Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2243

                                           31 December 2018


            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  2018
  Dec.  18      58470      -0,025027    +0,11549    +0,26795 
        19      58471      -0,026039    +0,11351    +0,26740 
        20      58472      -0,026914    +0,11173    +0,26693 
        21      58473      -0,027618    +0,10990    +0,26668 
        22      58474      -0,028198    +0,10790    +0,26647 
        23      58475      -0,028676    +0,10579    +0,26647 
        24      58476      -0,029122    +0,10362    +0,26654 

                          P R E D I C T I O N
  YEAR  2018/19
  Dec.  31      58483      -0,03470     +0,0891     +0,2682   
  Jan.   7      58490      -0,03787     +0,0770     +0,2674   
        14      58497      -0,04162     +0,0672     +0,2703   
        21      58504      -0,04607     +0,0543     +0,2728   
        28      58511      -0,05450     +0,0465     +0,2787   
  Feb.   4      58518      -0,05875     +0,0431     +0,2851   
        11      58525      -0,06415     +0,0401     +0,2889   

     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