Central Bureau for Astronomical Telegrams
IAUC 4252: 1986 RA; EY Cyg
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Circular No. 4252
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 RA
A. Maury has discovered a fast-moving asteroidal object. His
and further observations have been reported as follows:
1986 UT R.A. (1950.0) Decl. V Observer
Sept. 2.23472 21 08 47.06 +19 14 10.5 14 Maury
2.29722 21 08 59.47 +19 10 32.6 "
2.89514 21 11 07.45 +18 35 10.4 Pollas
2.91667 21 11 11.78 +18 33 55.2 "
3.94167 21 14 53.03 +17 31 40.9 "
3.95208 21 14 55.26 +17 31 01.1 "
A. Maury (Palomar). 1.2-m Schmidt. Plate taken by J. Mould in
the course of Palomar Sky Survey II. Measurer: M. Rudnyk.
Communicated by E. Helin.
C. Pollas (Caussols). 0.9-m CERGA Schmidt. Communicated by J.-L.
Heudier.
The following orbital elements are very uncertain:
T = 1986 Sept. 4.21 ET
Peri. = 160.18 e = 0.5774
Node = 177.53 1950.0 a = 2.8851 AU
Incl. = 17.99 n = 0.20113
q = 1.2194 AU P = 4.90 years
1986 ET R.A. (1950.0) Decl. p r V
Sept. 2 21 07.95 +19 28.0
7 21 26.32 +14 14.5 0.240 1.220 13.9
12 21 46.07 + 8 21.8
17 22 06.57 + 2 13.7 0.239 1.229 13.7
22 22 27.10 - 3 41.8
27 22 46.99 - 9 00.1 0.263 1.249 13.9
Oct. 2 23 05.76 -13 26.0
7 23 23.12 -16 54.8 0.312 1.279 14.5
EY CYGNI
Further visual magnitude estimates: Aug. 28.47 UT, 12.1 (S.
Osao, Kanagawa, Japan); 28.9, 11.0 (A. Perez, Paris, France);
29.8, 11.0 (Perez); 29.84, 11.0 (M. Verdenet, Bourbon-Lancy,
France); Sept. 3.8, 12.0 (G. M. Hurst, Basingstoke, England).
1986 September 5 (4252) Brian G. Marsden
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