Silvester

81P/Wild 2, К-1, К-2, М-1, #2586, #2590

Дата, блеск, размер комы и конденсация:
2010 04. 04.04 ..S: m1 = 9.6, Dia. = 4', DC = 4/, 0.22-m. L (x60).
2010 04. 03.92 UT: m1 = 9.2, Dia. = 4', DC = .., 0.13-m. L (x65).
2010 04. 03.90 UT: m1 = 9.4, Dia. = 3.8', DC = 5, 0.13-m. L (x65).
2010 04. 03.01 UT: m1 = 9.0, Dia. = 3', DC = 4, 0.18-m. L (x45).
2010 03. 25... UT: m1 = .., Dia. = ..', DC = .., хвост = 8', pa = 277њ, 12'', L, f4.8 + ST-10 XME ..
#2564 (максимум блеска, начинает медленно снижаться)

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.
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Элементы орбиты:
Epoch 2010 July 23.0 TT = JDT 2455400.5
T 2010 Feb. 22.6884 TT MPC
q 1.598039 (2000.0) P Q
n 0.1535619 Peri. 41.7877 -0.9985807 -0.0360956
a 3.453667 Node 136.0965 +0.0196078 -0.9328194
e 0.537292 Incl. 3.2374 +0.0495180 -0.3585318
P 6.42

Эфемериды:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2010 04 05 14 14.44 -05 46.9 0.673 1.650 160.3 11.8 9.4 17.9
2010 04 06 14 14.28 -05 43.3 0.673 1.652 161.2 11.2 9.4 17.9
2010 04 07 14 14.09 -05 39.7 0.673 1.655 162.2 10.7 9.4 17.9
2010 04 08 14 13.87 -05 36.2 0.674 1.657 163.1 10.1 9.4 17.9
2010 04 09 14 13.64 -05 32.6 0.674 1.660 164.0 9.6 9.4 17.9
2010 04 10 14 13.38 -05 29.1 0.675 1.663 164.9 9.0 9.5 17.9
2010 04 11 14 13.10 -05 25.7 0.676 1.665 165.8 8.5 9.5 17.8
2010 04 12 14 12.81 -05 22.4 0.677 1.668 166.7 7.9 9.5 17.8

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Альманах ..