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IAUC 8263: COMET 159P/2003 UD_16 (LONEOS); C/2002 W9, W10, W11, W12, W13, W14, W15, W16, W17

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                                                  Circular No. 8263
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
CBAT@CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)


COMET 159P/2003 UD_16 (LONEOS)
     Images of comet P/2003 UD_16 (cf. IAUC 8248) were identified
and measured by M. Meyer from Palomar Sky Survey photographs taken
on 1989 Dec. 17 and 1991 Feb. 19.  The resulting orbital elements
by B. G. Marsden, given below, are taken from MPEC 2004-A18.

                    Epoch = 1989 Nov. 10.0 TT
     T = 1989 Oct. 21.97484 TT        Peri. =   3.89285
     e = 0.3839794                    Node  =  56.46319 2000.0
     q = 3.6475040 AU                 Incl. =  23.26117
       a =  5.9210751 AU   n = 0.06840742   P =  14.41 years

                    Epoch = 2004 Mar. 16.0 TT
     T = 2004 Mar.  3.07823 TT        Peri. =   4.99908
     e = 0.3806606                    Node  =  55.16130 2000.0
     q = 3.6508526 AU                 Incl. =  23.42153
       a =  5.8947523 AU   n = 0.06886614   P =  14.31 years


COMETS C/2002 W9, W10, W11, W12, W13, W14, W15, W16, W17
     Further to IAUC 8179, K. Battams has reported measurements of
Kreutz sungrazing comets found by D. Evans (C/2002 W9), X. Leprette
(C/2002 W10 and W15), X.-m. Zhou (C/2002 W11 and W13), J. Sachs
(C/2002 W12), and S. Hoenig (C/2002 W14, W16, and W17) on SOHO
website images taken with the C2 coronagraph.  C/2002 W9 and W12
were also observed in the C3 instrument.  The reduced astrometry
and orbital elements by B. G. Marsden appear on MPEC 2004-A03 and
2004-A05.

      Comet          2002 UT           R.A. (2000.0) Decl.
      C/2002 W9      Nov. 22.696       15 44.7      -23 37
      C/2002 W10          24.396       15 58.9      -22 13
      C/2002 W11          25.079       16 02.1      -22 21
      C/2002 W12          27.346       16 01.0      -26 19
      C/2002 W13          27.963       16 15.4      -22 55
      C/2002 W14          28.713       16 18.6      -23 06
      C/2002 W15          29.064       16 21.6      -23 15
      C/2002 W16          29.204       16 23.1      -23 22
      C/2002 W17          29.288       16 20.7      -23 12

                      (C) Copyright 2004 CBAT
2004 January 7                 (8263)            Daniel W. E. Green

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