Central Bureau for Astronomical Telegrams
IAUC 5152: 1980 WF
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Read IAUC 5153
Circular No. 5152
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Telephone 617-495-7244/7440/7444 (for emergency use only)
TWX 710-320-6842 ASTROGRAM CAM EASYLINK 62794505
MARSDEN or GREEN@CFA.BITNET MARSDEN or GREEN@CFAPS2.SPAN
1980 WF
R. H. McNaught, University of Adelaide, reports his recovery
of this Amor-type object with the Uppsala Schmidt telescope at
Siding Spring (indicated correction to the ephemeris on MPC 17468:
Delta(T) = +4.7 days).
1990 UT R.A. (1950) Decl. V
Dec. 26.67199 4 58 27.18 - 8 08 49.0 15
26.68218 4 58 30.48 - 8 09 16.7
Orbital elements by B. G. Marsden, Center for Astrophysics,
from 12 observations 1980-1990:
Epoch = 1991 Jan. 24.0 ET
T = 1990 Dec. 28.3266 ET Peri. = 212.8531
e = 0.514841 Node = 241.0697 1950.0
q = 1.083492 AU Incl. = 6.4132
a = 2.233272 AU n = 0.2953192 P = 3.337 years
1990/91 R.A. (1950) Decl. Delta r V
Dec. 5 3 18.34 +10 47.7 0.142 1.118 15.5
10 3 36.41 + 6 34.4
15 3 57.88 + 2 01.9 0.126 1.095 15.4
20 4 22.41 - 2 33.4
25 4 49.23 - 6 50.8 0.122 1.084 15.5
30 5 17.16 -10 30.8
Jan. 4 5 44.81 -13 20.1 0.130 1.086 15.7
9 6 10.97 -15 13.7
14 6 34.85 -16 14.1 0.150 1.101 16.0
19 6 56.14 -16 29.0
24 7 14.88 -16 07.6 0.178 1.128 16.4
29 7 31.28 -15 19.5
Feb. 3 7 45.64 -14 12.3 0.215 1.165 16.8
8 7 58.29 -12 52.1
13 8 09.60 -11 24.3 0.260 1.212 17.2
18 8 19.91 - 9 53.2
23 8 29.48 - 8 22.8 0.316 1.265 17.7
28 8 38.53 - 6 56.0
Mar. 5 8 47.20 - 5 34.6 0.383 1.324 18.2
1990 December 27 (5152) Daniel W. E. Green
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