%           mjd      real      imag     sigma  (all in microas)
1979.6  44090.0   -206.93   -190.44    141.88
1980.6  44455.2   -227.80   -164.76    114.24
1981.6  44820.5    -45.12    -45.10     53.94
1982.6  45185.7   -162.66    -62.31     32.97
1983.6  45551.0   -232.96   -178.95     25.57
1984.6  45916.2   -265.31   -168.21     20.02
1985.6  46281.5   -267.09   -132.49     16.82
1986.6  46646.7   -241.80   -125.80     15.65
1987.6  47012.0   -206.51    -76.11     15.76
1988.6  47377.2   -192.22    -43.61     13.56
1989.6  47742.5   -168.09    -21.70     11.77
1990.6  48107.7   -158.52      6.00      9.72
1991.6  48473.0   -131.92     20.47     21.72
1992.6  48838.2   -120.65     17.00     19.91
1993.6  49203.5   -116.75     24.61     17.89
1994.6  49568.7   -119.89     27.14     17.07
1995.6  49934.0   -108.50     20.45     17.02
1996.6  50299.2    -93.75     12.07     17.03
1997.6  50664.5    -69.14     -6.12     17.64
1998.6  51029.7    -39.81    -42.14      5.93
1999.6  51395.0     -6.40    -54.71      5.84
2000.6  51760.2     35.65    -57.83      5.75
2001.6  52125.5     58.45    -61.10      6.44
2002.6  52490.7     88.81    -57.69      5.69
2003.6  52856.0    108.33    -44.21      5.69
2004.6  53221.2    129.61    -10.95      5.85
2005.6  53586.5    145.66     34.31      5.60
2006.6  53951.7    143.08     63.81      5.59
2007.6  54317.0    132.20     93.94      7.20
2008.6  54682.2    125.50    148.08      7.40
2009.6  55047.5    122.17    187.74      7.30
2010.6  55412.7    129.71    195.60      7.07
2011.6  55778.0    130.02    192.43      6.01
2012.6  56143.2    117.59    172.52      5.63
2013.6  56508.5    116.01    163.85      5.41
2014.6  56873.7    123.72    170.81      3.93
2015.6  57239.0    130.32    164.23      3.04
2016.6  57604.2    130.69    150.10      3.21
2017.6  57969.5    117.55    136.28      3.23
2018.6  58334.7     87.01    120.15      3.53
2019.6  58700.0     69.87    107.63      7.79
2020.6  59065.2     69.80     99.18      8.18
2021.6  59430.5     61.96     67.64      9.61
2022.6  59795.7     41.02     42.71     10.45
2023.6  60161.0     17.83     19.66     12.24
2024.6  60526.2     13.60     19.84     14.56
2025.6  60891.5      5.26     11.77     18.99