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IAUC 5425: 1992 AB

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                                                  Circular No. 5425
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


1992 AB
     The following precise positions are available of a fast-moving
asteroidal object discovered by C. S. Shoemaker, E. M. Shoemaker,
and D. H. Levy:

     1992 UT             R.A. (2000) Decl.       Mag.   Observer
     Jan.  1.17552    4 31 47.08   +15 29 29.7   16.7   Shoemaker
           1.21406    4 31 42.45   +15 30 52.6            "
           4.23542    4 25 56.16   +17 15 28.5            "
           7.43681    4 20 08.61   +19 06 19.1   17     Seki
           7.48646    4 20 03.30   +19 08 04.2          Natori

C. S. Shoemaker, E. M. Shoemaker, and D. H. Levy (Palomar).  0.46-m
   Schmidt.  Measurer T. M. King.
T. Seki (Geisei).  0.6-m reflector.
A. Natori (JCPM Yakiimo Station).  Measurer T. Urata.

     Orbital elements by B. G. Marsden from the above observations:

     T = 1992 Apr. 10.065 TT          Peri. =  54.816
     e = 0.57100                      Node  =  88.716   2000.0
     q = 1.48233 AU                   Incl. =  41.582
       a =  3.45530 AU     n = 0.153453     P =   6.42 years

1991/92     R. A. (2000) Decl.     Delta      r    Elong. Phase      V
Dec. 30     4 36.08    +14 14.7    0.896    1.818  150.7   15.4     15.9
Jan.  4     4 26.38    +17 07.3    0.897    1.790  144.4   18.7     16.0
      9     4 17.45    +20 00.2    0.906    1.763  137.9   22.0     16.1
     14     4 09.57    +22 50.2    0.921    1.737  131.5   25.1     16.2
     19     4 02.94    +25 34.9    0.943    1.712  125.3   28.0     16.3
     24     3 57.67    +28 13.1    0.969    1.687  119.5   30.5     16.4
     29     3 53.86    +30 44.1    0.999    1.664  114.0   32.7     16.5
Feb.  3     3 51.55    +33 08.1    1.032    1.641  108.9   34.6     16.6
      8     3 50.74    +35 25.4    1.067    1.620  104.1   36.2     16.7
     13     3 51.43    +37 36.6    1.103    1.600   99.7   37.5     16.7
     18     3 53.58    +39 42.4    1.140    1.581   95.7   38.4     16.8


1992 January 8                 (5425)             Daniel W. E. Green

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