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Observations of coorbital satellites of Saturn in 2004-2005
    Emelyanov N. V., Varfolomeev M. I.
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Description:
    To improve the orbital parameters and masses of coorbital satellites 
    of Saturn, Janus and Epimetheus, new observations of these satellites 
    are necessary. Usually these satellites are observable only during 
    the Earth and Sun crossings of Saturn's ring plane which occur once 
    in 14 years. Recently other ways of observing these satellites were found. 
    This paper contains precalculated dates of possible observations of Janus 
    and Epimetheus in 2004-2005. All necessary data on the events are contained 
    in the table. Each table line contains information on one single event. 
    The first 4 columns give the moment of the event with a precision 
    to within 1 second. It should be repeated that the duration of each passing 
    near the Saturn’s pole is about 30-40 minutes, so the observations may be 
    begun 15-20 minutes before the indicated moment. The next column contains 
    the designation of the satellite, which will be observed at this time: 
    S10 is Janus, S11 is Epimetheus. The next column describes the nature 
    of the event: 'pole' means that the ring is occulted by the disk of Saturn 
    and the corresponding satellite is in superior conjunction; 'shade' 
    means that the satellite passes near the shaded part of Saturn’s ring.

File Summary:
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  FileName   Lrecl  Records   Explanations
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ReadMeT.txt     80        .   This file
table1.txt      47     1219   Precalculated dates of possible observations  
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Byte-by-byte Description of files: table1.txt
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   Bytes Format Units   Label     Explanations
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   1- 14  F14.6 d       JD        Julian Date (TT)
  17- 20  I4    ---     YYYY      Year of the date
  22- 23  I2    ---     MM        Month number of the date
  25- 26  I2    d       DD        Day of the date
  29- 30  I2    h       HH        Hour of the date (TT)
  32- 33  I2    m       MM        Minutes of the date (TT)
  35- 36  I2    s       SS        Secondes of the date (TT)
  39- 41  A3    ---     SAT       Observable satellite, see Note (1)
  43- 47  A5    ---     POS       Sircumstances, see Note (2)
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Note (1): 
    S10: Janus
    S11: Epimetheus
Note (2): 
   pole : the ring is occulted by the disk of Saturn and the 
          corresponding satellite is in superior conjunction
   shade: the satellite passes near the shaded part of Saturn’s ring
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Acknowledgements: This work was supported by the Russian Foundation for Basic
   Research, project no. 03-02-17441.

References:
   Nicholson P.D. et al., 1992Icar..100..464N, New observations of Saturn's 
     coorbital satellites

   Emel’yanov N.V., 1996AstL...22..135E, A new tool for providing observations 
     of planetary satellites with ephemerides

   Emel'yanov N.V., 2001SoSyR..35..209E, Visible Encounters of the Outermost 
     Satellites of Jupiter

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(End)                                                               01-June-2004