.9
2009 11 22 10 41.62 +07 40.7 1.716 1.836 80.7 32.1 12.1 20.9
2009 11 23 10 43.85 +07 28.9 1.702 1.831 81.1 32.2 12.1 20.8
2009 11 24 10 46.07 +07 17.1 1.689 1.826 81.5 32.3 12.1 20.8
2009 11 25 10 48.29 +07 05.2 1.676 1.822 81.9 32.4 12.0 20.8
2009 11 26 10 50.52 +06 53.4 1.663 1.817 82.4 32.6 12.0 20.8
2009 11 27 10 52.74 +06 41.5 1.650 1.813 82.8 32.7 12.0 20.8

Эфемериды 81P/Wild 2 на 04:00 мск.:
Date ...... UT ...... R.A. (J2000) ... Decl. ......... R.A. (J2000) ..... Decl. .... Delta .... r ... El. ... Ph. .. V
2009 11 19 005959 10:35:03.207 +08:15:20.799 10:35:04.339 +08:15:15.239 1.755 1.849 79.4 31.7 12.2
2009 11 20 005959 10:37:16.414 +08:03:40.383 10:37:17.546 +08:03:34.795 1.742 1.845 79.8 31.8 12.2
2009 11 21 005959 10:39:29.666 +07:51:57.604 10:39:30.797 +07:51:51.989 1.728 1.84 80.3 32.0 12.2
2009 11 22 005959 10:41:42.963 +07:40:12.574 10:41:44.094 +07:40:06.932 1.715 1.835 80.7 32.1 12.1
2009 11 23 005959 10:43:56.303 +07:28:25.405 10:43:57.433 +07:28:19.736 1.702 1.831 81.1 32.2 12.1
2009 11 24 005959 10:46:09.685 +07:16:36.208 10:46:10.815 +07:16:30.514 1.689 1.826 81.5 32.3 12.1
2009 11 25 005959 10:48:23.109 +07:04:45.099 10:48:24.238 +07:04:39.380 1.675 1.822 82.0 32.4 12.0
2009 11 26 005959 10:50:36.573 +06:52:52.192 10:50:37.702 +06:52:46.449 1.662 1.817 82.4 32.6 12.0
2009 11 27 005959 10:52:50.077 +06:40:57.605 10:52:51.205 +06:40:51.838 1.649 1.813 82.8 32.7 12.0

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