Silvester

88P/Howell, K-1, К-2, M-1, #2213, #2218

Дата, блеск, размер комы и конденсация:
2009 10. 10.96 ..S: m1 = 8.6, Dia. = 7', DC = 5, 20x100B.
2009 10. 10.46 UT: m1 = 8.7, Dia. = 4', DC = 4, 25x100B.
2009 10. 09.98 UT: m1 = 8.6, Dia. = 8', DC = 4/, 20х100B.
2009 10. 08.38 UT: m1 = 8.2, Dia. = 6.5', DC = 5, хвоста нет, 0.25-m L f5 (x39).

#2218

Элементы орбиты кометы 88P/Howell:
Epoch 2009 Oct. 16.0 TT = JDT 2455120.5
T 2009 Oct. 12.4693 TT MPC
q 1.363486 (2000.0) P Q
n 0.1794476 Peri. 235.9623 +0.3841862 +0.9210419
a 3.112989 Node 56.7567 -0.8198930 +0.3721759
e 0.562001 Incl. 4.3817 -0.4244720 +0.1147476
P 5.49
From 1058 observations 1993-2009, mean residual 0".7. Nongravitational
parameters A1 = +0.31, A2 = -0.0589.
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Элементы орбиты кометы 88P/Howell:
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5
T 2009 Oct. 12.4630 TT MPC
q 1.363448 (2000.0) P Q
n 0.1794152 Peri. 235.9600 +0.3840884 +0.9210828
a 3.113364 Node 56.7529 -0.8199312 +0.3720872
e 0.562066 Incl. 4.3817 -0.4244868 +0.1147063
P 5.49

Эфемериды кометы 88P/Howell:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 10 11 16 48.64 -25 25.9 1.636 1.364 56.3 37.5 14.1 18.8
2009 10 12 16 52.37 -25 33.4 1.638 1.363 56.2 37.4 14.1 18.8
2009 10 13 16 56.12 -25 40.5 1.641 1.363 56.0 37.4 14.1 18.8
2009 10 14 16 59.89 -25 47.2 1.644 1.364 55.9 37.3 14.1 18.8
2009 10 15 17 03.68 -25 53.6 1.648 1.364 55.8 37.2 14.1 18.8
2009 10 16 17 07.48 -25 59.7 1.651 1.364 55.6 37.1 14.1 18.8
2009 10 17 17 11.29 -26 05.4 1.654 1.364 55.5 37.0 14.1 18.8
2009 10 18 17 15.12 -26 10.7 1.657 1.365 55.4 36.9 14.1 18.8

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Альманах ..