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: 8/2/2025
| 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 | 08/03/2025 | 14:53:16 | 70.04, -47.18 | 52.71 | 08/03/2025 | 14:54:13 | 70.03, -47.18 | 52.69 | 1.78 | 57 |
| 2 | 08/03/2025 | 15:43:57 | -69.92, 120.33 | 127.41 | 08/03/2025 | 15:43:43 | -69.92, 120.30 | 127.41 | 1.32 | 14 |
| 3 | 08/03/2025 | 16:34:29 | 69.14, -71.24 | 51.79 | 08/03/2025 | 16:33:21 | 69.21, -73.02 | 51.93 | 70.72 | 68 |
| 4 | 08/06/2025 | 07:10:10 | 69.99, 68.68 | 53.38 | 08/06/2025 | 07:10:45 | 70.01, 68.67 | 53.39 | 2.56 | 35 |
| 5 | 08/06/2025 | 08:00:52 | -69.91,-123.88 | 126.70 | 08/06/2025 | 08:00:15 | -69.90,-123.85 | 126.70 | 1.58 | 37 |
| 6 | 08/08/2025 | 22:36:32 | -70.69, 16.04 | 125.14 | 08/08/2025 | 22:37:41 | -70.57, 17.72 | 125.33 | 63.07 | 69 |
| 7 | 08/08/2025 | 23:27:05 | 69.99,-175.55 | 54.13 | 08/08/2025 | 23:27:17 | 69.97,-175.51 | 54.11 | 2.26 | 12 |
| 8 | 08/09/2025 | 00:17:46 | -69.86, -8.03 | 126.00 | 08/09/2025 | 00:16:47 | -69.87, -8.02 | 125.98 | 1.59 | 59 |
| 9 | 08/11/2025 | 14:53:14 | -70.06, 132.81 | 125.02 | 08/11/2025 | 14:54:20 | -70.08, 132.88 | 125.01 | 3.55 | 66 |
| 10 | 08/11/2025 | 15:43:58 | 69.94, -59.70 | 54.87 | 08/11/2025 | 15:43:48 | 69.92, -59.71 | 54.84 | 2.84 | 10 |
| 11 | 08/11/2025 | 16:34:34 | -69.54, 108.21 | 125.55 | 08/11/2025 | 16:33:22 | -69.60, 107.48 | 125.46 | 29.22 | 72 |
| 12 | 08/14/2025 | 07:10:08 | -70.02,-111.34 | 124.26 | 08/14/2025 | 07:10:52 | -70.01,-111.35 | 124.27 | 0.31 | 44 |
| 13 | 08/14/2025 | 08:00:52 | 69.90, 56.14 | 55.64 | 08/14/2025 | 08:00:19 | 69.90, 56.14 | 55.63 | 0.33 | 33 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/2/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/02/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9