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: 7/7/2025
| 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 | -70.02,-105.05 | 132.30 | 07/09/2025 | 06:45:50 | -70.03,-105.13 | 132.30 | 2.88 | 67 |
| 2 | 07/09/2025 | 07:35:28 | 69.94, 62.39 | 47.61 | 07/09/2025 | 07:35:17 | 69.93, 62.37 | 47.60 | 1.25 | 11 |
| 3 | 07/09/2025 | 08:26:03 | -69.49,-129.64 | 132.85 | 07/09/2025 | 08:24:52 | -69.54,-130.53 | 132.76 | 34.83 | 71 |
| 4 | 07/11/2025 | 23:01:44 | -70.03, 10.69 | 131.94 | 07/11/2025 | 23:02:19 | -70.01, 10.74 | 131.97 | 2.33 | 35 |
| 5 | 07/11/2025 | 23:52:28 | 69.89, 178.21 | 47.92 | 07/11/2025 | 23:51:46 | 69.91, 178.23 | 47.94 | 1.95 | 42 |
| 6 | 07/14/2025 | 14:28:04 | 70.22, -41.17 | 48.65 | 07/14/2025 | 14:29:16 | 70.14, -40.83 | 48.55 | 15.45 | 72 |
| 7 | 07/14/2025 | 15:18:43 | -69.98, 126.51 | 131.59 | 07/14/2025 | 15:18:47 | -69.98, 126.58 | 131.60 | 2.67 | 4 |
| 8 | 07/14/2025 | 16:09:27 | 69.85, -65.98 | 48.27 | 07/14/2025 | 16:08:14 | 69.87, -65.93 | 48.30 | 3.24 | 73 |
| 9 | 07/17/2025 | 06:45:01 | 70.02, 74.89 | 48.88 | 07/17/2025 | 06:45:46 | 70.04, 74.91 | 48.89 | 2.46 | 45 |
| 10 | 07/17/2025 | 07:35:42 | -69.89,-117.60 | 131.25 | 07/17/2025 | 07:35:17 | -69.88,-117.67 | 131.25 | 2.93 | 25 |
| 11 | 07/19/2025 | 22:11:30 | -70.80, 22.10 | 129.82 | 07/19/2025 | 22:12:38 | -70.64, 24.04 | 130.06 | 73.29 | 68 |
| 12 | 07/19/2025 | 23:02:01 | 69.98,-169.31 | 49.33 | 07/19/2025 | 23:02:15 | 69.98,-169.28 | 49.32 | 1.11 | 14 |
| 13 | 07/19/2025 | 23:52:42 | -69.85, -1.79 | 130.81 | 07/19/2025 | 23:51:45 | -69.88, -1.79 | 130.77 | 3.36 | 57 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/7/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/07/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8