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IAUC 5269: 1991 JY

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                                                  Circular No. 5269
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


1991 JY
     E. M. Shoemaker, C. S. Shoemaker, and C. M. Olmstead report
their discovery of a fast-moving asteroid object.  The following
positions have been reported:

     1991 UT             R.A. (1950) Decl.       Mag.   Observer
     May  14.43646   17 14 32.62   +11 51 56.5   13.5   Shoemaker
          14.46566   17 14 02.56   +11 45 13.7            "
          15.44982   16 56 33.06   + 7 49 07.4   13.5     "
          16.48351   16 37 13.69   + 3 19 44.0          McNaught
          16.48490   16 37 12.05   + 3 19 21.7            "
          16.48628   16 37 10.45   + 3 18 59.0            "
          16.70078   16 32 56.47   + 2 20 31.0            "
          16.70217   16 32 54.83   + 2 20 08.4            "
          16.70356   16 32 53.16   + 2 19 45.3            "

E. M. and C. S. Shoemaker and C. M. Olmstead (Palomar).  0.46-m
  Schmidt telescope.  Measured by E. M. Shoemaker, reduced by K. A.
  Lawler.
R. H. McNaught (Siding Spring).  Uppsala Southern Schmidt telescope.

     Very preliminary orbital elements from the above observations:

     T = 1991 Jan. 30.926 ET          Peri. =  37.463
     e = 0.29609                      Node  =  57.896   1950.0
     q = 0.66700 AU                   Incl. =  48.972
       a =  0.94757 AU     n = 1.068533     P =   0.92 years

     1991 ET      R.A. (1950) Decl.     Delta      r       V
     May  16    16 46.38    + 5 28.3    0.117    1.112    12.3
          17    16 27.15    + 0 57.4
          18    16 07.28    - 3 44.0    0.113    1.120    11.9
          19    15 47.08    - 8 25.8
          20    15 26.88    -12 57.4    0.116    1.126    11.6
          21    15 07.03    -17 10.1
          22    14 47.84    -20 57.9    0.125    1.133    12.0
          23    14 29.56    -24 18.0
          24    14 12.38    -27 10.4    0.139    1.140    12.6
          25    13 56.40    -29 37.0
          26    13 41.67    -31 40.4    0.156    1.146    13.1


1991 May 16                    (5269)             Daniel W. E. Green

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