Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/30/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 01/30/2025 | 06:45:09 | 70.16, 75.07 | 87.77 | 01/30/2025 | 06:46:05 | 70.17, 75.03 | 87.76 | 1.78 | 56 |
| 2 | 01/30/2025 | 07:35:50 | -70.05,-117.43 | 92.37 | 01/30/2025 | 07:35:35 | -70.05,-117.51 | 92.37 | 2.71 | 15 |
| 3 | 01/30/2025 | 08:26:22 | 69.28, 51.00 | 86.82 | 01/30/2025 | 08:25:14 | 69.28, 49.09 | 86.91 | 75.17 | 68 |
| 4 | 02/01/2025 | 23:01:56 | 70.18,-169.15 | 87.03 | 02/01/2025 | 23:02:30 | 70.17,-169.08 | 87.01 | 3.03 | 34 |
| 5 | 02/01/2025 | 23:52:37 | -70.06, -1.65 | 93.11 | 02/01/2025 | 23:52:00 | -70.05, -1.61 | 93.12 | 2.29 | 37 |
| 6 | 02/04/2025 | 14:28:10 | -70.91, 138.17 | 92.97 | 02/04/2025 | 14:29:18 | -70.78, 140.08 | 93.20 | 71.34 | 68 |
| 7 | 02/04/2025 | 15:18:41 | 70.10, -53.23 | 86.16 | 02/04/2025 | 15:18:55 | 70.12, -53.24 | 86.18 | 2.35 | 14 |
| 8 | 02/04/2025 | 16:09:22 | -69.99, 114.27 | 93.98 | 02/04/2025 | 16:08:25 | -70.01, 114.23 | 93.95 | 2.89 | 57 |
| 9 | 02/07/2025 | 06:44:43 | -70.22,-104.91 | 94.53 | 02/07/2025 | 06:45:52 | -70.20,-104.87 | 94.57 | 2.54 | 69 |
| 10 | 02/07/2025 | 07:35:27 | 70.09, 62.59 | 85.33 | 02/07/2025 | 07:35:19 | 70.09, 62.61 | 85.32 | 0.80 | 8 |
| 11 | 02/07/2025 | 08:26:04 | -69.76,-129.60 | 95.04 | 02/07/2025 | 08:24:52 | -69.81,-130.14 | 94.95 | 21.66 | 72 |
| 12 | 02/09/2025 | 23:01:27 | -70.17, 10.97 | 95.44 | 02/09/2025 | 23:02:14 | -70.18, 11.00 | 95.44 | 1.93 | 47 |
| 13 | 02/09/2025 | 23:52:11 | 70.04, 178.48 | 84.42 | 02/09/2025 | 23:51:41 | 70.07, 178.49 | 84.45 | 2.89 | 30 |
| 14 | 02/12/2025 | 14:27:47 | 71.09, -42.03 | 84.67 | 02/12/2025 | 14:28:53 | 70.99, -39.51 | 84.46 | 91.74 | 66 |
| 15 | 02/12/2025 | 15:18:12 | -70.13, 126.84 | 96.37 | 02/12/2025 | 15:18:37 | -70.12, 126.82 | 96.38 | 1.47 | 25 |
| 16 | 02/12/2025 | 16:08:56 | 70.00, -65.66 | 83.49 | 02/12/2025 | 16:08:04 | 70.00, -65.70 | 83.50 | 1.58 | 52 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/30/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9