Improve: 1991_TU
 epoch = 2461000.500000000 TDB 2025-11-21 00:00:00.000000
 number of observations before/after epoch: 6/0
 number of iterations: 5
 
 
======================================================================================================================
 Iteration:  1 
{
          In_coords       Corrections      Errors                 In_elements        El_errors  
 1      -1.028186497       0.893E-05            NaN    |    e      0.326723682      0.47646E-03  
 2      -1.478510438      -0.753E-05            NaN    |    a      1.400837936              NaN  
 3      -0.458557979      -0.112E-05            NaN    |    i      7.554583493      0.96363E-02  
 4       0.008675678       0.219E-07            NaN    |   node  193.252323157              NaN  
 5      -0.005498875       0.513E-07            NaN    |   peri  222.095973361      0.20162E+00  
 6      -0.001313224       0.201E-07            NaN    |   M     182.147199933              NaN  | tp = 2025-01-18.591882 
 
 Matrix of Correlation:
     1     2     3     4     5     6     
 1  -1.00  
 2   1.01 -1.00  
 3   1.05 -1.02 -1.00  
 4  -1.02  1.05  1.13 -1.00  
 5  -1.00  1.02  1.07 -1.01 -1.00  
 6  -1.01  1.03  1.10 -1.00 -1.00 -1.00  
 
Root mean squared error:         3.54465
Optical RMSE:                    3.54465(ang-sec.) 
 
Number of loops/max_num in Least Squares on iter     1/10
Number of included/excluded equations on iter        0/0
Number of used/total equations                      12/12
 
 
number       time          weight  note2      RA/Delay       DEC/Doppler      r      ro      O-C_RA/Del   O-C_DEC/Dop    res_RA/Del  in_RA  res_DEC/Dop in_DEC Obs 
{
    1  1991 10 07.30980     0.250    A      01 07 42.12      +04 06 18.1    1.006   0.006    560.615985    338.816539      0.286169          -0.253578         691 
    2  1991 10 07.36094     0.250    A      01 12 40.00      +03 17 06.6    1.006   0.006    545.938148    389.951708     -0.680036           1.210794         691 
    3  1991 10 07.42489     0.250    A      01 19 13.61      +02 12 13.3    1.006   0.006    537.772941    430.315265     -2.049125           0.429941         691 
    4  1991 10 07.43235     0.250    A      01 20 01.54      +02 04 20.1    1.006   0.006    543.038037    431.598904      3.496661          -2.179282         691 
    5  1991 10 07.49265     0.250    A      01 26 41.36      +00 59 31.7    1.005   0.006    534.509246    460.039667     -5.462291          -0.664155         691 
    6  1991 10 07.49937     0.250    A      01 27 28.36      +00 52 03.4    1.005   0.006    544.685381    464.747595      4.423838           1.450832         691 
}
}