Central Bureau for Astronomical Telegrams
IAUC 4012: 1984s
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Circular No. 4012
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM Telephone 617-495-7244/7440/7444
COMET SHOEMAKER (1984s)
The following precise positions have been received:
1984 UT R.A. (1950.0) Decl. Observer
Nov. 15.17257 2 01 46.56 + 9 47 57.2 Everhart
15.28422 2 01 49.86 + 9 44 12.6 Gibson
16.14672 2 02 19.01 + 9 14 55.2 "
22.53889 2 06 55.62 + 5 26 50.2 Koishikawa
22.60972 2 06 58.85 + 5 24 13.0 "
23.57674 2 07 52.92 + 4 48 22.0 "
23.62049 2 07 55.11 + 4 46 43.2 "
E. Everhart (Chamberlin Observatory field station).
J. Gibson (Palomar). 1.2-m Schmidt.
M. Koishikawa (Sendai Obs., Ayashi Sta.). Measurer: S. Kasahara.
Orbit by S. Nakano, Tokyo, from observations Oct. 25-Nov. 23:
T = 1985 Jan. 3.8788 ET Peri. = 229.2303
e = 0.969547 Node = 222.7623 1950.0
q = 1.214230 AU Incl. = 13.8699
1984/85 ET R.A. (1950.0) Decl. p r m1
Nov. 16 2 02.22 + 9 20.1 0.456 1.422 10.8
26 2 10.39 + 3 17.7
Dec. 6 2 24.95 - 3 01.3 0.384 1.292 10.0
11 2 35.03 - 6 03.8
16 2 47.02 - 8 54.8 0.371 1.248 9.8
21 3 00.92 -11 29.3
26 3 16.62 -13 43.1 0.370 1.222 9.7
31 3 33.95 -15 32.9
Jan. 5 3 52.63 -16 56.6 0.380 1.214 9.7
10 4 12.29 -17 53.1
15 4 32.56 -18 22.2 0.400 1.226 9.9
20 4 53.05 -18 24.9
25 5 13.43 -18 03.4 0.434 1.257 10.2
30 5 33.42 -17 21.2
Feb. 4 5 52.77 -16 22.1 0.481 1.304 10.6
9 6 11.30 -15 10.4
14 6 28.94 -13 50.1 0.543 1.366 11.0
19 6 45.66 -12 24.8
24 7 01.49 -10 58.0 0.622 1.439 11.6
1984 November 26 (4012) Brian G. Marsden
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