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IAUC 5821: 1993 MF

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                                                  Circular No. 5821
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@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)


1993 MF
     E. F. Helin reports the discovery by herself and K. Lawrence
of a fast-moving asteroidal object.  The following positions are
available:

     1993 UT             R.A. (2000) Decl.        V     Observer
     June 22.42674   20 13 08.28   + 3 04 37.2   13     Helin
          22.45694   20 13 13.50   + 3 06 16.6            "
          24.29080   20 18 40.71   + 4 49 35.0            "
          24.45434   20 19 07.82   + 4 59 01.8            "
          25.33785   20 21 49.75   + 5 50 01.8   13.7   Rogers
          25.34618   20 21 51.15   + 5 50 30.5            "
          25.36363   20 21 54.14   + 5 51 29.8            "
          25.36814   20 21 55.00   + 5 51 47.6            "
          25.37439   20 21 55.99   + 5 52 07.4            "
          25.39663   20 21 59.85   + 5 53 26.1            "
          25.58553   20 22 35.17   + 6 04 59.4          McNaught

E. Helin, K. Lawrence, M. Nassir, and W. Johnson (Palomar).  0.46-m
  Schmidt telescope films measured by Lawrence.
J. E. Rogers (Camarillo, CA).  0.25-m Schmidt-Cassegrain + CCD (V).
R. H. McNaught and G. Garradd (Siding Spring).  Measured by McNaught.

     Very preliminary orbital elements by G. V. Williams, SAO:

     T = 1993 Aug.  3.907 TT          Peri. =  78.083
     e = 0.58356                      Node  = 241.031   2000.0
     q = 1.14293 AU                   Incl. =   8.441
       a =  2.74452 AU     n = 0.216773     P =   4.55 years

1993 TT     R. A. (2000) Decl.   Delta     r    Elong. Phase    V
June 22    20 11.90   + 2 41.3   0.296   1.256  139.2   32.0   13.7
     24    20 17.78   + 4 33.2   0.287   1.246  138.4   32.8   13.7
     26    20 23.84   + 6 28.9   0.279   1.237  137.4   33.8   13.6
     28    20 30.10   + 8 27.8   0.272   1.228  136.4   34.8   13.6
     30    20 36.56   +10 29.4   0.265   1.219  135.3   35.9   13.5
July  2    20 43.24   +12 33.1   0.259   1.211  134.0   37.1   13.5
      4    20 50.13   +14 38.1   0.254   1.204  132.7   38.3   13.5
      6    20 57.24   +16 43.7   0.249   1.196  131.4   39.6   13.4
      8    21 04.57   +18 49.0   0.245   1.189  130.0   40.9   13.4


1993 June 25                   (5821)            Daniel W. E. Green

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