Central Bureau for Astronomical Telegrams
IAUC 4638: 1988 OG
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Read IAUC 4639
Circular No. 4638
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
MARSDEN or GREEN@CFA.BITNET MARSDEN or GREEN@CFAPS2.SPAN
1988 OG
C. S. Shoemaker reports her discovery of an apparent Amor-type
object on films taken at Palomar. The following observations are available:
1988 UT R.A. (1950) Decl. Mag. Observer
July 20.39323 22 34 05.52 +37 55 15.7 16 Holt
20.43281 22 34 11.20 +37 54 49.7 "
Aug. 9.29375 23 24 29.94 +29 17 03.7 15.7 Ziegler
9.34306 23 24 36.61 +29 14 53.9 15.2 "
10.37847 23 27 04.31 +28 27 17.1 "
10.43819 23 27 12.08 +28 24 30.9 "
H. E. Holt, H. R. Holt, and T. A. Rodriquez (Palomar). 0.46-m Schmidt.
K. W. Ziegler (Lowell Obs., Anderson Mesa Sta.). 0.33-m Pluto telescope.
Preliminary orbital elements from the above observations:
T = 1988 Aug. 1.87 ET Peri. = 154.24
e = 0.3311 Node = 164.38 1950.0
q = 1.2285 AU Incl. = 23.41
a = 1.8367 AU n = 0.39597 P = 2.49 years
1988 ET R.A. (1950) Decl. Delta r V
Aug. 7 23 18.92 +30 53.9 0.336 1.229 14.6
9 23 23.77 +29 30.2
11 23 28.53 +27 57.7 0.318 1.231 14.4
13 23 33.19 +26 16.0
15 23 37.72 +24 24.9 0.303 1.234 14.2
17 23 42.12 +22 24.4
19 23 46.38 +20 14.5 0.289 1.238 14.0
21 23 50.50 +17 55.5
23 23 54.45 +15 28.0 0.279 1.243 13.8
25 23 58.23 +12 52.6
27 0 01.83 +10 10.6 0.272 1.249 13.7
29 0 05.25 + 7 23.0
31 0 08.47 + 4 31.5 0.269 1.255 13.6
Sept. 2 0 11.50 + 1 37.6
4 0 14.32 - 1 16.8 0.270 1.263 13.5
1988 August 11 (4638) Daniel W. E. Green
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