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: 7/9/2025
| 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 | 07/09/2025 | 06:44:43 | -70.05,-105.10 | 132.27 | 07/09/2025 | 06:45:49 | -70.05,-105.09 | 132.28 | 0.35 | 66 |
| 2 | 07/09/2025 | 07:35:28 | 69.96, 62.35 | 47.64 | 07/09/2025 | 07:35:16 | 69.95, 62.41 | 47.63 | 2.58 | 12 |
| 3 | 07/09/2025 | 08:26:03 | -69.52,-129.68 | 132.82 | 07/09/2025 | 08:24:51 | -69.56,-130.49 | 132.74 | 31.91 | 72 |
| 4 | 07/11/2025 | 23:01:43 | -70.00, 10.73 | 131.97 | 07/11/2025 | 23:02:19 | -69.98, 10.69 | 132.00 | 2.72 | 36 |
| 5 | 07/11/2025 | 23:52:27 | 69.86, 178.25 | 47.89 | 07/11/2025 | 23:51:46 | 69.88, 178.19 | 47.91 | 2.74 | 41 |
| 6 | 07/14/2025 | 14:28:05 | 70.24, -41.21 | 48.68 | 07/14/2025 | 14:29:16 | 70.17, -40.79 | 48.57 | 17.97 | 71 |
| 7 | 07/14/2025 | 15:18:43 | -69.96, 126.55 | 131.62 | 07/14/2025 | 15:18:48 | -69.95, 126.54 | 131.63 | 0.87 | 5 |
| 8 | 07/14/2025 | 16:09:27 | 69.82, -65.94 | 48.24 | 07/14/2025 | 16:08:15 | 69.84, -65.97 | 48.28 | 2.82 | 72 |
| 9 | 07/17/2025 | 06:45:01 | 69.99, 74.93 | 48.86 | 07/17/2025 | 06:45:47 | 70.01, 74.87 | 48.87 | 2.78 | 46 |
| 10 | 07/17/2025 | 07:35:43 | -69.92,-117.64 | 131.22 | 07/17/2025 | 07:35:17 | -69.91,-117.64 | 131.23 | 0.99 | 26 |
| 11 | 07/19/2025 | 22:11:29 | -70.77, 22.14 | 129.85 | 07/19/2025 | 22:12:37 | -70.67, 24.08 | 130.04 | 72.13 | 68 |
| 12 | 07/19/2025 | 23:02:00 | 69.96,-169.27 | 49.30 | 07/19/2025 | 23:02:15 | 69.95,-169.32 | 49.29 | 2.21 | 15 |
| 13 | 07/19/2025 | 23:52:42 | -69.88, -1.83 | 130.78 | 07/19/2025 | 23:51:45 | -69.85, -1.83 | 130.80 | 3.08 | 57 |
| 14 | 07/22/2025 | 14:28:16 | -70.06, 139.03 | 130.08 | 07/22/2025 | 14:29:16 | -70.05, 139.06 | 130.10 | 1.42 | 60 |
| 15 | 07/22/2025 | 15:19:00 | 69.93, -53.47 | 49.79 | 07/22/2025 | 15:18:43 | 69.93, -53.46 | 49.80 | 0.94 | 17 |
| 16 | 07/22/2025 | 16:09:32 | -69.31, 114.75 | 130.85 | 07/22/2025 | 16:08:22 | -69.34, 113.37 | 130.76 | 54.28 | 70 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/9/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/09/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8