Computer Ephemeris for 2018 from DE200/LE200.

Longitude of central meridian of Jupiter.

                                System 1
 Date    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
    1  221.9   74.8  176.4   34.1   95.3  313.7   11.3  223.4   72.8  123.0  330.4   20.5
    2   19.7  232.7  334.4  192.2  253.3  111.6  169.2   21.2  230.5  280.7  128.1  178.2
    3  177.5   30.6  132.3  350.2   51.3  269.6  327.0  179.0   28.2   78.3  285.7  335.9
    4  335.3  188.5  290.3  148.2  209.4   67.6  124.9  336.7  185.9  236.0   83.4  133.6
    5  133.1  346.3   88.3  306.2    7.4  225.5  282.7  134.5  343.6   33.7  241.0  291.2
    6  290.9  144.2  246.2  104.3  165.4   23.5   80.6  292.2  141.3  191.3   38.7   88.9
    7   88.7  302.1   44.2  262.3  323.5  181.4  238.4   90.0  299.0  349.0  196.4  246.6
    8  246.6  100.0  202.2   60.3  121.5  339.4   36.3  247.7   96.6  146.6  354.0   44.3
    9   44.4  257.9    0.1  218.4  279.5  137.3  194.1   45.4  254.3  304.3  151.7  202.0
   10  202.2   55.8  158.1   16.4   77.6  295.3  351.9  203.2   52.0  102.0  309.4  359.7
   11    0.0  213.7  316.1  174.4  235.6   93.2  149.8    0.9  209.7  259.6  107.0  157.4
   12  157.8   11.6  114.1  332.5   33.6  251.2  307.6  158.6    7.4   57.3  264.7  315.1
   13  315.7  169.5  272.0  130.5  191.6   49.1  105.4  316.4  165.0  214.9   62.4  112.8
   14  113.5  327.4   70.0  288.6  349.7  207.0  263.2  114.1  322.7   12.6  220.0  270.5
   15  271.3  125.3  228.0   86.6  147.7    5.0   61.1  271.8  120.4  170.2   17.7   68.2
   16   69.1  283.3   26.0  244.6  305.7  162.9  218.9   69.6  278.1  327.9  175.4  225.9
   17  227.0   81.2  184.0   42.7  103.7  320.8   16.7  227.3   75.7  125.5  333.0   23.6
   18   24.8  239.1  342.0  200.7  261.7  118.7  174.5   25.0  233.4  283.2  130.7  181.3
   19  182.7   37.0  140.0  358.8   59.7  276.6  332.3  182.7   31.1   80.9  288.4  339.0
   20  340.5  195.0  298.0  156.8  217.8   74.6  130.1  340.4  188.7  238.5   86.0  136.7
   21  138.3  352.9   96.0  314.8   15.8  232.5  287.9  138.1  346.4   36.2  243.7  294.4
   22  296.2  150.8  254.0  112.9  173.8   30.4   85.7  295.8  144.1  193.8   41.4   92.2
   23   94.0  308.8   52.0  270.9  331.8  188.3  243.5   93.6  301.7  351.5  199.1  249.9
   24  251.9  106.7  210.0   69.0  129.8  346.2   41.3  251.3   99.4  149.1  356.7   47.6
   25   49.8  264.6    8.0  227.0  287.8  144.0  199.0   49.0  257.1  306.8  154.4  205.3
   26  207.6   62.6  166.0   25.0   85.8  301.9  356.8  206.7   54.7  104.5  312.1    3.0
   27    5.5  220.5  324.0  183.1  243.7   99.8  154.6    4.4  212.4  262.1  109.8  160.7
   28  163.3   18.5  122.1  341.1   41.7  257.7  312.4  162.1   10.0   59.8  267.5  318.5
   29  321.2         280.1  139.2  199.7   55.6  110.1  319.8  167.7  217.4   65.1  116.2
   30  119.1          78.1  297.2  357.7  213.4  267.9  117.5  325.4   15.1  222.8  273.9
   31  276.9         236.1         155.7          65.7  275.2         172.7          71.6

                                System 2
 Date    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
    1   74.7   51.1  299.0  280.2  112.4   94.3  283.0  258.7  231.5   52.8   23.7  204.8
    2  224.9  201.3   89.3   70.6  262.8  244.6   73.3   48.8   21.6  202.8  173.7  354.9
    3   15.0  351.6  239.7  221.0   53.2   35.0  223.5  198.9  171.6  352.9  323.7  145.0
    4  165.2  141.8   30.0   11.4  203.6  185.3   13.7  349.0  321.7  142.9  113.7  295.0
    5  315.4  292.1  180.3  161.8  354.0  335.6  164.0  139.2  111.8  292.9  263.8   85.1
    6  105.6   82.3  330.7  312.2  144.4  126.0  314.2  289.3  261.8   82.9   53.8  235.1
    7  255.7  232.6  121.0  102.6  294.9  276.3  104.4   79.4   51.9  233.0  203.8   25.2
    8   45.9   22.8  271.3  253.0   85.3   66.6  254.6  229.5  201.9   23.0  353.9  175.3
    9  196.1  173.1   61.7   43.4  235.7  216.9   44.8   19.6  352.0  173.0  143.9  325.3
   10  346.3  323.4  212.0  193.8   26.1    7.3  195.0  169.7  142.0  323.1  293.9  115.4
   11  136.5  113.6    2.4  344.2  176.5  157.6  345.2  319.8  292.1  113.1   84.0  265.5
   12  286.7  263.9  152.7  134.6  326.8  307.9  135.4  109.9   82.1  263.1  234.0   55.5
   13   76.9   54.2  303.1  285.0  117.2   98.2  285.6  260.0  232.2   53.1   24.0  205.6
   14  227.1  204.5   93.4   75.4  267.6  248.5   75.8   50.1   22.2  203.2  174.1  355.7
   15   17.3  354.8  243.8  225.8   58.0   38.8  226.0  200.2  172.2  353.2  324.1  145.7
   16  167.5  145.0   34.1   16.2  208.4  189.1   16.2  350.3  322.3  143.2  114.2  295.8
   17  317.7  295.3  184.5  166.7  358.8  339.4  166.3  140.4  112.3  293.2  264.2   85.9
   18  107.9   85.6  334.9  317.1  149.2  129.7  316.5  290.5  262.4   83.3   54.2  236.0
   19  258.1  235.9  125.2  107.5  299.6  279.9  106.7   80.6   52.4  233.3  204.3   26.0
   20   48.3   26.2  275.6  257.9   89.9   70.2  256.9  230.7  202.4   23.3  354.3  176.1
   21  198.5  176.5   66.0   48.3  240.3  220.5   47.0   20.7  352.5  173.3  144.4  326.2
   22  348.7  326.8  216.4  198.7   30.7   10.8  197.2  170.8  142.5  323.4  294.4  116.3
   23  139.0  117.1    6.7  349.1  181.1  161.0  347.4  320.9  292.5  113.4   84.5  266.4
   24  289.2  267.4  157.1  139.5  331.4  311.3  137.5  111.0   82.6  263.4  234.5   56.4
   25   79.4   57.7  307.5  290.0  121.8  101.6  287.7  261.1  232.6   53.5   24.5  206.5
   26  229.6  208.1   97.9   80.4  272.2  251.8   77.8   51.1   22.6  203.5  174.6  356.6
   27   19.9  358.4  248.3  230.8   62.5   42.1  228.0  201.2  172.7  353.5  324.6  146.7
   28  170.1  148.7   38.6   21.2  212.9  192.3   18.1  351.3  322.7  143.5  114.7  296.8
   29  320.3         189.0  171.6    3.2  342.6  168.2  141.3  112.7  293.6  264.7   86.9
   30  110.6         339.4  322.0  153.6  132.8  318.4  291.4  262.8   83.6   54.8  237.0
   31  260.8         129.8         303.9         108.5   81.5         233.6          27.1

                                System 3
 Date    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
    1  265.2  249.8  145.2  134.6  334.8  324.9  161.7  145.5  126.6  315.9  295.0  124.2
    2   55.6   40.3  295.8  285.3  125.5  115.5  312.2  295.9  277.0  106.2   85.3  274.5
    3  206.0  190.8   86.4   75.9  276.2  266.1  102.6   86.3   67.3  256.5  235.6   64.8
    4  356.5  341.3  237.0  226.6   66.8   56.7  253.1  236.7  217.6   46.8   25.9  215.1
    5  146.9  131.8   27.6   17.3  217.5  207.3   43.6   27.1    7.9  197.1  176.2    5.4
    6  297.3  282.4  178.2  167.9    8.2  357.9  194.1  177.5  158.2  347.4  326.5  155.8
    7   87.8   72.9  328.8  318.6  158.8  148.5  344.6  327.8  308.6  137.7  116.8  306.1
    8  238.2  223.4  119.4  109.3  309.5  299.1  135.1  118.2   98.9  288.0  267.1   96.4
    9   28.7   13.9  270.0  259.9  100.2   89.7  285.5  268.6  249.2   78.2   57.4  246.8
   10  179.1  164.5   60.6   50.6  250.8  240.3   76.0   59.0   39.5  228.5  207.7   37.1
   11  329.6  315.0  211.2  201.3   41.5   30.9  226.5  209.3  189.8   18.8  358.0  187.4
   12  120.1  105.6    1.8  351.9  192.2  181.4   16.9  359.7  340.1  169.1  148.3  337.8
   13  270.5  256.1  152.4  142.6  342.8  332.0  167.4  150.1  130.4  319.4  298.6  128.1
   14   61.0   46.7  303.0  293.3  133.5  122.6  317.9  300.4  280.8  109.7   88.9  278.4
   15  211.5  197.2   93.7   84.0  284.1  273.1  108.3   90.8   71.1  260.0  239.2   68.8
   16    1.9  347.8  244.3  234.6   74.8   63.7  258.8  241.2  221.4   50.3   29.5  219.1
   17  152.4  138.3   34.9   25.3  225.4  214.3   49.2   31.5   11.7  200.6  179.8    9.4
   18  302.9  288.9  185.6  176.0   16.1    4.8  199.7  181.9  162.0  350.9  330.1  159.8
   19   93.3   79.4  336.2  326.7  166.7  155.4  350.1  332.2  312.3  141.2  120.4  310.1
   20  243.8  230.0  126.8  117.4  317.4  305.9  140.5  122.6  102.6  291.5  270.7  100.5
   21   34.3   20.6  277.5  268.0  108.0   96.4  291.0  272.9  252.9   81.8   61.0  250.8
   22  184.8  171.1   68.1   58.7  258.7  247.0   81.4   63.3   43.2  232.0  211.3   41.2
   23  335.3  321.7  218.7  209.4   49.3   37.5  231.8  213.6  193.5   22.3    1.6  191.5
   24  125.8  112.3    9.4    0.1  199.9  188.0   22.2    4.0  343.8  172.6  151.9  341.9
   25  276.3  262.8  160.0  150.7  350.6  338.6  172.7  154.3  134.1  322.9  302.3  132.2
   26   66.7   53.4  310.7  301.4  141.2  129.1  323.1  304.6  284.4  113.2   92.6  282.6
   27  217.2  204.0  101.3   92.1  291.8  279.6  113.5   95.0   74.7  263.5  242.9   72.9
   28    7.7  354.6  252.0  242.8   82.5   70.1  263.9  245.3  225.0   53.8   33.2  223.3
   29  158.2          42.6   33.5  233.1  220.6   54.3   35.6   15.3  204.1  183.5   13.7
   30  308.8         193.3  184.1   23.7   11.1  204.7  186.0  165.6  354.4  333.8  164.0
   31   99.3         343.9         174.3         355.1  336.3         144.7         314.4