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: 8/2/2025
| 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 | 14:03:37 | 70.13, -34.64 | 52.79 | 08/03/2025 | 14:04:45 | 70.13, -34.68 | 52.78 | 1.90 | 68 |
| 2 | 08/03/2025 | 14:54:19 | -70.01, 132.85 | 127.33 | 08/03/2025 | 14:54:15 | -70.02, 132.79 | 127.32 | 2.52 | 4 |
| 3 | 08/03/2025 | 15:44:58 | 69.65, -59.30 | 52.31 | 08/03/2025 | 15:43:46 | 69.70, -60.01 | 52.39 | 27.80 | 72 |
| 4 | 08/06/2025 | 06:20:32 | 70.11, 81.16 | 53.49 | 08/06/2025 | 06:21:17 | 70.09, 81.13 | 53.46 | 3.03 | 45 |
| 5 | 08/06/2025 | 07:11:14 | -69.99,-111.34 | 126.63 | 08/06/2025 | 07:10:47 | -69.98,-111.39 | 126.64 | 2.31 | 27 |
| 6 | 08/08/2025 | 21:47:00 | -71.07, 28.07 | 124.76 | 08/08/2025 | 21:48:06 | -71.00, 30.73 | 124.92 | 96.46 | 66 |
| 7 | 08/08/2025 | 22:37:27 | 70.10,-163.06 | 54.23 | 08/08/2025 | 22:37:48 | 70.08,-163.01 | 54.20 | 3.00 | 21 |
| 8 | 08/08/2025 | 23:28:09 | -69.98, 4.45 | 125.89 | 08/08/2025 | 23:27:18 | -69.98, 4.48 | 125.89 | 1.16 | 51 |
| 9 | 08/11/2025 | 14:03:40 | -70.28, 145.13 | 124.81 | 08/11/2025 | 14:04:51 | -70.22, 145.43 | 124.89 | 12.80 | 71 |
| 10 | 08/11/2025 | 14:54:20 | 70.04, -47.20 | 54.95 | 08/11/2025 | 14:54:18 | 70.06, -47.16 | 54.97 | 2.09 | 2 |
| 11 | 08/11/2025 | 15:45:02 | -69.91, 120.31 | 125.17 | 08/11/2025 | 15:43:49 | -69.90, 120.25 | 125.18 | 2.77 | 73 |
| 12 | 08/14/2025 | 06:20:31 | -70.12, -98.85 | 124.17 | 08/14/2025 | 06:21:22 | -70.13, -98.82 | 124.16 | 2.35 | 51 |
| 13 | 08/14/2025 | 07:11:14 | 69.99, 68.66 | 55.71 | 08/14/2025 | 07:10:49 | 70.02, 68.67 | 55.74 | 3.44 | 25 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/2/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/02/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8