Central Bureau for Astronomical Telegrams
IAUC 4228: 1986 LA
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Read IAUC 4229
Circular No. 4228
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
1986 LA
E. Helin, Jet Propulsion Laboratory, reports her discovery of
a fast-moving asteroidal object on exposures with the 1.2-m Schmidt
telescope at Palomar. Available precise positions follow:
1986 UT R.A. (1950.0) Decl. B Observer
June 4.29930 14 48 20.59 - 1 13 52.1 18 Helin
4.32014 14 48 19.25 - 1 12 56.8 "
6.31806 14 46 50.61 + 0 13 46.3 "
6.33541 14 46 49.48 + 0 14 32.2 "
7.23750 14 46 14.18 + 0 53 16.3 "
7.25833 14 46 13.14 + 0 54 08.9 "
15.18552 14 42 47.63 + 6 18 58.8 Bus
E. Helin (Palomar). Trail ends. Measurer: M. Rudnyk.
S. J. Bus (Lowell Observatory, Anderson Mesa Station). 1.8-m
reflector + CCD. Communicated by E. Bowell.
The object appears to be of Amor type. The following orbital
elements have been determined by the undersigned:
T = 1986 Aug. 18.381 ET
Peri. = 86.500 e = 0.31748
Node = 229.387 1950.0 a = 1.54648 AU
Incl. = 10.780 n = 0.512491
q = 1.05550 AU P = 1.92 years
1986 ET R.A. (1950.0) Decl. p r V
June 9 14 45.17 + 2 08.4 0.273 1.231 17.4
14 14 43.08 + 5 32.8
19 14 42.46 + 8 42.8 0.269 1.190 17.6
24 14 43.39 +11 36.9
29 14 45.84 +14 14.8 0.270 1.153 17.7
July 4 14 49.82 +16 37.0
9 14 55.32 +18 44.7 0.271 1.120 17.9
14 15 02.30 +20 39.8
19 15 10.72 +22 24.1 0.271 1.093 18.0
24 15 20.53 +23 59.3
29 15 31.68 +25 26.0 0.268 1.073 18.1
Aug. 3 15 44.25 +26 44.6
8 15 58.30 +27 55.2 0.262 1.060 18.1
1986 June 18 (4228) Brian G. Marsden
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