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: 7/5/2025
| 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 | 07/05/2025 | 07:09:58 | 70.00, 68.66 | 47.24 | 07/05/2025 | 07:10:30 | 70.00, 68.65 | 47.23 | 0.96 | 32 |
| 2 | 07/05/2025 | 08:00:39 | -69.88,-123.83 | 132.89 | 07/05/2025 | 08:00:00 | -69.88,-123.87 | 132.88 | 1.52 | 39 |
| 3 | 07/07/2025 | 22:36:18 | -70.30, 16.64 | 132.17 | 07/07/2025 | 22:37:30 | -70.21, 17.20 | 132.29 | 23.35 | 72 |
| 4 | 07/07/2025 | 23:26:58 | 69.95,-175.52 | 47.47 | 07/07/2025 | 23:27:00 | 69.94,-175.54 | 47.46 | 1.37 | 2 |
| 5 | 07/08/2025 | 00:17:39 | -69.83, -8.01 | 132.66 | 07/08/2025 | 00:16:30 | -69.83, -8.06 | 132.64 | 2.11 | 69 |
| 6 | 07/10/2025 | 14:53:14 | -70.04, 132.79 | 132.11 | 07/10/2025 | 14:54:02 | -70.04, 132.84 | 132.13 | 1.91 | 48 |
| 7 | 07/10/2025 | 15:43:58 | 69.91, -59.69 | 47.75 | 07/10/2025 | 15:43:29 | 69.93, -59.67 | 47.78 | 2.66 | 29 |
| 8 | 07/13/2025 | 06:19:43 | 70.71, 80.17 | 48.97 | 07/13/2025 | 06:20:51 | 70.61, 81.93 | 48.79 | 65.59 | 68 |
| 9 | 07/13/2025 | 07:10:12 | -69.95,-111.31 | 131.84 | 07/13/2025 | 07:10:31 | -69.96,-111.39 | 131.83 | 3.19 | 19 |
| 10 | 07/13/2025 | 08:00:57 | 69.86, 56.12 | 48.08 | 07/13/2025 | 07:59:58 | 69.84, 56.10 | 48.07 | 2.50 | 59 |
| 11 | 07/15/2025 | 22:36:31 | 70.04,-163.02 | 48.68 | 07/15/2025 | 22:37:30 | 70.01,-163.05 | 48.64 | 3.27 | 59 |
| 12 | 07/15/2025 | 23:27:12 | -69.91, 4.50 | 131.46 | 07/15/2025 | 23:27:00 | -69.91, 4.44 | 131.45 | 2.52 | 12 |
| 13 | 07/16/2025 | 00:17:46 | 69.24, 172.78 | 47.85 | 07/16/2025 | 00:16:37 | 69.24, 171.17 | 47.93 | 63.18 | 69 |
| 14 | 07/18/2025 | 14:53:31 | 70.01, -47.22 | 49.10 | 07/18/2025 | 14:53:58 | 70.00, -47.18 | 49.09 | 1.50 | 27 |
| 15 | 07/18/2025 | 15:44:12 | -69.87, 120.31 | 131.04 | 07/18/2025 | 15:43:29 | -69.85, 120.24 | 131.05 | 3.14 | 43 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/5/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/05/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9