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: 7/6/2025
| 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 | -70.31, 16.63 | 132.16 | 07/07/2025 | 22:37:30 | -70.21, 17.19 | 132.30 | 24.21 | 72 |
| 2 | 07/07/2025 | 23:26:58 | 69.96,-175.53 | 47.48 | 07/07/2025 | 23:27:00 | 69.94,-175.55 | 47.45 | 2.71 | 2 |
| 3 | 07/08/2025 | 00:17:39 | -69.83, -8.02 | 132.65 | 07/08/2025 | 00:16:30 | -69.83, -8.07 | 132.65 | 2.05 | 69 |
| 4 | 07/10/2025 | 14:53:14 | -70.05, 132.78 | 132.10 | 07/10/2025 | 14:54:02 | -70.03, 132.83 | 132.13 | 2.78 | 48 |
| 5 | 07/10/2025 | 15:43:58 | 69.91, -59.70 | 47.76 | 07/10/2025 | 15:43:29 | 69.92, -59.68 | 47.77 | 1.68 | 29 |
| 6 | 07/13/2025 | 06:19:44 | 70.71, 80.16 | 48.97 | 07/13/2025 | 06:20:52 | 70.61, 81.92 | 48.79 | 65.86 | 68 |
| 7 | 07/13/2025 | 07:10:13 | -69.95,-111.32 | 131.83 | 07/13/2025 | 07:10:32 | -69.95,-111.39 | 131.83 | 2.83 | 19 |
| 8 | 07/13/2025 | 08:00:58 | 69.87, 56.11 | 48.09 | 07/13/2025 | 07:59:59 | 69.84, 56.09 | 48.07 | 3.09 | 59 |
| 9 | 07/15/2025 | 22:36:31 | 70.04,-163.02 | 48.68 | 07/15/2025 | 22:37:30 | 70.01,-163.05 | 48.64 | 3.22 | 59 |
| 10 | 07/15/2025 | 23:27:12 | -69.91, 4.50 | 131.46 | 07/15/2025 | 23:27:00 | -69.91, 4.44 | 131.45 | 2.23 | 12 |
| 11 | 07/16/2025 | 00:17:46 | 69.24, 172.77 | 47.85 | 07/16/2025 | 00:16:37 | 69.24, 171.18 | 47.93 | 62.97 | 69 |
| 12 | 07/18/2025 | 14:53:31 | 70.00, -47.21 | 49.10 | 07/18/2025 | 14:53:58 | 70.01, -47.17 | 49.10 | 1.88 | 27 |
| 13 | 07/18/2025 | 15:44:12 | -69.87, 120.31 | 131.04 | 07/18/2025 | 15:43:29 | -69.86, 120.25 | 131.04 | 2.58 | 43 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/6/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/06/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9