Electronic Telegram No. 2083
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
M.S. 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://www.cfa.harvard.edu/iau/cbat.html


COMET P/2009 W1 = 1999 XO188 (HILL)
     F. Manca, Bosisio Parini (LC), Italy, has suggested that comet P/2009 W1
(cf. IAUC 9095, 9097) was observed at its previous perihelion passage as 1999
XO188, the observations of which, all by LINEAR, are given on MPS 9249 and
82876.  An orbit was published on MPO 50446.  The 1999 discovery observation
is:

     1999 UT             R.A. (2000) Decl.       Mag.   Observer
     Dec. 12.34407   05 19 14.59   +32 18 23.0   18.6   LINEAR

     Additional observations and an orbital linkage are given on MPEC
2009-Y21.


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2009 CBAT
2009 December 17                 (CBET 2083)              Brian G. Marsden