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IAUC 5721: 1993 EA = 1984 AJ

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                                                  Circular No. 5721
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 EA = 1984 AJ
     J. V. Scotti and D. L. Rabinowitz, Lunar and Planetary Laboratory,
report the following precise positions of an unusual asteroidal
object discovered by Scotti with the 0.9-m Spacewatch telescope at
Kitt Peak:

     1993 UT             R.A. (2000) Decl.         V
     Mar.  3.32749   12 46 18.07   + 5 05 29.6   19.3
           3.33579   12 46 17.33   + 5 05 36.0   19.3
           3.34368   12 46 16.63   + 5 05 42.3   19.2
           3.43196   12 46 08.72   + 5 06 51.8   19.1
           3.44190   12 46 07.83   + 5 06 59.7   19.3
           3.44932   12 46 07.15   + 5 07 05.7   19.2
           4.23291   12 44 58.84   + 5 17 26.3   19.2
           4.23927   12 44 58.27   + 5 17 31.3   20.1
           4.24553   12 44 57.69   + 5 17 36.3   19.5
          19.25524   12 18 50.64   + 8 44 41.4   19.0
          19.26678   12 18 49.26   + 8 44 50.6
          19.27643   12 18 48.11   + 8 44 58.6

Rabinowitz points out that his preliminary orbit determination indicates
brightening to V = 16 during an approach to within 0.2 AU of the earth
in Jan. 1994.  The undersigned has identified the object with 1984 AJ,
discovered by C. T. Kowal with the 1.2-m Oschin Schmidt at Palomar on
1984 Jan. 10, and the following orbit satisfies the above observations
and the ends of the trail of the mag 15 image, measured by S. Swanson
on Kowal's 20-min exposure (cf. MPC 8510):

                    Epoch = 1993 Aug. 1.0 TT
     T = 1993 Nov. 18.3350 TT         Peri. = 258.5931
     e = 0.585640                     Node  =  97.2466  2000.0
     q = 0.527056 AU                  Incl. =   5.0549
       a =  1.271974 AU    n = 0.6870471    P =   1.435 years

1993 TT     R. A. (2000) Decl.     Delta      r    Elong. Phase      V
Mar. 24    12 09.57    + 9 47.8    1.019    2.006  168.8    5.5     19.0
Apr.  3    11 50.22    +11 42.8    1.033    1.994  157.6   11.0     19.3
     13    11 33.12    +13 04.0    1.075    1.978  144.4   17.2     19.5
     23    11 19.92    +13 47.7    1.138    1.957  131.8   22.5     19.8
May   3    11 11.36    +13 56.9    1.216    1.933  120.4   26.7     20.1


1993 March 21                  (5721)              Brian G. Marsden

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