Consolidated Prediction Format Development Status at NASA SLR

















- Slides: 17
Consolidated Prediction Format Development Status at NASA SLR Bart Clarke HTSI 1 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Generation and Distribution • HTSI currently generating predictions in the CPF for all 21 satellites for which performs orbit determination – CPF predictions distributed via email • MLRS receives all HTSI CPF satellite files • Zimmerwald receives HTSI BEC and Larets CPF files – Both stations have tracked successfully using the CPF predictions • CPF predictions are generated on new HTSI prediction platform. 2 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
NASA Network Implementation • HTSI will begin implementation on NASA systems after completion of TLRS-4 project – NASA systems will be a more complex software modification than SLR 2000 due to current use of polynomials for generated pointing angles • SLR 2000 implementation has begun – Implementation will be less complex than Moblas and TLRS systems due to current use of mesh point file for generating pointing angles 3 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation • Generic Normal Point Processor (GNP 2. 5. 3) was modified to generate normal points using both an integrated CPF and an interpolated CPF • Three techniques (TIV, integrated CPF, interpolated CPF) were tested using 44 passes (53 pass segments) • “First look” at results indicate combination of integrated CPF and interpolated CPF appear to be adequate, but may have room for improvement – Differential correction of state vector eliminated in the CPF interpolation – State vector not tuned for the force model in the CPF integration 4 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation • TIV vs Integrated CPF and Interpolated CPF, 44 passes (53 pass segments) tested TIV vs. Pass Segments with Similar Performance TIV Performed Better CPF Performed Better Integrated CPF 47 5 1 Interpolated CPF 45 5 3 Both Integrated 50 and Interpolated CPF 0 3 5 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation Satellite Station Date Time Obs. Acce pt Bins Rej ect Bins Reje cted Obs Fit RMS (mm) Skew Kurtosi s Prediction Type (0=IRV, 1=Integrated CPF, 2=Interpolated CPF JASON 71100412 6/1/2005 8: 54 267 2 16 252 5. 001 0. 5646 4. 38 0 JASON 71100412 6/1/2005 8: 54 267 2 16 252 4. 99 0. 5734 4. 39 1 JASON 71100412 6/1/2005 8: 54 267 2 16 247 6. 015 0. 2961 2. 52 2 TOPEX 71100412 6/1/2005 9: 03 161 10 61. 99 -0. 5742 2. 52 0 TOPEX 71100412 6/1/2005 9: 03 161 10 62. 72 -0. 5309 2. 55 1 TOPEX 71100412 6/1/2005 9: 03 161 10 60. 02 -0. 5348 2. 63 2 LAGEOS-2 71100412 6/1/2005 9: 59 123 4 0 4 12. 94 0. 0932 2. 37 0 LAGEOS-2 71100412 6/1/2005 9: 59 123 1 3 109 9. 614 -0. 3323 3. 28 1 LAGEOS-2 71100412 6/1/2005 9: 59 123 4 0 4 13. 15 0. 087 2. 4 2 STARLETTE 70900513 6/1/2005 10: 09 984 11 0 15 7. 801 0. 1669 3 0 STARLETTE 70900513 6/1/2005 10: 09 984 11 0 14 7. 832 0. 1702 3. 01 1 STARLETTE 70900513 6/1/2005 10: 09 984 11 0 14 7. 831 0. 1704 3. 01 2 STELLA 70900513 6/1/2005 10: 20 12 0 30 8. 094 0. 1396 2. 91 0 STELLA 70900513 6/1/2005 10: 20 12 0 29 8. 136 0. 15 2. 93 1 STELLA 70900513 6/1/2005 10: 20 12 0 28 8. 186 0. 1897 2. 98 2 6 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation Satellite Station Date Time Obs. Acce pt Bins Rej ect Bins Reje cted Obs Fit RMS (mm) Skew Kurtosi s Prediction Type (0=IRV, 1=Integrated CPF, 2=Interpolated CPF GLONASS-89 70900513 6/1/2005 10: 34 3394 17 0 61 24. 33 0. 1264 2. 92 0 GLONASS-89 70900513 6/1/2005 10: 34 3394 17 0 61 24. 33 0. 1253 2. 92 1 GLONASS-89 70900513 6/1/2005 10: 34 3394 17 0 60 24. 36 0. 1287 2. 92 2 TOPEX 75010602 6/1/2005 11: 50 2007 3 33 1894 14. 74 0. 0217 2. 45 0 TOPEX 75010602 6/1/2005 11: 50 2007 3 33 1921 14. 94 0. 1449 2. 53 1 rejected 2 STARLETTE 70900513 6/1/2005 11: 59 275 5 0 0 8. 021 0. 2724 3. 01 0 STARLETTE 70900513 6/1/2005 11: 59 275 5 0 0 8. 019 0. 2767 3. 02 1 STARLETTE 70900513 6/1/2005 11: 59 275 5 0 0 8. 024 0. 2682 3. 01 2 STARLETTE 70900513 6/1/2005 12: 06 301 4 0 4 8. 379 0. 1634 3. 01 0 STARLETTE 70900513 6/1/2005 12: 06 301 4 0 5 8. 274 0. 096 2. 91 1 STARLETTE 70900513 6/1/2005 12: 06 301 4 0 4 8. 378 0. 1643 3. 01 2 LAGEOS-2 75010602 6/1/2005 12: 08 39 2 0 2 10. 42 -0. 2105 3. 04 0 LAGEOS-2 75010602 6/1/2005 12: 08 39 2 0 2 10. 4 -0. 2309 3. 1 1 LAGEOS-2 75010602 6/1/2005 12: 08 39 2 0 2 10. 42 -0. 2124 3. 05 2 7 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation Satellite Station Date Time Obs. Acce pt Bins Rej ect Bins Reje cted Obs Fit RMS (mm) Skew Kurtosi s Prediction Type (0=IRV, 1=Integrated CPF, 2=Interpolated CPF STARLETTE 71100412 6/1/2005 12: 44 53 5 0 4 25. 22 -0. 0621 3. 37 0 STARLETTE 71100412 6/1/2005 12: 44 53 5 0 4 25. 22 -0. 0621 3. 37 1 STARLETTE 71100412 6/1/2005 12: 44 53 5 0 4 25. 23 -0. 062 3. 37 2 JASON 70900513 6/1/2005 14: 09 42 9 0 0 6. 264 0. 3799 2. 45 0 JASON 70900513 6/1/2005 14: 09 42 9 0 0 6. 264 0. 3819 2. 45 1 JASON 70900513 6/1/2005 14: 09 42 9 0 0 6. 26 0. 3743 2. 44 2 TOPEX 70900513 6/1/2005 14: 18 788 17 0 11 11. 47 0. 2242 2. 99 0 TOPEX 70900513 6/1/2005 14: 18 788 17 0 11 11. 47 0. 2224 2. 99 1 TOPEX 70900513 6/1/2005 14: 18 788 17 0 10 11. 52 0. 2325 3. 01 2 ENVISAT 70900513 6/1/2005 14: 23 636 19 0 14 7. 24 0. 2834 3. 2 0 ENVISAT 70900513 6/1/2005 14: 23 636 19 0 14 7. 241 0. 2818 3. 2 1 ENVISAT 70900513 6/1/2005 14: 23 636 19 0 14 7. 281 0. 2802 3. 15 2 ERS-2 70900513 6/1/2005 14: 53 8 1 0 0 3. 167 0. 7126 2. 22 0 ERS-2 70900513 6/1/2005 14: 53 8 1 0 0 3. 159 0. 6508 2. 04 1 ERS-2 70900513 6/1/2005 14: 53 8 1 0 0 3. 164 0. 699 2. 18 2 8 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation Satellite Station STELLA rejected 75010602 STELLA 75010602 Date Time 6/1/2005 15: 26 Obs. Acce pt Bins Rej ect Bins Reje cted Obs Fit RMS (mm) 2 6 63 7. 791 110 2 6 63 Skew Kurtosi s 0. 373 14. 38 3. 61 0 0. 9056 Prediction Type (0=IRV, 1=Integrated CPF, 2=Interpolated CPF 1 3. 44 2 JASON 70900513 6/1/2005 16: 06 28 8 0 0 6. 154 -0. 2028 3. 26 0 JASON 70900513 6/1/2005 16: 06 28 8 0 0 6. 156 -0. 2111 3. 27 1 JASON 70900513 6/1/2005 16: 06 28 8 0 0 6. 583 -0. 2364 2. 84 2 TOPEX 70900513 6/1/2005 16: 13 973 30 0 22 11. 5 0. 3073 2. 91 0 TOPEX 70900513 6/1/2005 16: 13 973 30 0 22 11. 5 0. 3097 2. 91 1 TOPEX 70900513 6/1/2005 16: 13 973 29 1 20 11. 6 0. 3422 2. 95 2 GLONASS-87 75010602 6/1/2005 17: 30 973 2 0 18 10. 56 0. 0951 2. 92 0 GLONASS-87 75010602 6/1/2005 17: 30 973 2 0 18 10. 56 0. 095 2. 92 1 GLONASS-87 75010602 6/1/2005 17: 30 973 2 0 36 11. 93 0. 1522 2. 63 2 GLONASS-87 75010602 6/1/2005 17: 37 1091 2 2 538 14. 07 0. 0691 2. 34 0 GLONASS-87 75010602 6/1/2005 17: 37 1091 2 2 367 13. 07 0. 0243 2. 53 1 GLONASS-87 75010602 6/1/2005 17: 37 1091 2 2 661 13. 09 0. 2126 2. 76 2 9 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation Satellite Station Date Time Obs. Acce pt Bins Rej ect Bins Reje cted Obs Fit RMS (mm) Skew Kurtosi s Prediction Type (0=IRV, 1=Integrated CPF, 2=Interpolated CPF GLONASS-87 75010602 6/1/2005 17: 37 1091 2 2 538 14. 07 0. 0691 2. 34 0 GLONASS-87 75010602 6/1/2005 17: 37 1091 2 2 367 13. 07 0. 0243 2. 53 1 GLONASS-87 75010602 6/1/2005 17: 37 1091 2 2 661 13. 09 0. 2126 2. 76 2 GLONASS-87 75010602 6/1/2005 17: 53 1355 3 1 669 14. 38 0. 1383 2. 44 0 GLONASS-87 75010602 6/1/2005 17: 53 1355 3 1 294 12. 83 0. 2616 2. 7 1 GLONASS-87 75010602 6/1/2005 17: 53 1355 2 2 863 15. 06 0. 1552 2. 62 2 GLONASS-87 75010602 6/1/2005 18: 08 109 1 0 0 14. 97 0. 3264 2. 44 0 GLONASS-87 75010602 6/1/2005 18: 08 109 1 0 0 14. 97 0. 3264 2. 44 1 GLONASS-87 75010602 6/1/2005 18: 08 109 1 0 0 14. 98 0. 333 2. 44 2 GLONASS-87 75010602 6/1/2005 18: 24 1430 3 3 829 19. 24 -0. 0627 2. 51 0 GLONASS-87 75010602 6/1/2005 18: 24 1430 2 4 1033 17. 96 0. 1178 2. 4 1 GLONASS-87 75010602 6/1/2005 18: 24 1430 6 0 17 17. 5 0. 2724 2. 71 2 GLONASS-87 75010602 6/1/2005 18: 46 565 2 0 11 18. 42 0. 2367 2. 75 0 GLONASS-87 75010602 6/1/2005 18: 46 565 2 0 14 18. 28 0. 2019 2. 7 1 GLONASS-87 75010602 6/1/2005 18: 46 565 2 0 6 18. 86 0. 2865 2. 84 2 10 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation Satellite Station Date Time Obs. Acce pt Bins Rej ect Bins Reje cted Obs Fit RMS (mm) Skew Kurtosi s Prediction Type (0=IRV, 1=Integrated CPF, 2=Interpolated CPF GLONASS-87 75010602 6/1/2005 18: 53 1013 4 2 482 23. 36 0. 4778 2. 73 0 GLONASS-87 75010602 6/1/2005 18: 53 1013 4 2 482 22. 24 0. 4328 2. 61 1 GLONASS-87 75010602 6/1/2005 18: 53 1013 4 2 474 21. 99 0. 347 2. 55 2 LAGEOS-2 75010602 6/2/2005 9: 52 595 5 1 22 110 0. 0062 2. 47 0 LAGEOS-2 75010602 6/2/2005 9: 52 595 5 1 22 110 0. 0062 2. 47 1 LAGEOS-2 75010602 6/2/2005 9: 52 595 5 1 87 123. 4 -0. 424 2. 82 2 STELLA 70900513 6/2/2005 9: 54 1194 14 0 50 9. 911 0. 3744 2. 97 0 STELLA 70900513 6/2/2005 9: 54 1194 14 0 49 9. 929 0. 4022 3. 02 1 STELLA 70900513 6/2/2005 9: 54 1194 14 0 56 9. 786 0. 3392 2. 95 2 LAGEOS-2 rejected 75010602 LAGEOS-2 75010602 6/2/2005 10: 02 428 3 428 41. 63 -0. 3873 12. 65 -0. 0813 1 4 205 0 119 2. 31 0 1 2. 77 2 TOPEX 75010602 6/2/2005 10: 16 1710 7 24 1353 80. 78 0. 0077 2. 25 0 TOPEX 75010602 6/2/2005 10: 16 1710 7 24 1353 80. 78 0. 0077 2. 25 1 TOPEX 75010602 6/2/2005 10: 16 1710 7 24 1353 80. 45 0. 0125 2. 46 2 11 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation Satellite Station Date Time Obs. Acce pt Bins Rej ect Bins Reje cted Obs Fit RMS (mm) Skew Kurtosi s Prediction Type (0=IRV, 1=Integrated CPF, 2=Interpolated CPF STARLETTE 70900513 6/2/2005 10: 28 1674 21 0 57 8. 277 0. 2809 3. 02 0 STARLETTE 70900513 6/2/2005 10: 28 1674 21 0 61 8. 192 0. 2489 2. 96 1 STARLETTE 70900513 6/2/2005 10: 28 1674 21 0 52 8. 387 0. 3033 3. 1 2 GLONASS-89 70900513 6/2/2005 10: 50 1427 3 0 17 13. 86 -0. 0613 2. 98 0 GLONASS-89 70900513 6/2/2005 10: 50 1427 3 0 17 13. 85 -0. 0617 2. 98 1 GLONASS-89 70900513 6/2/2005 10: 50 1427 3 0 16 13. 89 -0. 049 3. 01 2 JASON 71240802 6/2/2005 10: 55 48 3 6 32 6. 569 -0. 0325 2. 31 0 JASON 71240802 6/2/2005 10: 55 48 3 6 32 6. 569 -0. 0325 2. 31 1 JASON 71240802 6/2/2005 10: 55 48 3 6 32 6. 569 -0. 0325 2. 31 2 6/2/2005 11: 01 TOPEX rejected 71240802 TOPEX 71240802 447 6 447 4 6 194 4 16. 08 266 0. 2249 11. 99 3. 11 0 0. 0753 1 2. 92 2 LAGEOS-1 70900513 6/2/2005 11: 10 1258 10 0 8 8. 475 0. 159 2. 85 0 LAGEOS-1 70900513 6/2/2005 11: 10 1258 10 0 8 8. 475 0. 1592 2. 85 1 LAGEOS-1 70900513 6/2/2005 11: 10 1258 10 0 7 8. 481 0. 1642 2. 88 2 12 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation Satellite Station Date Time Obs. Acce pt Bins Rej ect Bins Reje cted Obs Fit RMS (mm) Skew Kurtosi s Prediction Type (0=IRV, 1=Integrated CPF, 2=Interpolated CPF GLONASS-89 70900513 6/2/2005 11: 49 657 4 0 3 18. 64 0. 0443 2. 74 0 GLONASS-89 70900513 6/2/2005 11: 49 657 4 0 3 18. 64 0. 0442 2. 74 1 GLONASS-89 70900513 6/2/2005 11: 49 657 4 0 2 18. 74 0. 0587 2. 77 2 LAGEOS-1 75010602 6/2/2005 11: 56 1082 3 2 914 19. 08 -0. 2922 3. 04 0 LAGEOS-1 75010602 6/2/2005 11: 56 1082 3 2 752 10. 18 0. 026 2. 73 1 LAGEOS-1 75010602 6/2/2005 11: 56 1082 2 3 930 10. 36 -0. 0073 3. 31 2 ETALON-1 70900513 6/2/2005 11: 31 331 4 0 4 21. 62 0. 3107 2. 84 0 ETALON-1 70900513 6/2/2005 11: 31 331 4 0 4 21. 64 0. 3088 2. 85 1 ETALON-1 70900513 6/2/2005 11: 31 331 4 0 4 21. 65 0. 3066 2. 85 2 ETALON-1 70900513 6/2/2005 12: 03 205 4 0 4 23. 66 0. 4565 2. 73 0 ETALON-1 70900513 6/2/2005 12: 03 205 4 0 4 23. 66 0. 4565 2. 73 1 ETALON-1 70900513 6/2/2005 12: 03 205 4 0 4 23. 66 0. 4484 2. 74 2 TOPEX 75010602 6/2/2005 12: 14 1071 2 23 1031 11. 93 -0. 3838 2. 31 0 TOPEX 75010602 6/2/2005 12: 14 1071 2 23 1042 10. 91 -0. 1232 2. 81 1 TOPEX 75010602 6/2/2005 12: 14 1071 2 23 1040 11. 25 0. 3048 2. 99 2 13 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation Satellite Station Date Time Obs. Acce pt Bins Rej ect Bins Reje cted Obs Fit RMS (mm) Skew Kurtosi s Prediction Type (0=IRV, 1=Integrated CPF, 2=Interpolated CPF STARLETTE 70900513 6/2/2005 12: 19 667 11 0 8 7. 887 0. 3123 2. 92 0 STARLETTE 70900513 6/2/2005 12: 19 667 11 0 4 8. 073 0. 2857 3. 08 1 STARLETTE 70900513 6/2/2005 12: 19 667 11 0 3 8. 119 0. 2546 3. 13 2 AJISAI 70900513 6/2/2005 12: 54 2970 27 0 44 11. 96 0. 1543 2. 9 0 AJISAI 70900513 6/2/2005 12: 54 2970 27 0 49 11. 88 0. 1263 2. 84 1 AJISAI 70900513 6/2/2005 12: 54 2970 27 0 45 11. 95 0. 1468 2. 89 2 STARLETTE 70900513 6/2/2005 12: 19 667 11 0 8 7. 887 0. 3123 2. 92 0 STARLETTE 70900513 6/2/2005 12: 19 667 11 0 4 8. 073 0. 2857 3. 08 1 STARLETTE 70900513 6/2/2005 12: 19 667 11 0 3 8. 119 0. 2546 3. 13 2 ETALON-1 70900513 6/2/2005 13: 08 831 4 0 11 19. 57 0. 1865 2. 7 0 ETALON-1 70900513 6/2/2005 13: 08 831 4 0 11 19. 57 0. 1865 2. 7 1 ETALON-1 70900513 6/2/2005 13: 08 831 4 0 6 20. 05 0. 2756 2. 88 2 GLONASS-84 70900513 6/2/2005 13: 22 78 3 0 2 20. 35 0. 3807 2. 26 0 GLONASS-84 70900513 6/2/2005 13: 22 78 3 0 1 21. 22 0. 4059 2. 45 1 GLONASS-84 70900513 6/2/2005 13: 22 78 3 0 1 21. 2 0. 4329 2. 46 2 14 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation Satellite Station Date Time Obs. Acce pt Bins Rej ect Bins Reje cted Obs Fit RMS (mm) Skew Kurtosi s Prediction Type (0=IRV, 1=Integrated CPF, 2=Interpolated CPF GFO-1 75010602 6/2/2005 13: 45 297 2 11 254 11. 34 -0. 3037 3. 14 0 GFO-1 75010602 6/2/2005 13: 45 297 2 11 261 22. 35 0. 492 3. 1 1 GFO-1 75010602 6/2/2005 13: 45 297 2 11 258 11. 16 -0. 3338 2. 86 2 STELLA 75010602 6/2/2005 14: 58 291 1 8 260 8. 669 0. 0699 3. 64 0 STELLA 75010602 6/2/2005 14: 58 291 1 8 260 8. 671 0. 0703 3. 64 1 STELLA 75010602 6/2/2005 14: 58 291 2 7 255 9. 486 -0. 3053 2. 56 2 STARLETTE 75010602 rejected STARLETTE 75010602 6/2/2005 15: 42 348 3 5 264 7. 2 0. 1056 2. 82 1 STARLETTE 75010602 6/2/2005 15: 42 348 2 6 266 7. 086 0. 0087 2. 6 2 0 ERS-2 70900513 6/2/2005 15: 59 568 23 0 4 6. 867 0. 1305 2. 82 0 ERS-2 70900513 6/2/2005 15: 59 568 23 0 4 6. 861 0. 1265 2. 82 1 ERS-2 70900513 6/2/2005 15: 59 568 23 0 4 6. 859 0. 1312 2. 83 2 LAGEOS-2 70900513 6/2/2005 16: 07 480 10 0 3 9. 05 0. 1629 2. 98 0 LAGEOS-2 70900513 6/2/2005 16: 07 480 10 0 3 9. 063 0. 1763 3 1 LAGEOS-2 70900513 6/2/2005 16: 07 480 10 0 3 9. 071 0. 1848 3. 03 2 15 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
CPF Normal Point Generation Satellite Station Date Time Obs. Acce pt Bins Rej ect Bins Reje cted Obs Fit RMS (mm) Skew Kurtosi s Prediction Type (0=IRV, 1=Integrated CPF, 2=Interpolated CPF GLONASS-87 75010602 6/2/2005 16: 23 601 3 0 40 13. 61 0. 0093 2. 65 0 GLONASS-87 75010602 6/2/2005 16: 23 601 3 0 38 13. 73 0. 0167 2. 66 1 GLONASS-87 75010602 6/2/2005 16: 23 601 2 1 343 15. 76 -0. 0483 2. 53 2 JASON 70900513 6/2/2005 16: 25 677 22 0 5 7. 435 0. 1107 2. 69 0 JASON 70900513 6/2/2005 16: 25 677 22 0 5 7. 435 0. 1106 2. 69 1 JASON 70900513 6/2/2005 16: 25 677 22 0 5 7. 434 0. 1106 2. 69 2 AJISAI 70900513 6/2/2005 17: 00 843 21 0 8 12. 21 0. 0904 2. 74 0 AJISAI 70900513 6/2/2005 17: 00 843 21 0 7 11. 86 0. 1786 3. 02 1 AJISAI 70900513 6/2/2005 17: 00 843 21 0 7 11. 84 0. 18 3. 02 2 16 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005
Future Analysis • Need a detailed look at prediction quality – Predictions software generating CPF data is on new platform. • Take closer look at passes with normal point differences • Improve interpolated CPF normal pointing • Compare normal points to global fit 17 10/3/2005 ILRS Workshop Eastbourne, UK Oct 2005