Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-9 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-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 07/07/2025 | 22:36:18 | -70.32, 16.61 | 132.15 | 07/07/2025 | 22:37:29 | -70.25, 17.25 | 132.26 | 25.42 | 71 |
| 2 | 07/07/2025 | 23:26:58 | 69.97,-175.54 | 47.49 | 07/07/2025 | 23:26:59 | 69.98,-175.48 | 47.50 | 2.62 | 1 |
| 3 | 07/08/2025 | 00:17:39 | -69.84, -8.03 | 132.64 | 07/08/2025 | 00:16:29 | -69.87, -8.01 | 132.61 | 3.02 | 70 |
| 4 | 07/10/2025 | 14:53:13 | -70.01, 132.85 | 132.15 | 07/10/2025 | 14:54:02 | -70.02, 132.81 | 132.14 | 1.81 | 49 |
| 5 | 07/10/2025 | 15:43:58 | 69.92, -59.72 | 47.77 | 07/10/2025 | 15:43:29 | 69.91, -59.69 | 47.76 | 1.32 | 29 |
| 6 | 07/13/2025 | 06:19:44 | 70.72, 80.15 | 48.98 | 07/13/2025 | 06:20:52 | 70.59, 81.90 | 48.77 | 66.12 | 68 |
| 7 | 07/13/2025 | 07:10:13 | -69.96,-111.33 | 131.82 | 07/13/2025 | 07:10:31 | -69.99,-111.34 | 131.79 | 3.63 | 18 |
| 8 | 07/13/2025 | 08:00:58 | 69.88, 56.10 | 48.10 | 07/13/2025 | 07:59:58 | 69.88, 56.15 | 48.11 | 2.07 | 60 |
| 9 | 07/15/2025 | 22:36:32 | 70.05,-163.03 | 48.69 | 07/15/2025 | 22:37:30 | 70.05,-163.00 | 48.68 | 1.49 | 58 |
| 10 | 07/15/2025 | 23:27:12 | -69.92, 4.48 | 131.45 | 07/15/2025 | 23:27:00 | -69.90, 4.42 | 131.47 | 3.49 | 12 |
| 11 | 07/16/2025 | 00:17:45 | 69.20, 172.84 | 47.81 | 07/16/2025 | 00:16:36 | 69.28, 171.23 | 47.97 | 64.19 | 69 |
| 12 | 07/18/2025 | 14:53:31 | 70.01, -47.22 | 49.11 | 07/18/2025 | 14:53:58 | 69.99, -47.19 | 49.08 | 2.43 | 27 |
| 13 | 07/18/2025 | 15:44:12 | -69.88, 120.30 | 131.03 | 07/18/2025 | 15:43:28 | -69.89, 120.30 | 131.01 | 1.69 | 44 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/7/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/07/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9