Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2177

                                           25 September 2017


            UNIVERSAL TIME AND TERRESTRIAL POLE MOTION


    Data         MJD      UT1(SU)-UTC    X(SU)      Y(SU)
    (0h UT)                   (s)         (")        (")

                       W E E K L Y    V A L U E S
  YEAR  2017
  Sep.  12      58008      +0,329565    +0,24062    +0,33912 
        13      58009      +0,328901    +0,23952    +0,33746 
        14      58010      +0,328299    +0,23808    +0,33575 
        15      58011      +0,327705    +0,23704    +0,33427 
        16      58012      +0,327107    +0,23626    +0,33294 
        17      58013      +0,326344    +0,23557    +0,33134 
        18      58014      +0,325436    +0,23503    +0,32977 

                          P R E D I C T I O N
  YEAR  2017
  Sep.  25      58021      +0,31836     +0,2292     +0,3187   
  Oct.   2      58028      +0,31394     +0,2212     +0,3095   
         9      58035      +0,30522     +0,2192     +0,2984   
        16      58042      +0,29810     +0,2125     +0,2881   
        23      58049      +0,28976     +0,2045     +0,2792   
        30      58056      +0,28280     +0,1912     +0,2694   
  Nov.   6      58063      +0,27044     +0,1810     +0,2631   

     NOTATION:
MJD - Modifired Julian Day; MJD=JD-2400000,5;
UT1(SU), X(SU), Y(SU) - Universal Time UT1 and terrestrial pole motion
                        components, evaluated State Service for Time,
                        Frequency and EOP evaluation - SSTF;
UTC -  Universal Time Coordinated;
TA(SU) - Atomic Time scale of Russian Federation;
Difference UTC-TA(SU) = -33,17276 s (from 1 July 2015),
                        -34,17276 s (from 1 January 2017).


                                 Main Metrological Center
                                       of SSTF