Silvester

P/2011 A1 (Larson), #312, #128

Дата, блеск, размер комы и конденсация:
2011 01. 16.76 UT: m1 = 18.7T, Dia. = ..', DC = .., 0.25-m. L, f5 + unfiltered CCD
2011 01. 12.06 UT: m1 = 19.2, Dia. = ..', DC = .., хвост = 0.7', 0.30-m. Y + CCD
#128

Элементы орбиты кометы P/2011 A1 (Larson):
Epoch 2010 Nov. 20.0 TT = JDT 2455520.5
T 2010 Nov. 14.6842 TT MPC
q 2.214973 (2000.0) P Q
n 0.1368474 Peri. 45.0075 -0.4631924 -0.8583097
a 3.729452 Node 73.7689 +0.7346223 -0.5112062
e 0.406086 Incl. 13.2957 +0.4957648 -0.0444144
P 7.20
From 45 observations 2010 Dec. 11-2011 Jan. 13, mean residual 0".5.

Эфемериды для поиска кометы P/2011 A1 (Larson):
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2011 01 21 11 07 42.3 +27 10 02 1.4328 2.2692 139.0 16.5 18.8
2011 01 22 11 07 41.8 +27 18 45 1.4280 2.2708 139.9 16.2 18.8
2011 01 23 11 07 39.3 +27 27 31 1.4234 2.2724 140.7 15.9 18.8
2011 01 24 11 07 34.8 +27 36 19 1.4190 2.2741 141.6 15.6 18.8
2011 01 25 11 07 28.4 +27 45 10 1.4148 2.2757 142.4 15.3 18.8
2011 01 26 11 07 20.0 +27 54 01 1.4107 2.2774 143.3 15.0 18.8
2011 01 27 11 07 09.7 +28 02 54 1.4069 2.2791 144.1 14.7 18.8
2011 01 28 11 06 57.5 +28 11 46 1.4033 2.2808 145.0 14.4 18.8




2011 01 19.77 UT

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Альманах ..