Improve: 2013_XU23
 epoch = 2461000.500000000 TDB 2025-11-21 00:00:00.000000
 number of observations before/after epoch: 6/0
 number of iterations: 5
 
 
======================================================================================================================
 Iteration:  2 
{
          In_coords       Corrections      Errors                 In_elements        El_errors  
 1       0.676239256       0.108E-03            NaN    |    e      0.307284198      0.34284E-02  
 2      -1.523397443       0.927E-04            NaN    |    a      1.638729015              NaN  
 3      -0.817435247       0.229E-04            NaN    |    i      9.864415034      0.23239E+00  
 4       0.009137344      -0.352E-06            NaN    |   node   84.849460586      0.59229E-01  
 5       0.007237124       0.874E-06            NaN    |   peri  337.680540976      0.12619E+01  
 6       0.001536264       0.479E-06            NaN    |   M     260.263898390              NaN  | tp = 2024-05-16.049993 
 
 Matrix of Correlation:
     1     2     3     4     5     6     
 1  -1.00  
 2  -1.04 -1.00  
 3  -1.56 -1.20 -1.00  
 4   1.02  1.19  2.06 -1.00  
 5  -1.04 -1.00 -1.34  1.09 -1.00  
 6  -1.10 -1.00 -1.22  1.17 -1.00 -1.00  
 
Root mean squared error:         0.10520
Optical RMSE:                    0.10520(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  2013 12 11.56918     1.000    C      07 02 08.889     +20 56 04.74   1.153   0.182     -0.728668     -0.202413     -0.042881          -0.012359         F51 
    2  2013 12 11.58431     1.000    C      07 02 09.345     +20 56 56.72   1.153   0.183     -0.613613     -0.152832      0.072317           0.036781         F51 
    3  2013 12 11.59945     1.000    C      07 02 09.798     +20 57 48.53   1.153   0.183     -0.715200     -0.214203     -0.029130          -0.025030         F51 
    4  2013 12 12.50392     1.000    C      07 02 51.28      +21 49 57.6    1.154   0.183     -0.721650      0.004558     -0.029366           0.165933         291 
    5  2013 12 12.50611     1.000    C      07 02 51.35      +21 50 04.7    1.154   0.183     -0.667335     -0.326599      0.024966          -0.165288         291 
    6  2013 12 12.50830     1.000    C      07 02 51.42      +21 50 12.3    1.154   0.183     -0.688221     -0.161283      0.004095          -0.000037         291 
}
}