13.12.2009, 18:00
|
#2348
|
Модератор
Регистрация: 20.05.2007
Адрес: Новороссия
Сообщений: 19,465
|
Re: Хвостатые гостьи (кометы) ..
81P/Wild 2 (P/1978 A2, 1983 S1), К-1, К-2, #2331, #2326
Дата, блеск, размер комы и конденсация:
2009 12. 12.16 UT: m1 = 10.3, Dia. = 4', DC = 3, протяженная кома, 0.20-m SCT (х77).
2009 12. 07.35 UT: m1 = 15.4N, Dia. = ..', DC = ..
#2318
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 12 13 11 28.40 +03 29.0 1.450 1.747 89.6 34.3 11.4 20.4
2009 12 14 11 30.63 +03 16.9 1.438 1.743 90.0 34.4 11.4 20.4
2009 12 15 11 32.85 +03 04.9 1.426 1.739 90.4 34.5 11.4 20.4
2009 12 16 11 35.08 +02 53.0 1.414 1.735 90.9 34.6 11.3 20.4
2009 12 17 11 37.30 +02 41.0 1.402 1.732 91.3 34.6 11.3 20.4
2009 12 18 11 39.53 +02 29.1 1.391 1.728 91.7 34.7 11.3 20.3
2009 12 19 11 41.75 +02 17.2 1.379 1.724 92.2 34.8 11.2 20.3
2009 12 20 11 43.97 +02 05.4 1.368 1.721 92.6 34.8 11.2 20.3
Эфемериды 81P/Wild 2 на 02:00 мск.:
Date ...... UT ...... R.A. (J2000) ... Decl. ......... R.A. (J2000) ..... Decl. .... Delta .... r ... El. ... Ph. .. V
2009 12 13 230000 11:30:32.092 +03:17:26.346 11:30:33.208 +03:17:20.282 1.438 1.743 90.0 34.4 11.4
2009 12 14 230000 11:32:45.687 +03:05:26.653 11:32:46.803 +03:05:20.576 1.426 1.739 90.4 34.5 11.4
2009 12 15 230000 11:34:59.218 +02:53:28.364 11:35:00.333 +02:53:22.277 1.415 1.735 90.9 34.5 11.3
2009 12 16 230000 11:37:12.675 +02:41:31.664 11:37:13.789 +02:41:25.567 1.403 1.732 91.3 34.6 11.3
2009 12 17 230000 11:39:26.050 +02:29:36.734 11:39:27.164 +02:29:30.627 1.391 1.728 91.7 34.7 11.3
2009 12 18 230000 11:41:39.336 +02:17:43.754 11:41:40.448 +02:17:37.638 1.38 1.724 92.1 34.8 11.2
2009 12 19 230000 11:43:52.523 +02:05:52.904 11:43:53.635 +02:05:46.779 1.368 1.721 92.6 34.8 11.2
2009 12 20 230000 11:46:05.604 +01:54:04.363 11:46:06.715 +01:53:58.230 1.357 1.717 93.0 34.9 11.2
Марс (-0.3m.)
Сатурн (0.2m.)
|
|
|