Improve: 2020_XC4 epoch = 2461000.500000000 TDB 2025-11-21 00:00:00.000000 number of observations before/after epoch: 73/0 number of iterations: 5 ====================================================================================================================== Iteration: 2 { In_coords Corrections Errors In_elements El_errors 1 1.073523517 0.178E-08 0.978E-04 | e 0.172530942 0.18644E-04 2 -0.215464641 0.178E-07 0.973E-03 | a 1.190696010 0.26532E-04 3 -0.231728457 0.819E-08 0.448E-03 | i 6.531025747 0.64643E-03 4 0.001687882 -0.261E-09 0.143E-04 | node 79.449688453 0.67461E-04 5 0.015217783 0.535E-10 0.292E-05 | peri 344.704424768 0.37853E-03 6 0.006771193 0.565E-10 0.308E-05 | M 299.638139304 0.46273E-01 | tp = 2026-02-08.571930 Matrix of Correlation: 1 2 3 4 5 6 1 1.00 2 1.00 1.00 3 1.00 1.00 1.00 4 -1.00 -1.00 -1.00 1.00 5 1.00 1.00 1.00 -1.00 1.00 6 1.00 1.00 1.00 -1.00 1.00 1.00 Root mean squared error: 0.40586 Optical RMSE: 0.40586(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 144/146 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 2020 12 09.107909 1.000 C 00 17 52.98 -19 52 03.5 0.988 0.020 0.118504 -0.383526 0.118504 -0.383529 G96 2 2020 12 09.113563 1.000 C 00 17 53.74 -19 50 04.5 0.988 0.020 -0.715477 -0.829090 -0.715477 -0.829093 G96 3 2020 12 09.119208 1.000 C 00 17 54.42 -19 48 07.6 0.988 0.020 0.480897 0.106254 0.480897 0.106251 G96 4 2020 12 09.197255 1.000 C 00 18 05.28 -19 20 26.1 0.988 0.020 0.490250 -0.343925 0.490250 -0.343928 I52 5 2020 12 09.197822 1.000 C 00 18 05.41 -19 20 14.5 0.988 0.020 0.270437 0.490457 0.270437 0.490454 I52 6 2020 12 09.198386 1.000 C 00 18 05.51 -19 20 01.5 0.988 0.020 -0.260560 -0.164789 -0.260560 -0.164792 I52 7 2020 12 09.198949 1.000 C 00 18 05.57 -19 19 50.1 0.988 0.020 0.447727 0.312976 0.447727 0.312974 I52 8 2020 12 10.215802 1.000 C 00 23 34.236 -12 50 55.56 0.989 0.019 0.696014 1.088473 0.696016 1.088472 F52 9 2020 12 10.227350 1.000 C 00 23 35.783 -12 46 09.62 0.989 0.019 -0.006770 0.118968 -0.006768 0.118967 F52 10 2020 12 10.238900 1.000 C 00 23 37.308 -12 41 23.42 0.989 0.019 -0.089430 -0.307835 -0.089428 -0.307836 F52 11 2020 12 10.250432 1.000 C 00 23 38.854 -12 36 37.10 0.989 0.019 -0.163716 -0.290555 -0.163714 -0.290556 F52 12 2020 12 12.225017 1.000 C 00 35 24.517 +02 47 57.85 0.990 0.017 0.057339 0.025995 0.057342 0.025997 F51 13 2020 12 12.249307 1.000 C 00 35 29.036 +03 00 32.94 0.990 0.017 -0.196681 -0.335441 -0.196678 -0.335439 F51 14 2020 12 12.729462 1.000 C 00 38 50.43 +07 10 14.7 0.991 0.016 -0.008796 -0.036583 -0.008793 -0.036581 L01 15 2020 12 12.729905 1.000 C 00 38 55.57 +07 09 41.8 0.991 0.016 -0.164880 0.351466 -0.164877 0.351468 J95 16 2020 12 12.730708 1.000 C 00 38 50.76 +07 10 55.1 0.991 0.016 -0.272741 -0.308930 -0.272738 -0.308928 L01 17 2020 12 12.731955 1.000 C 00 38 51.08 +07 11 35.5 0.991 0.016 -0.386672 -0.607340 -0.386669 -0.607337 L01 18 2020 12 12.732218 1.000 C 00 38 56.22 +07 10 56.5 0.991 0.016 -0.065234 0.047303 -0.065231 0.047305 J95 19 2020 12 12.733308 1.000 C 00 38 51.43 +07 12 18.7 0.991 0.016 -0.314505 -0.326073 -0.314502 -0.326071 L01 20 2020 12 12.734419 1.000 C 00 38 56.88 +07 12 06.9 0.991 0.016 -0.309293 0.634908 -0.309290 0.634910 J95 21 2020 12 12.734664 1.000 C 00 38 51.77 +07 13 02.1 0.991 0.016 -0.136534 -0.199387 -0.136531 -0.199385 L01 22 2020 12 12.736919 1.000 C 00 38 57.57 +07 13 28.0 0.991 0.016 -0.216939 -0.070153 -0.216936 -0.070151 J95 23 2020 12 12.740880 1.000 C 00 38 58.88 +07 16 47.9 0.991 0.016 -0.324211 -0.467632 -0.324208 -0.467630 B49 24 2020 12 12.743623 1.000 C 00 38 59.59 +07 18 15.5 0.991 0.016 -0.244687 0.308613 -0.244684 0.308615 B49 25 2020 12 12.746574 1.000 C 00 39 00.39 +07 19 50.4 0.991 0.016 -0.939530 0.750554 -0.939527 0.750556 B49 26 2020 12 12.747818 1.000 C 00 39 00.63 +07 20 32.0 0.991 0.016 -0.499132 -1.079559 -0.499129 -1.079557 B49 27 2020 12 12.76838 1.000 C 00 39 00.45 +07 31 00.6 0.991 0.016 0.553454 0.146936 0.553457 0.146939 595 28 2020 12 12.77208 1.000 C 00 39 01.38 +07 32 59.4 0.991 0.016 0.885559 0.128322 0.885562 0.128324 595 29 2020 12 12.77578 1.000 C 00 39 02.37 +07 34 59.2 0.991 0.016 0.031655 -0.495216 0.031658 -0.495214 595 30 2020 12 12.821111 1.000 C 00 39 20.52 +07 58 38.1 0.991 0.016 -0.364774 0.381256 -0.364771 0.381258 Z80 31 2020 12 12.832049 1.000 C 00 39 23.51 +08 04 30.2 0.991 0.016 0.240540 0.149292 0.240543 0.149294 Z80 32 2020 12 12.842986 1.000 C 00 39 26.55 +08 10 22.3 0.991 0.016 0.455444 -0.006697 0.455447 -0.006695 Z80 33 2020 12 14.167172 1.000 C 00 49 15.04 +20 17 36.9 0.992 0.016 0.016296 -0.348468 0.016298 -0.348465 I52 34 2020 12 14.168575 1.000 C 00 49 15.45 +20 18 21.7 0.992 0.016 0.233120 0.486847 0.233122 0.486850 I52 35 2020 12 14.170392 1.000 C 00 49 15.96 +20 19 21.2 0.992 0.016 0.385971 0.040900 0.385973 0.040903 I52 36 2020 12 14.170580 1.000 C 00 49 16.03 +20 19 27.0 0.992 0.016 0.272460 0.403920 0.272462 0.403923 I52 37 2020 12 15.799853 1.000 C 01 03 51.99 +34 34 41.9 0.993 0.017 0.345846 0.160944 0.345847 0.160945 Z99 38 2020 12 15.800886 1.000 C 01 03 52.43 +34 35 12.2 0.993 0.017 0.406353 0.582128 0.406354 0.582129 Z99 39 2020 12 15.802548 1.000 C 01 03 53.17 +34 36 01.5 0.993 0.017 0.027708 0.751970 0.027710 0.751972 Z99 40 2020 12 15.805225 1.000 C 01 03 54.27 +34 37 21.1 0.993 0.017 0.504814 0.612399 0.504815 0.612401 Z99 41 2020 12 16.112693 1.000 C 01 06 56.85 +37 10 02.0 0.993 0.017 -0.101221 -0.039379 -0.101220 -0.039378 I52 42 2020 12 16.112885 1.000 C 01 06 56.94 +37 10 07.5 0.993 0.017 -0.304556 0.005003 -0.304555 0.005005 I52 43 2020 12 16.113072 1.000 C 01 06 56.96 +37 10 12.5 0.993 0.017 0.342035 0.307816 0.342036 0.307817 I52 44 2020 12 16.113260 1.000 C 01 06 57.05 +37 10 18.3 0.993 0.017 0.072268 -0.058824 0.072269 -0.058823 I52 45 2020 12 16.72788 1.000 C 01 13 29.96 +41 50 54.6 0.994 0.018 -0.752289 -0.557558 -0.752288 -0.557557 K87 46 2020 12 16.74456 1.000 C 01 13 37.90 +41 58 24.2 0.994 0.018 0.054149 -0.570083 0.054150 -0.570083 K87 47 2020 12 16.75409 1.000 C 01 13 42.52 +42 02 39.5 0.994 0.018 -0.737856 -0.370826 -0.737856 -0.370826 K87 48 2020 12 17.186573 1.000 C 01 18 10.66 +45 10 02.1 0.994 0.019 0.039446 -0.231396 0.039446 -0.231396 I52 49 2020 12 17.186766 1.000 C 01 18 10.76 +45 10 07.1 0.994 0.019 -0.072237 -0.557286 -0.072236 -0.557285 I52 50 2020 12 17.186955 1.000 C 01 18 10.83 +45 10 11.4 0.994 0.019 0.120442 -0.283716 0.120442 -0.283716 I52 51 2020 12 17.187148 1.000 C 01 18 10.93 +45 10 16.0 0.994 0.019 0.013611 -0.210598 0.013611 -0.210598 I52 52 2020 12 17.285741 1.000 C 01 19 24.17 +45 52 37.4 0.995 0.019 0.288480 0.983908 0.288480 0.983908 T05 53 2020 12 17.288953 1.000 C 01 19 25.59 +45 53 55.1 0.995 0.019 0.059564 0.572379 0.059564 0.572379 T05 54 2020 12 17.295818 1.000 C 01 19 28.62 +45 56 39.4 0.995 0.019 -0.207881 0.915538 -0.207880 0.915538 T05 55 2020 12 17.299021 1.000 C 01 19 30.08 +45 57 58.0 0.995 0.019 -0.726923 -1.120166 -0.726923 -1.120166 T05 56 2020 12 17.309547 1.000 C 01 19 34.63 +46 02 07.8 0.995 0.019 0.585725 -0.425671 0.585726 -0.425671 T05 57 2020 12 17.322366 1.000 C 01 19 40.65 +46 07 11.5 0.995 0.019 -1.752829 -1.359271 -1.752829 F -1.359270 F T05 58 2020 12 23.024796 1.000 C 02 53 35.12 +70 18 47.1 1.001 0.029 0.133310 -0.178240 0.133310 -0.178244 H21 59 2020 12 23.030426 1.000 C 02 53 41.00 +70 19 36.6 1.001 0.029 0.172827 -0.002895 0.172827 -0.002899 H21 60 2020 12 23.034601 1.000 C 02 53 45.43 +70 20 13.0 1.001 0.029 -0.222784 -0.009699 -0.222784 -0.009704 H21 61 2020 12 23.088087 1.000 C 02 54 59.76 +70 27 45.3 1.001 0.030 -0.179094 0.276266 -0.179094 0.276262 I52 62 2020 12 23.088507 1.000 C 02 55 00.18 +70 27 49.0 1.001 0.030 -0.112163 0.309349 -0.112163 0.309344 I52 63 2020 12 23.091524 1.000 C 02 55 03.32 +70 28 16.1 1.001 0.030 0.149220 -0.283165 0.149220 -0.283170 I52 64 2020 12 23.091944 1.000 C 02 55 03.79 +70 28 19.3 1.001 0.030 -0.266015 0.013871 -0.266016 0.013866 I52 65 2020 12 24.21530 1.000 C 03 19 56.10 +72 40 48.5 1.002 0.032 0.143108 -0.037388 0.143108 -0.037393 695 66 2020 12 24.21866 1.000 C 03 19 59.82 +72 41 08.3 1.002 0.032 -0.072392 -0.183843 -0.072392 -0.183848 695 67 2020 12 24.22202 1.000 C 03 20 03.47 +72 41 28.3 1.002 0.032 0.168762 -0.354539 0.168761 -0.354544 695 68 2021 01 02.22179 1.000 C 06 39 37.61 +76 57 14.6 1.016 0.054 0.227294 -0.095508 0.227293 -0.095512 695 69 2021 01 02.22583 1.000 C 06 39 40.32 +76 57 13.4 1.016 0.054 0.272458 0.192006 0.272458 0.192002 695 70 2021 01 02.22987 1.000 C 06 39 43.13 +76 57 12.1 1.016 0.054 0.275290 0.096103 0.275289 0.096098 695 71 2021 01 06.45520 1.000 C 07 29 03.792 +75 45 09.75 1.023 0.065 0.086048 0.017588 0.086047 0.017584 F51 72 2021 01 06.46753 1.000 C 07 29 07.644 +75 44 53.57 1.023 0.065 -0.225567 -0.053898 -0.225568 -0.053902 F51 73 2021 01 06.47984 1.000 C 07 29 11.419 +75 44 37.36 1.024 0.065 0.109381 0.252389 0.109380 0.252384 F51 } }