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 | 70.06, -47.20 | 52.73 | 08/03/2025 | 14:54:12 | 70.06, -47.13 | 52.72 | 2.79 | 56 |
| 2 | 08/03/2025 | 15:43:57 | -69.93, 120.30 | 127.39 | 08/03/2025 | 15:43:42 | -69.95, 120.35 | 127.38 | 2.66 | 15 |
| 3 | 08/03/2025 | 16:34:29 | 69.16, -71.27 | 51.81 | 08/03/2025 | 16:33:20 | 69.24, -72.97 | 51.97 | 67.99 | 69 |
| 4 | 08/06/2025 | 07:10:10 | 70.00, 68.66 | 53.40 | 08/06/2025 | 07:10:45 | 69.99, 68.64 | 53.38 | 1.53 | 35 |
| 5 | 08/06/2025 | 08:00:51 | -69.87,-123.83 | 126.73 | 08/06/2025 | 08:00:15 | -69.88,-123.87 | 126.72 | 2.04 | 36 |
| 6 | 08/08/2025 | 22:36:32 | -70.71, 16.02 | 125.12 | 08/08/2025 | 22:37:40 | -70.61, 17.77 | 125.29 | 65.57 | 68 |
| 7 | 08/08/2025 | 23:27:04 | 69.95,-175.49 | 54.10 | 08/08/2025 | 23:27:17 | 69.95,-175.53 | 54.10 | 1.61 | 13 |
| 8 | 08/09/2025 | 00:17:46 | -69.87, -8.05 | 125.98 | 08/09/2025 | 00:16:47 | -69.85, -8.05 | 126.00 | 2.27 | 59 |
| 9 | 08/11/2025 | 14:53:15 | -70.08, 132.78 | 125.00 | 08/11/2025 | 14:54:21 | -70.07, 132.85 | 125.03 | 2.95 | 66 |
| 10 | 08/11/2025 | 15:43:59 | 69.96, -59.73 | 54.89 | 08/11/2025 | 15:43:48 | 69.95, -59.66 | 54.88 | 2.72 | 11 |
| 11 | 08/11/2025 | 16:34:35 | -69.56, 108.19 | 125.53 | 08/11/2025 | 16:33:23 | -69.58, 107.46 | 125.47 | 28.59 | 72 |
| 12 | 08/14/2025 | 07:10:08 | -70.03,-111.37 | 124.24 | 08/14/2025 | 07:10:51 | -70.05,-111.29 | 124.24 | 3.47 | 43 |
| 13 | 08/14/2025 | 08:00:51 | 69.87, 56.19 | 55.60 | 08/14/2025 | 08:00:19 | 69.88, 56.12 | 55.62 | 3.28 | 32 |
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