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IAUC 4894: 1989 UP

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                                               Circular No. 4894
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


1989 UP
     The following additional positions have been reported:

     1989 UT             R.A. (1950) Decl.        V     Observer
     Oct. 27.35742    4 14 44.44   - 0 17 52.6          Rabinowitz
          27.44718    4 16 00.04   - 0 12 10.1            "
          27.50679    4 16 51.03   - 0 08 19.9            "
          27.53229    4 17 12.90   - 0 06 42.4            "
          28.75964    4 36 44.07   + 1 20 17.1          McNaught
          29.31477    4 46 21.56   + 1 58 50.2          Rabinowitz
          29.32844    4 46 35.15   + 1 59 52.4   15.8     "
          29.37963    4 47 26.12   + 2 03 46.8            "
     Nov.  1.34382    5 44 39.17   + 6 08 38.1          Balam
           1.35562    5 44 53.45   + 6 09 43.5            "
           2.38062    6 06 34.90   + 7 38 41.4            "

D. L. Rabinowitz and J. V. Scotti (Kitt Peak).  0.91-m Spacewatch
  Telescope + 2048x2048 CCD.
R. H. McNaught (Siding Spring).  Uppsala Southern Schmidt telescope.
D. Balam (Victoria).  0.25-m Schmidt telescope.

     Orbital elements from 12 observations, Oct. 27-Nov. 2:

     T = 1989 Nov. 26.2099 ET         Peri. =  17.1501
     e = 0.475531                     Node  =  52.8523  1950.0
     q = 0.982345 AU                  Incl. =   3.8701
       a =  1.873029 AU    n = 0.3844920    P =   2.563 years

     1989 ET      R.A. (1950) Decl.     Delta      r       V
     Nov.  2     5 58.36    + 7 07.7    0.050    1.024    15.2
           3     6 19.85    + 8 33.5
           4     6 41.58    + 9 55.7    0.050    1.017    15.4
           5     7 03.16    +11 12.2
           6     7 24.23    +12 21.3    0.051    1.011    15.7
           7     7 44.47    +13 21.8
           8     8 03.66    +14 13.6    0.054    1.006    16.0
           9     8 21.63    +14 56.9
          10     8 38.30    +15 32.4    0.059    1.001    16.3


1989 November 2                (4894)             Daniel W. E. Green

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