Federal Agency
  on Technical Regulating
  and Metrology

  FSUE "VNIIFTRI"



                                 B U L L E T I N E    A - 2457

                                            6 February 2023


            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  2023
  Jan.  24      59968      -0,015186    +0,00567    +0,23009 
        25      59969      -0,015413    +0,00414    +0,23139 
        26      59970      -0,015702    +0,00306    +0,23335 
        27      59971      -0,015871    +0,00192    +0,23586 
        28      59972      -0,015976    +0,00060    +0,23800 
        29      59973      -0,015934    -0,00003    +0,24019 
        30      59974      -0,015661    -0,00070    +0,24250 

                          P R E D I C T I O N
  YEAR  2023
  Feb.   6      59981      -0,01098     -0,0050     +0,2597   
        13      59988      -0,01021     -0,0153     +0,2736   
        20      59995      -0,00822     -0,0247     +0,2918   
        27      60002      -0,01160     -0,0277     +0,3081   
  Mar.   6      60009      -0,00937     -0,0350     +0,3248   
        13      60016      -0,01193     -0,0390     +0,3422   
        20      60023      -0,01102     -0,0297     +0,3607   

     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