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IAUC 7469: S/1999 J 1

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                                                  Circular No. 7469
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)
BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7244/7440/7444 (for emergency use only)


S/1999 J 1
     B. Gladman, Observatoire de la Cote d'Azur, reports his recovery of
this satellite on CCD frames obtained with the European Southern Observatory's
2.2-m reflector at La Silla (July 25) and  8.2-m Very Large Telescope at
Paranal (July 28):

     2000 UT             R.A. (2000) Decl.         R
     July 25.41389    4 12 16.08   +19 28 01.4
          25.41704    4 12 16.18   +19 28 01.4   21.5
          25.42035    4 12 16.31   +19 28 01.5
          28.40119    4 14 13.55   +19 31 39.3   20.8
          28.40910    4 14 13.85   +19 31 39.9
          28.41756    4 14 14.17   +19 31 40.6

     Improved orbital elements by G. V. Williams, Harvard-Smithsonian Center
for Astrophysics, using also the 14 observations on IAUC 7460:

                    Epoch = 2000 Sept.13.0 TT
     T = 2001 Aug. 19.3452 TT         Peri. =  49.2924
     e = 0.124529                     Node  = 281.1044  2000.0
     q = 0.141481 AU                  Incl. = 143.0571
       a =  0.161605 AU    n = 0.468787     P = 767.9 days

2000 TT     R. A. (2000) Decl.     Delta     r_J   Elong.  dR.A.   dDecl.
July 25     4 12.00    +19 27.4    5.638    0.182   57.7     91+   2861-
Aug.  4     4 18.33    +19 38.7    5.501    0.182   65.8    455-   3199-
     14     4 23.83    +19 47.0    5.354    0.182   74.1   1000-   3532-
     24     4 28.41    +19 52.4    5.199    0.181   82.6   1538-   3859-
Sept. 3     4 31.93    +19 55.0    5.040    0.181   91.4   2064-   4181-
     13     4 34.27    +19 54.9    4.881    0.181  100.6   2570-   4497-
     23     4 35.32    +19 52.1    4.725    0.180  110.1   3049-   4805-
Oct.  3     4 35.02    +19 46.9    4.578    0.180  120.0   3495-   5104-
     13     4 33.35    +19 39.4    4.445    0.179  130.3   3898-   5380-
     23     4 30.35    +19 29.7    4.329    0.178  140.9   4254-   5630-
Nov.  2     4 26.17    +19 18.2    4.236    0.177  151.9   4557-   5843-
     12     4 21.05    +19 05.3    4.169    0.176  163.1   4807-   6006-
     22     4 15.34    +18 51.8    4.132    0.175  174.2   5001-   6104-
Dec.  2     4 09.43    +18 38.6    4.126    0.174  173.4   5147-   6131-
     12     4 03.78    +18 26.8    4.150    0.173  162.1   5253-   6085-
     22     3 58.77    +18 17.6    4.204    0.171  150.8   5326-   5966-

                      (C) Copyright 2000 CBAT
2000 July 28                   (7469)              Brian G. Marsden

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