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: 6/14/2025
| 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 | 06/16/2025 | 14:52:35 | 70.62, -47.94 | 47.24 | 06/16/2025 | 14:53:44 | 70.53, -46.46 | 47.09 | 55.69 | 69 |
| 2 | 06/16/2025 | 15:43:07 | -70.00, 120.35 | 133.42 | 06/16/2025 | 15:43:22 | -69.98, 120.37 | 133.44 | 2.23 | 15 |
| 3 | 06/16/2025 | 16:33:51 | 69.88, -72.17 | 46.46 | 06/16/2025 | 16:32:49 | 69.88, -72.12 | 46.46 | 2.05 | 62 |
| 4 | 06/19/2025 | 07:09:20 | 70.05, 68.73 | 46.58 | 06/19/2025 | 07:10:24 | 70.03, 68.69 | 46.56 | 2.33 | 64 |
| 5 | 06/19/2025 | 08:00:02 | -69.95,-123.81 | 133.52 | 06/19/2025 | 07:59:54 | -69.92,-123.83 | 133.55 | 3.24 | 8 |
| 6 | 06/19/2025 | 08:50:38 | 69.41, 44.29 | 45.92 | 06/19/2025 | 08:49:27 | 69.49, 43.22 | 46.03 | 42.59 | 71 |
| 7 | 06/21/2025 | 23:26:14 | 70.01,-175.44 | 46.54 | 06/21/2025 | 23:26:54 | 70.00,-175.47 | 46.53 | 1.13 | 40 |
| 8 | 06/22/2025 | 00:16:56 | -69.91, -7.97 | 133.57 | 06/22/2025 | 00:16:24 | -69.90, -7.98 | 133.58 | 1.14 | 32 |
| 9 | 06/24/2025 | 14:52:39 | -70.82, 131.74 | 132.57 | 06/24/2025 | 14:53:46 | -70.73, 133.83 | 132.74 | 77.00 | 67 |
| 10 | 06/24/2025 | 15:43:09 | 69.97, -59.61 | 46.54 | 06/24/2025 | 15:43:25 | 69.96, -59.65 | 46.53 | 2.16 | 16 |
| 11 | 06/24/2025 | 16:33:51 | -69.88, 107.85 | 133.56 | 06/24/2025 | 16:32:55 | -69.86, 107.84 | 133.57 | 2.11 | 56 |
| 12 | 06/27/2025 | 07:09:20 | -70.05,-111.27 | 133.28 | 06/27/2025 | 07:10:28 | -70.06,-111.27 | 133.28 | 0.99 | 68 |
| 13 | 06/27/2025 | 08:00:04 | 69.94, 56.21 | 46.61 | 06/27/2025 | 07:59:55 | 69.94, 56.21 | 46.61 | 0.42 | 9 |
| 14 | 06/27/2025 | 08:50:41 | -69.58,-135.94 | 133.77 | 06/27/2025 | 08:49:29 | -69.63,-136.59 | 133.69 | 25.72 | 72 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/14/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/14/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9