Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/1/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 08/03/2025 | 14:03:38 | 70.16, -34.69 | 52.82 | 08/03/2025 | 14:04:45 | 70.15, -34.66 | 52.80 | 1.78 | 67 |
| 2 | 08/03/2025 | 14:54:20 | -70.04, 132.81 | 127.30 | 08/03/2025 | 14:54:15 | -70.04, 132.82 | 127.30 | 0.77 | 5 |
| 3 | 08/03/2025 | 15:44:58 | 69.64, -59.28 | 52.29 | 08/03/2025 | 15:43:46 | 69.71, -59.99 | 52.40 | 28.94 | 72 |
| 4 | 08/06/2025 | 06:20:32 | 70.09, 81.19 | 53.47 | 08/06/2025 | 06:21:17 | 70.09, 81.13 | 53.46 | 2.19 | 45 |
| 5 | 08/06/2025 | 07:11:14 | -69.97,-111.31 | 126.65 | 08/06/2025 | 07:10:47 | -69.98,-111.38 | 126.63 | 3.21 | 27 |
| 6 | 08/08/2025 | 21:46:59 | -71.05, 28.11 | 124.78 | 08/08/2025 | 21:48:05 | -70.99, 30.71 | 124.94 | 94.25 | 66 |
| 7 | 08/08/2025 | 22:37:26 | 70.08,-163.02 | 54.21 | 08/08/2025 | 22:37:47 | 70.06,-163.03 | 54.19 | 1.77 | 21 |
| 8 | 08/08/2025 | 23:28:08 | -69.95, 4.49 | 125.92 | 08/08/2025 | 23:27:17 | -69.96, 4.46 | 125.90 | 1.35 | 51 |
| 9 | 08/11/2025 | 14:03:38 | -70.20, 145.26 | 124.90 | 08/11/2025 | 14:04:50 | -70.18, 145.37 | 124.93 | 4.77 | 72 |
| 10 | 08/11/2025 | 14:54:20 | 70.02, -47.16 | 54.93 | 08/11/2025 | 14:54:18 | 70.01, -47.22 | 54.92 | 2.54 | 2 |
| 11 | 08/11/2025 | 15:45:02 | -69.89, 120.36 | 125.20 | 08/11/2025 | 15:43:48 | -69.91, 120.27 | 125.17 | 4.32 | 74 |
| 12 | 08/14/2025 | 06:20:32 | -70.14, -98.88 | 124.15 | 08/14/2025 | 06:21:21 | -70.11, -98.85 | 124.19 | 3.12 | 49 |
| 13 | 08/14/2025 | 07:11:15 | 70.01, 68.62 | 55.73 | 08/14/2025 | 07:10:48 | 69.99, 68.63 | 55.71 | 1.99 | 27 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/1/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/01/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8