Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2173

                                           28 August 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
  Aug.  15      57980      +0,341668    +0,22555    +0,38773 
        16      57981      +0,341250    +0,22532    +0,38583 
        17      57982      +0,340917    +0,22555    +0,38366 
        18      57983      +0,340717    +0,22651    +0,38145 
        19      57984      +0,340512    +0,22760    +0,37963 
        20      57985      +0,340281    +0,22862    +0,37842 
        21      57986      +0,339950    +0,22955    +0,37724 

                          P R E D I C T I O N
  YEAR  2017
  Aug.  28      57993      +0,33653     +0,2341     +0,3660   
  Sep.   4      58000      +0,33491     +0,2333     +0,3518   
        11      58007      +0,32807     +0,2349     +0,3397   
        18      58014      +0,32146     +0,2325     +0,3259   
        25      58021      +0,31392     +0,2286     +0,3111   
  Oct.   2      58028      +0,30906     +0,2215     +0,2970   
         9      58035      +0,29877     +0,2175     +0,2863   

     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