Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/6/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 07/06/2025 | 14:28:00 | -70.93, 137.74 | 131.64 | 07/06/2025 | 14:29:07 | -70.83, 140.17 | 131.85 | 89.24 | 67 |
| 2 | 07/06/2025 | 15:18:28 | 69.96, -53.40 | 47.33 | 07/06/2025 | 15:18:48 | 69.96, -53.46 | 47.33 | 2.63 | 20 |
| 3 | 07/06/2025 | 16:09:10 | -69.88, 114.03 | 132.75 | 07/06/2025 | 16:08:17 | -69.91, 114.09 | 132.72 | 3.33 | 53 |
| 4 | 07/09/2025 | 06:44:43 | -70.05,-105.09 | 132.28 | 07/09/2025 | 06:45:49 | -70.06,-105.08 | 132.27 | 1.78 | 66 |
| 5 | 07/09/2025 | 07:35:28 | 69.96, 62.35 | 47.64 | 07/09/2025 | 07:35:16 | 69.96, 62.41 | 47.63 | 2.39 | 12 |
| 6 | 07/09/2025 | 08:26:03 | -69.52,-129.67 | 132.83 | 07/09/2025 | 08:24:51 | -69.57,-130.48 | 132.73 | 32.12 | 72 |
| 7 | 07/11/2025 | 23:01:43 | -70.00, 10.74 | 131.98 | 07/11/2025 | 23:02:19 | -69.99, 10.70 | 131.99 | 1.80 | 36 |
| 8 | 07/11/2025 | 23:52:27 | 69.86, 178.25 | 47.89 | 07/11/2025 | 23:51:46 | 69.88, 178.19 | 47.91 | 3.03 | 41 |
| 9 | 07/14/2025 | 14:28:05 | 70.24, -41.21 | 48.68 | 07/14/2025 | 14:29:16 | 70.17, -40.79 | 48.57 | 17.83 | 71 |
| 10 | 07/14/2025 | 15:18:43 | -69.95, 126.55 | 131.62 | 07/14/2025 | 15:18:48 | -69.95, 126.54 | 131.63 | 0.58 | 5 |
| 11 | 07/14/2025 | 16:09:27 | 69.82, -65.94 | 48.24 | 07/14/2025 | 16:08:15 | 69.84, -65.98 | 48.27 | 2.93 | 72 |
| 12 | 07/17/2025 | 06:45:01 | 69.99, 74.93 | 48.86 | 07/17/2025 | 06:45:47 | 70.01, 74.87 | 48.86 | 2.68 | 46 |
| 13 | 07/17/2025 | 07:35:43 | -69.91,-117.63 | 131.23 | 07/17/2025 | 07:35:17 | -69.91,-117.64 | 131.23 | 0.90 | 26 |
| 14 | 07/19/2025 | 22:11:29 | -70.77, 22.14 | 129.85 | 07/19/2025 | 22:12:37 | -70.66, 24.07 | 130.05 | 71.72 | 68 |
| 15 | 07/19/2025 | 23:02:00 | 69.96,-169.27 | 49.30 | 07/19/2025 | 23:02:15 | 69.94,-169.34 | 49.28 | 3.31 | 15 |
| 16 | 07/19/2025 | 23:52:42 | -69.88, -1.83 | 130.78 | 07/19/2025 | 23:51:44 | -69.90, -1.76 | 130.76 | 3.32 | 58 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/6/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/06/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8