Electronic Telegram No. 3504
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
CBAT Director:  Daniel W. E. Green; Hoffman Lab 209; Harvard University;
 20 Oxford St.; Cambridge, MA  02138; U.S.A.
e-mail:  cbatiau@eps.harvard.edu (alternate cbat@iau.org)
URL http://www.cbat.eps.harvard.edu/index.html
Prepared using the Tamkin Foundation Computer Network


COMET P/2013 EV_9 (SPACEWATCH)
     G. V. Williams and A. Lowe have identified observations of this comet
(cf. CBET 3503) in one-night astrometry from 1996 (Feb. 17, Spacewatch) and
2005 (May 3, Catalina Sky Survey; May 20, NEAT survey at Palomar; June 16,
Spacewatch) in the Minor Planet Center's database.

     1996 UT             R.A. (2000) Decl.       Mag.
     Feb. 17.20871    9 17 17.36   + 7 14 45.4   19.0
          17.22975    9 17 16.47   + 7 14 59.5
          17.25076    9 17 15.80   + 7 15 15.7

     2005 UT             R.A. (2000) Decl.       Mag.
     May   3.42259   17 12 01.07   - 1 03 15.9   18.1
           3.42904   17 12 01.01   - 1 03 13.8   18.2
           3.43551   17 12 00.77   - 1 03 12.2   19.2
           3.44205   17 12 00.53   - 1 03 09.5   18.2
          20.30530   17 02 27.58   + 0 09 51.2   20.0
          20.31857   17 02 27.02   + 0 09 53.7   19.6
          20.33515   17 02 26.26   + 0 09 56.4   20.0
     June 16.30946   16 43 06.71   + 0 12 49.3   20.4
          16.32439   16 43 06.12   + 0 12 46.2   20.9
          16.33932   16 43 05.50   + 0 12 44.7   20.5

The following linked orbital elements are by Williams:

                    Epoch = 1996 June  6.0 TT
     T = 1996 June  4.19029 TT        Peri. =  21.13423
     e = 0.4872096                    Node  = 161.45807 2000.0
     q = 2.1116282 AU                 Incl. =  14.47966
       a =  4.1179172 AU   n = 0.11794721   P =   8.36 years

                    Epoch = 2004 Nov. 11.0 TT
     T = 2004 Nov.  3.16910 TT        Peri. =  21.67844
     e = 0.4843302                    Node  = 161.39180 2000.0
     q = 2.1382485 AU                 Incl. =  14.48391
       a =  4.1465455 AU   n = 0.11672783   P =   8.44 years

                    Epoch = 2013 Apr. 18.0 TT
     T = 2013 Apr.  7.17280 TT        Peri. =  22.10853
     e = 0.4856584                    Node  = 161.22339 2000.0
     q = 2.1250921 AU                 Incl. =  14.46689
       a =  4.1316744 AU   n = 0.11735861   P =   8.40 years


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      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2013 CBAT
2013 May 3                       (CBET 3504)              Daniel W. E. Green