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IAUC 5667: 1992z; 1992y

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                                                  Circular No. 5667
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)


PERIODIC COMET KOJIMA (1992z)
     J. V. Scotti reports his recovery of this comet using the
Spacewatch telescope at Kitt Peak.  On Dec. 1, the comet was essentially
stellar with a hint of extended size.  The indicated correction
to the prediction on MPC 18256 (ephemeris on MPC 21280) is
Delta(T) = -0.05 day.

     1992 UT             R.A. (2000) Decl.        m1
     Oct. 21.40510    2 30 07.03   +13 41 28.8   22.1
          21.41361    2 30 06.67   +13 41 27.3   21.5
          21.42554    2 30 06.24   +13 41 26.0   22.4
     Dec.  1.12069    2 03 21.13   +11 24 30.8   20.7
           1.13420    2 03 20.78   +11 24 28.8   22.6
           1.14581    2 03 20.47   +11 24 26.3   21.7
           1.15768    2 03 20.00   +11 24 25.6   21.0


COMET SHOEMAKER (1992y)
     Orbital elements by B. G. Marsden from MPC 21236:

     T = 1993 Mar. 25.663 TT          Peri. =  54.859
                                      Node  =  55.300   2000.0
     q = 2.31384 AU                   Incl. =  65.994

1992/93     R. A. (2000) Decl.   Delta     r    Elong. Phase    m1
Dec.  4     3 03.79   +38 30.3   1.711   2.629  153.3    9.7   13.9
     14     2 39.45   +40 47.8   1.739   2.579  140.9   13.9   13.8
     24     2 17.89   +42 33.6   1.799   2.532  128.6   17.7   13.8
Jan.  3     2 00.76   +43 57.7   1.882   2.489  117.1   20.6   13.8
     13     1 48.65   +45 12.4   1.979   2.450  106.7   22.6   13.9
     23     1 41.45   +46 27.5   2.083   2.416   97.4   23.8   13.9
Feb.  2     1 38.75   +47 50.1   2.189   2.386   89.1   24.4   14.0
     12     1 40.02   +49 24.2   2.290   2.361   81.8   24.4   14.0
     22     1 44.86   +51 11.5   2.385   2.341   75.5   24.1   14.1
Mar.  4     1 53.04   +53 12.8   2.471   2.327   70.0   23.6   14.1
     14     2 04.51   +55 27.6   2.546   2.318   65.5   23.0   14.2
     24     2 19.48   +57 54.5   2.611   2.314   61.8   22.3   14.2
Apr.  3     2 38.49   +60 31.6   2.666   2.316   59.0   21.7   14.3

     Total visual magnitude estimate by A. Nakamura, Kuma, Japan
(0.60-m reflector):  Nov. 2.66 UT, 14.6.


1992 December 4                (5667)            Daniel W. E. Green

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