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: 8/1/2025
| 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 | 70.01, -47.13 | 52.68 | 08/03/2025 | 14:54:10 | 70.04, -47.16 | 52.70 | 2.89 | 54 |
| 2 | 08/03/2025 | 15:43:58 | -69.94, 120.30 | 127.39 | 08/03/2025 | 15:43:40 | -69.93, 120.33 | 127.40 | 1.56 | 18 |
| 3 | 08/03/2025 | 16:34:28 | 69.06, -71.12 | 51.70 | 08/03/2025 | 16:33:20 | 69.10, -73.14 | 51.83 | 80.34 | 68 |
| 4 | 08/06/2025 | 07:10:10 | 70.01, 68.65 | 53.40 | 08/06/2025 | 07:10:38 | 70.00, 68.68 | 53.39 | 1.73 | 28 |
| 5 | 08/06/2025 | 08:00:51 | -69.88,-123.84 | 126.73 | 08/06/2025 | 08:00:08 | -69.90,-123.83 | 126.71 | 1.76 | 43 |
| 6 | 08/08/2025 | 22:36:25 | -70.35, 16.59 | 125.50 | 08/08/2025 | 22:37:37 | -70.22, 17.24 | 125.66 | 27.95 | 72 |
| 7 | 08/08/2025 | 23:27:04 | 69.96,-175.50 | 54.10 | 08/08/2025 | 23:27:07 | 69.95,-175.51 | 54.09 | 1.71 | 3 |
| 8 | 08/09/2025 | 00:17:45 | -69.83, -7.98 | 126.03 | 08/09/2025 | 00:16:37 | -69.84, -8.02 | 126.01 | 2.34 | 68 |
| 9 | 08/11/2025 | 14:53:14 | -70.04, 132.85 | 125.05 | 08/11/2025 | 14:54:08 | -70.04, 132.88 | 125.05 | 1.39 | 54 |
| 10 | 08/11/2025 | 15:43:58 | 69.92, -59.66 | 54.84 | 08/11/2025 | 15:43:35 | 69.93, -59.64 | 54.85 | 1.33 | 23 |
| 11 | 08/11/2025 | 16:34:26 | -69.09, 108.85 | 126.02 | 08/11/2025 | 16:33:18 | -69.11, 106.89 | 125.91 | 77.97 | 68 |
| 12 | 08/14/2025 | 07:10:08 | -69.99,-111.31 | 124.28 | 08/14/2025 | 07:10:36 | -70.01,-111.28 | 124.27 | 2.12 | 28 |
| 13 | 08/14/2025 | 08:00:52 | 69.88, 56.17 | 55.61 | 08/14/2025 | 08:00:03 | 69.89, 56.20 | 55.63 | 1.51 | 49 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/1/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/01/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9