Improve: 1991_BA epoch = 2461000.500000000 TDB 2025-11-21 00:00:00.000000 number of observations before/after epoch: 7/0 number of iterations: 5 ====================================================================================================================== Iteration: 1 { In_coords Corrections Errors In_elements El_errors 1 -0.585572560 -0.134E-07 NaN | e 0.670577100 0.15027E-04 2 0.612766677 -0.534E-07 NaN | a 2.157538680 NaN 3 0.274250886 -0.454E-07 NaN | i 2.125643370 0.59987E-03 4 -0.009800749 0.743E-09 NaN | node 117.318107650 0.52181E-03 5 -0.019309542 -0.117E-08 NaN | peri 74.029967276 0.43966E-02 6 -0.007634148 -0.567E-10 NaN | M 349.671095582 NaN | tp = 2025-12-24.211468 Matrix of Correlation: 1 2 3 4 5 6 1 -1.00 2 -1.01 -1.00 3 -1.01 -1.00 -1.00 4 1.05 1.03 1.03 -1.00 5 -1.04 -1.02 -1.02 1.00 -1.00 6 -1.01 -1.00 -1.00 1.00 -1.00 -1.00 Root mean squared error: 0.49866 Optical RMSE: 0.49866(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 14/14 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 01 18.22620 0.250 A 08 07 56.0 +12 27 03 0.989 0.005 5.799704 7.424686 0.191937 -0.497961 691 2 1991 01 18.30358 0.250 A 08 15 14.8 +11 19 52 0.988 0.004 7.513746 8.879793 -0.385891 0.493321 691 3 1991 01 18.31493 0.250 A 08 16 31.5 +11 07 46 0.988 0.004 8.739680 8.601614 0.447187 0.145568 691 4 1991 01 18.32672 0.250 A 08 17 55.4 +10 54 28 0.988 0.004 9.180096 8.761291 0.460881 0.232058 691 5 1991 01 18.35716 0.250 A 08 21 54.7 +10 16 09 0.988 0.004 9.301482 8.457763 -0.618154 -0.266374 691 6 1991 01 18.36578 0.250 A 08 23 09.3 +10 04 07 0.988 0.004 9.904487 8.986086 -0.384036 0.204735 691 7 1991 01 18.41914 0.250 A 08 32 16.2 +08 34 57 0.987 0.003 13.242456 8.878431 0.315953 -0.287173 691 } }