Central Bureau for Astronomical Telegrams
IAUC 4642: 1988 PA
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Circular No. 4642
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 PA
The following asteroidal object with direct motion was discovered
by J. Alu (under the direction of E. Helin) on films taken with the
0.46-m Schmidt telescope at Palomar:
1988 UT R.A. (1950) Decl. B Observer
Aug. 9.32014 20 28 14.72 - 1 34 43.0 16.0 Alu
9.34028 20 28 15.90 - 1 35 12.2 "
10.28906 20 29 28.97 - 2 01 55.5 16.0 "
11.19358 20 30 39.69 - 2 27 27.6 16.8 "
11.21493 20 30 41.25 - 2 28 05.1 "
12.21736 20 31 59.18 - 2 56 26.4 "
12.23785 20 32 00.50 - 2 57 01.7 "
16.26060 20 37 19.56 - 4 50 43.2 Shao
16.28420 20 37 21.17 - 4 51 21.6 "
J. Alu, B. Roman, C. Mikolajczak, E. Majkowski and R. Coker (Palomar).
C.-Y. Shao and F. Tong (Oak Ridge Observatory). 1.5-m reflector.
Clouds at end of second exposure.
Orbital elements from the above observations:
T = 1988 July 19.84 ET Peri. = 135.29
e = 0.3610 Node = 162.75 1950.0
q = 1.2515 AU Incl. = 7.42
a = 1.9587 AU n = 0.35955 P = 2.74 years
1988 ET R.A. (1950) Decl. Delta r V
Aug. 7 20 25.33 - 0 29.9 0.260 1.263 15.8
12 20 31.69 - 2 50.0
17 20 38.35 - 5 11.0 0.277 1.278 16.0
22 20 45.35 - 7 26.9
27 20 52.68 - 9 32.8 0.306 1.299 16.3
Sept. 1 21 00.29 -11 25.2
6 21 08.16 -13 02.2 0.348 1.326 16.7
11 21 16.25 -14 22.5
16 21 24.56 -15 26.1 0.403 1.358 17.2
1988 August 16 (4642) Brian G. Marsden
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