Circular No. 6483

Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION

Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)

BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science) Phone 617-495-7244/7440/7444 (for emergency use only)

COMET P/1996 R2 (LAGERKVIST) Continuation to ephemeris on IAUC 6474, from orbital elements by S.

Nakano on MPC 27882:

1996TT α_{2000} δ_{2000} Δ r ϵ β m_{1}
Oct. 4 22^{h}23.^{m}66 −13^{o}21.^{′}7 1.838 2.694 141.^{o}6 13.^{o}3 17.1
9 22 22.50 −13 20.8 1.874 2.688 136.4 14.8 17.2
14 22 21.93 −13 16.3 1.915 2.682 131.4 16.2 17.2
19 22 21.96 −13 08.2 1.960 2.676 126.5 17.4 17.2
24 22 22.62 −12 56.7 2.009 2.670 121.8 18.5 17.3
29 22 23.87 −12 41.8 2.060 2.665 117.2 19.4 17.3
Nov. 3 22 25.69 −12 23.7 2.114 2.660 112.7 20.1 17.4

COMET 126P/IRAS Continuation to ephemeris on IAUC 6446, from orbital elements by

B. G. Marsden on MPC 27690:

1996TT α_{2000} δ_{2000} Δ r ϵ β m_{1}
Sept. 24 22^{h}02.^{m}78 −46^{o}02.^{′}3 0.956 1.748 126.^{o}3 27.^{o}6 10.8
29 21 53.45 −42 04.3 0.964 1.736 124.1 28.5 10.7
Oct. 4 21 46.50 −37 57.9 0.979 1.726 121.5 29.6 10.7
9 21 41.63 −33 49.3 1.001 1.718 118.5 30.7 10.7
14 21 38.59 −29 43.6 1.030 1.712 115.2 31.8 10.7
19 21 37.11 −25 44.7 1.065 1.707 111.8 32.8 10.8
24 21 36.96 −21 55.3 1.106 1.704 108.3 33.7 10.8
29 21 37.94 −18 17.1 1.152 1.703 104.8 34.3 10.9
Nov. 3 21 39.87 −14 50.5 1.202 1.703 101.4 34.8 11.0
8 21 42.62 −11 35.6 1.255 1.706  98.1 35.1 11.1
13 21 46.10 − 8 31.9 1.312 1.710  94.9 35.2 11.2
18 21 50.19 − 5 38.6 1.371 1.715  91.8 35.2 11.4
23 21 54.84 − 2 54.8 1.432 1.723  88.8 35.0 11.5
28 21 59.95 − 0 19.6 1.495 1.732  86.0 34.6 11.6
Dec. 3 22 05.49 + 2 07.9 1.559 1.743  83.2 34.2 11.8

Visual m_{1} estimates (L = reflector): Sept. 4.48 UT, 11.6 (D. A. J. Seargent, Cowra, N.S.W., Australia, 0.25-m L); 16.54, 12.0 (P. Camilleri, Cobram, Vic., Australia, 0.20-m L); 21.58, 10.7 (J. Kobayashi, Kumamoto, Japan, 0.41-m L); 30.12, 11.9: (A. Hale, Cloudcroft, NM, 0.41-m L).

1996 October 2  \begin{matrix}c \\ ◯ \end{matrix} Copyright 1996 CBAT  Daniel W. E. Green