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: 8/6/2025
| 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 | 08/08/2025 | 22:36:32 | -70.69, 16.04 | 125.14 | 08/08/2025 | 22:37:41 | -70.57, 17.71 | 125.33 | 63.41 | 69 |
| 2 | 08/08/2025 | 23:27:05 | 69.99,-175.55 | 54.13 | 08/08/2025 | 23:27:17 | 69.98,-175.50 | 54.12 | 2.03 | 12 |
| 3 | 08/09/2025 | 00:17:46 | -69.86, -8.03 | 126.00 | 08/09/2025 | 00:16:47 | -69.87, -8.02 | 125.98 | 1.02 | 59 |
| 4 | 08/11/2025 | 14:53:14 | -70.07, 132.80 | 125.02 | 08/11/2025 | 14:54:21 | -70.04, 132.81 | 125.06 | 3.31 | 67 |
| 5 | 08/11/2025 | 15:43:58 | 69.94, -59.70 | 54.87 | 08/11/2025 | 15:43:48 | 69.93, -59.69 | 54.86 | 1.33 | 10 |
| 6 | 08/11/2025 | 16:34:34 | -69.55, 108.21 | 125.54 | 08/11/2025 | 16:33:22 | -69.61, 107.49 | 125.45 | 28.67 | 72 |
| 7 | 08/14/2025 | 07:10:08 | -70.02,-111.35 | 124.26 | 08/14/2025 | 07:10:52 | -70.03,-111.32 | 124.25 | 1.90 | 44 |
| 8 | 08/14/2025 | 08:00:52 | 69.90, 56.14 | 55.64 | 08/14/2025 | 08:00:19 | 69.92, 56.17 | 55.66 | 2.91 | 33 |
| 9 | 08/16/2025 | 22:36:35 | 70.86,-164.22 | 57.46 | 08/16/2025 | 22:37:42 | 70.72,-162.07 | 57.24 | 80.49 | 67 |
| 10 | 08/16/2025 | 23:27:02 | -69.98, 4.49 | 123.46 | 08/16/2025 | 23:27:24 | -69.96, 4.45 | 123.48 | 2.43 | 22 |
| 11 | 08/17/2025 | 00:17:46 | 69.86, 171.97 | 56.43 | 08/17/2025 | 00:16:51 | 69.85, 171.94 | 56.42 | 2.11 | 55 |
| 12 | 08/19/2025 | 14:53:14 | 70.04, -47.14 | 57.45 | 08/19/2025 | 14:54:25 | 70.02, -47.21 | 57.43 | 2.93 | 71 |
| 13 | 08/19/2025 | 15:43:56 | -69.94, 120.33 | 122.64 | 08/19/2025 | 15:43:55 | -69.92, 120.29 | 122.66 | 2.22 | 1 |
| 14 | 08/19/2025 | 16:34:36 | 69.62, -71.89 | 57.04 | 08/19/2025 | 16:33:24 | 69.70, -72.38 | 57.15 | 21.10 | 72 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/6/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/06/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9