SLR satellites are listed in order of highest priority to enable best coverage by the ILRS network.
The table below shows the number of normal points submitted to the EDC
data centre by the ILRS network over the last 10 days.
A priority is assigned to each satellite depending on its requirements for tracking.
A priority setting of 1 is twice the priority of a setting of 2 which is twice as high in priority as a setting of 3.
A weighting is applied according to the number of Normal Points collected in the previous 10 days with the most recent data having a higher weighting, reducing its priority.
This weighting is scaled by the satellite normal point bin length.
The satellites are tabled in decreasing order of their immediate priority for tracking. This table is updated every hour.
Click
here to see a Herstmonceux only dynamic priority table
Updated: Wed 10 Dec 16:58:32 UTC 2025
Satellite Days: 10 9 8 7 6 5 4 3 2 1 -30 TotalNP p Score
1807001 Icesat2 23 55 28 0 0 52 96 0 48 18 791 320 2 34931
1306703 Swarmc 27 22 34 18 67 44 47 25 0 31 785 315 2 36425
1306702 Swarma 22 36 42 19 80 44 49 14 3 28 842 337 2 40542
1804702 Gracefo2 36 81 141 80 57 67 33 50 108 56 1884 709 2 82044
1804701 Gracefo1 50 102 129 156 103 73 78 24 76 59 2058 850 2 104458
1306701 Swarmb 35 25 150 101 148 175 191 141 110 119 2333 1195 2 117753
0702601 Terrasarx 38 109 80 105 174 167 112 109 106 87 1886 1087 3 229446
1003001 Tandemx 88 67 125 125 181 117 105 185 130 171 2168 1294 3 259568
1803901 Sentinel3b 29 135 132 46 53 71 135 44 126 66 1596 837 2 274356
1601101 Sentinel3a 25 126 123 81 124 103 90 76 117 32 1593 897 2 304473
1802001 Paz 6 281 142 120 154 140 117 172 247 89 3165 1468 3 313405
1001301 Cryosat2 42 99 212 115 56 101 173 56 134 51 2780 1039 2 352700
9804305 Westpac 9 59 27 15 32 17 31 37 41 31 894 299 4 376974
1300901 Saral 99 258 118 129 138 160 129 186 140 153 2694 1510 2 500334
2217301 Swot 192 184 150 192 114 129 152 126 173 158 3556 1570 2 539896
8900103 Etalon1 4 18 10 9 10 4 7 22 9 2 287 95 2 647087
8903903 Etalon2 9 23 14 6 6 4 24 8 14 12 321 120 2 800721
2008601 Sentinel6a 379 408 209 201 224 258 261 279 532 284 8397 3035 2 992637
1600201 Jason3 356 613 293 214 201 170 196 250 449 263 6718 3005 2 1066918
1200601 Lares 132 257 182 140 107 173 172 161 132 61 3309 1517 2 1091949
2104301 Hy2d 95 134 95 76 19 57 149 102 147 48 2520 922 3 1224360
6503201 Beaconc 3 210 144 82 96 37 139 130 103 64 3902 1008 4 1353422
1808101 Hy2b 84 177 94 69 87 94 127 133 97 63 2382 1025 3 1400142
0304206 Larets 29 57 72 27 72 50 58 82 94 18 1171 559 4 1409491
9207002 Lageos2 42 151 114 139 145 186 138 140 116 72 2695 1243 1 1620295
1602101 Compassi6b 0 2 2 4 7 2 8 6 11 0 98 42 5 1785698
2006601 Hy2c 64 201 150 135 153 157 226 174 151 124 2908 1535 3 1958668
7603901 Lageos1 100 286 202 143 138 173 213 172 141 117 3877 1685 1 2320117
9306102 Stella 56 142 94 113 88 105 152 94 106 59 1878 1009 4 2687478
1603002 Galileo210 0 7 12 5 4 2 17 0 13 7 189 67 5 3158589
1507901 Galileo209 0 8 0 14 14 0 10 18 0 2 179 66 5 3360179
7501001 Starlette 95 188 165 123 104 173 148 187 147 70 3941 1400 4 3761861
1706902 Beidou3m2 2 9 5 0 7 17 12 15 14 6 191 87 5 3792191
2208001 Lares2 58 248 136 159 123 149 167 131 140 59 3232 1370 2 3793312
1802901 Beidou3m9 1 10 19 0 4 2 13 17 14 7 188 87 5 4070588
1802902 Beidou3m10 0 13 18 0 4 10 14 19 11 5 197 94 5 4560197
1801802 Beidou3m3 0 6 31 7 2 8 0 18 11 10 194 93 5 4694594
1106002 Galileo102 4 18 7 15 12 0 25 21 0 5 328 107 5 5789128
1405002 Galileo202 10 21 23 6 11 2 10 21 11 10 287 125 5 6969887
8606101 Ajisai 187 443 324 278 339 334 441 356 239 144 5563 3085 4 8431003
