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IAUC 4416: 1959 LM = 1987 MB

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                                                  Circular No. 4416
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM    Telephone 617-495-7244/7440/7444


1959 LM = 1987 MB
     C. Shoemaker reports her discovery of a fast-moving asteroidal
object, designated 1987 MB, on exposures by E. Shoemaker and H.
Holt with the Palomar 0.46-m Schmidt.  Available positions are:

  1987 UT            R. A.   (1950)   Decl.      Mag.    Observer
  June 24.38733    20 59 20.20    -18 42 56.8    17      Shoemaker
       24.41406    20 59 16.89    -18 43 01.2                "
  July  2.35128    20 42 46.77    -19 05 00.1    16.8    Skiff
        2.37280    20 42 43.90    -19 05 04.2              "
        3.36042    20 40 34.46    -19 07 50.9    16.8      "
        3.38197    20 40 31.35    -19 07 53.4              "
        6.58148    20 33 27.56    -19 16 35.4    17      Gilmore
        6.62639    20 33 21.45    -19 16 42.7               "

B. Skiff (Lowell Obs., Anderson Mesa Station).  Measurer E. Bowell.
A. C. Gilmore (Mt. John Observatory).  Measurer P. M. Kilmartin.

     C. M. Bardwell, Center for Astrophysics, has suggested identity
with the Apollo object 1959 LM.  The following orbital elements,
by B. G. Marsden, are from the 16 available positions:

      T = 1987 Feb. 27.3530 ET        Epoch 1987 July 24.0 ET
      Peri. = 235.1387                e =   0.637390
      Node  = 295.2696   1950.0       a =   1.980202 AU
      i     =   6.7650                n =   0.3537040
      q     =   0.718040 AU           P =   2.79 years

     1987 ET     R. A. (1950) Decl.     Delta      r       V
     June 24    21 00.09    -18 41.8    0.786    1.692    16.1
          29    20 49.95    -18 55.3
     July  4    20 39.17    -19 09.5    0.810    1.779    16.0
           9    20 28.08    -19 23.1
          14    20 17.05    -19 35.2    0.856    1.863    15.9
          19    20 06.40    -19 45.3
          24    19 56.46    -19 53.0    0.929    1.944    16.0
          29    19 47.45    -19 58.4
     Aug.  3    19 39.56    -20 01.6    1.028    2.022    16.6

          13    19 27.44    -20 02.7
          23    19 20.10    -19 58.9    1.295    2.169    17.5
     Sept. 2    19 17.10    -19 51.8
          12    19 17.74    -19 41.8    1.628    2.304    18.3


1987 July 7                    (4416)            Daniel W. E. Green

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