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IAUC 8856: P/2007 N2 = P/2002 O5

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                                                  Circular No. 8856
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://www.cfa.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)


COMET P/2007 N2 = P/2002 O5 (NEAT)
     Comet P/2002 O5 (cf. IAUC 7942) has been recovered apparently
independently on CCD images obtained at three different
observatories:

     2007 UT             R.A. (2000) Decl.       Mag.   Observer
     July 15.22509   17 05 36.69   -12 42 18.5   15.8   LINEAR
          15.23619   17 05 38.35   -12 41 00.0   16.0     "
          15.24728   17 05 39.89   -12 39 40.4   16.6     "
          15.25845   17 05 41.73   -12 38 23.8   15.9     "
          15.26954   17 05 43.38   -12 37 05.8   15.9     "
          16.00235   17 07 43.80   -11 11 33.0   16.4   Fratev
          16.00372   17 07 44.31   -11 11 26.6   17.0   Lombardi
          16.00635   17 07 44.71   -11 11 07.8   17.1     "
          16.00872   17 07 45.02   -11 10 49.7   16.5   Fratev
          16.01498   17 07 45.87   -11 10 06.3   16.3     "
          16.02155   17 07 46.73   -11 09 19.2   16.5     "

LINEAR (Socorro, NM).  1.0-m f/2.15 reflector.  Observations
 identified via the normal checking of data by the Minor Planet
 Center.
G. Lombardi and E. Pettarin (Farra d'Isonzo, Italy).  0.40-m f/4.5
 reflector.  USNO-A2.0 catalogue.  Comet has a diffuse coma of
 diameter about 10" and a tail about 15" long in p.a. 135 deg.
F. Fratev and E. Mihaylova (Plana, Bulgaria).  0.25-m f/3.2
 reflector.  USNO-B1.0 catalogue.  Coma diameter about 25"; total
 red mag 16.0.

     The correction to the predictions on MPC 51823 and in the
2007 Comet Handbook is Delta(T) = -0.36 day.  The following linked
orbital elements are by B. G. Marsden, from 254 observations,
2002-2007 (mean residual 0".7):

                    Epoch = 2002 July 25.0 TT
     T = 2002 Aug.  3.10144 TT        Peri. =  15.30571
     e = 0.5973957                    Node  = 282.20995 2000.0
     q = 1.1742394 AU                 Incl. =  20.39966
       a =  2.9166089 AU   n = 0.19787311   P =   4.98 years

                    Epoch = 2007 Aug.  8.0 TT
     T = 2007 July 25.90695 TT        Peri. =  15.27124
     e = 0.5976949                    Node  = 282.20178 2000.0
     q = 1.1733898 AU                 Incl. =  20.40165
       a =  2.9166666 AU   n = 0.19786724   P =   4.981 years

                      (C) Copyright 2007 CBAT
2007 July 16                   (8856)            Daniel W. E. Green

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