Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2178

                                            2 October 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.  19      58015      +0,324387    +0,23432    +0,32816 
        20      58016      +0,323267    +0,23351    +0,32635 
        21      58017      +0,322186    +0,23240    +0,32448 
        22      58018      +0,321113    +0,23137    +0,32250 
        23      58019      +0,320145    +0,23034    +0,32061 
        24      58020      +0,319307    +0,22924    +0,31846 
        25      58021      +0,318540    +0,22846    +0,31624 

                          P R E D I C T I O N
  YEAR  2017
  Oct.   2      58028      +0,31440     +0,2212     +0,3010   
         9      58035      +0,30507     +0,2116     +0,2905   
        16      58042      +0,29737     +0,2005     +0,2829   
        23      58049      +0,28873     +0,1956     +0,2736   
        30      58056      +0,28259     +0,1862     +0,2655   
  Nov.   6      58063      +0,27208     +0,1757     +0,2590   
        13      58070      +0,26248     +0,1603     +0,2519   

     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