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: 8/4/2025
| 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 | 08/06/2025 | 07:10:10 | 69.99, 68.68 | 53.38 | 08/06/2025 | 07:10:45 | 70.01, 68.66 | 53.39 | 2.17 | 35 |
| 2 | 08/06/2025 | 08:00:52 | -69.92,-123.89 | 126.69 | 08/06/2025 | 08:00:15 | -69.90,-123.85 | 126.70 | 2.25 | 37 |
| 3 | 08/08/2025 | 22:36:32 | -70.69, 16.03 | 125.13 | 08/08/2025 | 22:37:41 | -70.58, 17.72 | 125.33 | 63.54 | 69 |
| 4 | 08/08/2025 | 23:27:05 | 69.99,-175.55 | 54.14 | 08/08/2025 | 23:27:17 | 69.98,-175.50 | 54.12 | 2.44 | 12 |
| 5 | 08/09/2025 | 00:17:46 | -69.86, -8.03 | 126.00 | 08/09/2025 | 00:16:47 | -69.87, -8.02 | 125.98 | 1.47 | 59 |
| 6 | 08/11/2025 | 14:53:14 | -70.07, 132.80 | 125.02 | 08/11/2025 | 14:54:21 | -70.04, 132.82 | 125.05 | 3.02 | 67 |
| 7 | 08/11/2025 | 15:43:58 | 69.95, -59.71 | 54.87 | 08/11/2025 | 15:43:48 | 69.93, -59.69 | 54.86 | 1.78 | 10 |
| 8 | 08/11/2025 | 16:34:34 | -69.55, 108.21 | 125.54 | 08/11/2025 | 16:33:22 | -69.61, 107.49 | 125.44 | 28.49 | 72 |
| 9 | 08/14/2025 | 07:10:08 | -70.02,-111.35 | 124.25 | 08/14/2025 | 07:10:52 | -70.04,-111.32 | 124.25 | 2.14 | 44 |
| 10 | 08/14/2025 | 08:00:52 | 69.91, 56.13 | 55.64 | 08/14/2025 | 08:00:19 | 69.92, 56.17 | 55.66 | 2.59 | 33 |
| 11 | 08/16/2025 | 22:36:35 | 70.86,-164.24 | 57.47 | 08/16/2025 | 22:37:42 | 70.72,-162.07 | 57.24 | 80.94 | 67 |
| 12 | 08/16/2025 | 23:27:02 | -69.98, 4.49 | 123.46 | 08/16/2025 | 23:27:24 | -69.96, 4.46 | 123.48 | 2.55 | 22 |
| 13 | 08/17/2025 | 00:17:46 | 69.87, 171.96 | 56.44 | 08/17/2025 | 00:16:51 | 69.85, 171.94 | 56.42 | 2.84 | 55 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/4/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/04/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9