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IAUC 5697: 1980 AA = 1993 BC2; Corrs

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                                                  Circular No. 5697
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)


1980 AA = 1993 BC2
     G. V. Williams, Minor Planet Center, has found 1993 BC2 (cf.
IAUC 5695) to be identical with an object found by A. Mrkos at Klet
in 1980, yielding the following orbital elements:

                    Epoch = 1993 Jan. 13.0 TT
     T = 1993 Jan. 10.3276 TT         Peri. = 168.0400
     e = 0.443894                     Node  = 299.2261  2000.0
     q = 1.052286 AU                  Incl. =   4.1891
       a =  1.892240 AU    n = 0.3786517    P =   2.603 years

1993 TT     R. A. (2000) Decl.   Delta     r    Elong. Phase    V
Jan. 23     6 30.98   +21 32.8   0.085   1.062  154.1   23.9   14.4
     25     6 47.59   +19 24.2   0.087   1.065  155.9   22.2   14.4
     27     7 03.21   +17 17.4   0.090   1.069  157.4   20.8   14.4
     29     7 17.74   +15 15.2   0.094   1.073  158.6   19.6   14.5
     31     7 31.18   +13 19.7   0.098   1.077  159.5   18.7   14.6
Feb.  2     7 43.55   +11 32.4   0.102   1.082  160.1   18.1   14.7
      4     7 54.88   + 9 53.9   0.107   1.087  160.4   17.7   14.8
      6     8 05.25   + 8 24.5   0.113   1.093  160.6   17.5   14.9
      8     8 14.72   + 7 04.2   0.119   1.099  160.6   17.4   15.0
     10     8 23.38   + 5 52.7   0.125   1.106  160.5   17.4   15.1
     12     8 31.30   + 4 49.5   0.132   1.113  160.2   17.4   15.3
     14     8 38.56   + 3 53.9   0.140   1.120  160.0   17.6   15.4
     16     8 45.22   + 3 05.3   0.147   1.127  159.6   17.8   15.5
     18     8 51.38   + 2 23.0   0.155   1.135  159.3   18.0   15.7
     20     8 57.08   + 1 46.3   0.164   1.143  158.8   18.2   15.8
     22     9 02.38   + 1 14.7   0.173   1.152  158.4   18.5   15.9


CORRIGENDA
     On IAUC 5679, for   (Chuchibu).  read  (Chichibu).
     On IAUC 5684, for   de Costa  read  da Costa
     On IAUC 5696, 'Periodic Comet Bus (1993b)', last line, for
+0.05 day.  read  -0.05 day.


1993 January 22                (5697)            Daniel W. E. Green

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