Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

IAUC 5128: 1990 UQ

The following International Astronomical Union Circular may be linked-to from your own Web pages, but must not otherwise be redistributed (see these notes on the conditions under which circulars are made available on our WWW site).

Read IAUC 5127 SEARCH Read IAUC 5129
IAUC number 

                                                  Circular No. 5128
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


1990 UQ
     R. H. McNaught, University of Adelaide, reports his discovery
of a fast-moving asteroidal object on U. K. Schmidt telescope
plates.  The following precise positions are available:

     1990 UT             R.A. (1950) Decl.       Mag.   Observer
     Oct. 20.47135    3 47 15.12   + 6 09 27.3   17.5   Shoemaker
          20.50712    3 47 08.24   + 6 09 11.0            "
          20.63919    3 46 44.89   + 6 08 42.3   17     Parker
          20.69475    3 46 34.31   + 6 08 19.9            "
          22.43802    3 41 17.41   + 5 56 03.7   17.5   Shoemaker
          22.49566    3 41 06.58   + 5 55 40.6            "
          27.71774    3 25 48.67   + 5 25 47.2   17     Hughes
          27.73163    3 25 46.32   + 5 25 44.8            "

C. S. Shoemaker, E. M. Shoemaker, and D. H. Levy (Palomar).
  0.46-m Schmidt telescope films; measurements by E. Bowell.
Q. A. Parker and S. M. Hughes (Siding Spring).  U.K. Schmidt
  Telescope.  V magnitudes.

     Preliminary orbital elements by E. Bowell, Lowell Observatory:

     T = 1990 July 25.221 ET          Peri. = 159.656
     e = 0.49132                      Node  = 133.618   1950.0
     q = 0.79902 AU                   Incl. =   3.667
       a =  1.57077 AU     n = 0.500653     P =   1.97 years

     1990 ET      R.A. (1950) Decl.     Delta      r       V
     Oct. 16     4 00.99    + 6 43.4    0.337    1.275    16.8
          21     3 45.65    + 6 06.0
          26     3 30.75    + 5 34.7    0.380    1.351    16.8
          31     3 16.79    + 5 10.8
     Nov.  5     3 04.15    + 4 54.8    0.440    1.425    17.0
          10     2 53.10    + 4 46.9
          15     2 43.78    + 4 46.8    0.520    1.497    17.5
          20     2 36.22    + 4 54.0
          25     2 30.39    + 5 07.7    0.619    1.566    18.2
          30     2 26.18    + 5 27.0
     Dec.  5     2 23.45    + 5 51.0    0.734    1.632    18.8


1990 October 31                (5128)             Daniel W. E. Green

Read IAUC 5127 SEARCH Read IAUC 5129

Our Web policy. Index to the CBAT/MPC/ICQ pages.

Valid HTML 4.01!