Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/11/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 09/13/2025 | 23:01:30 | -70.10, 10.74 | 113.40 | 09/13/2025 | 23:02:42 | -70.10, 10.83 | 113.40 | 3.24 | 72 |
| 2 | 09/13/2025 | 23:52:13 | 69.95, 178.28 | 66.47 | 09/13/2025 | 23:52:10 | 69.95, 178.25 | 66.46 | 1.24 | 3 |
| 3 | 09/14/2025 | 00:42:54 | -69.79, -14.17 | 113.69 | 09/14/2025 | 00:41:40 | -69.84, -14.27 | 113.64 | 6.28 | 74 |
| 4 | 09/16/2025 | 15:18:21 | -70.02, 126.64 | 112.45 | 09/16/2025 | 15:19:13 | -70.06, 126.64 | 112.42 | 3.60 | 52 |
| 5 | 09/16/2025 | 16:09:05 | 69.93, -65.91 | 67.47 | 09/16/2025 | 16:08:40 | 69.95, -65.87 | 67.50 | 2.87 | 25 |
| 6 | 09/16/2025 | 16:59:32 | -69.03, 102.71 | 113.44 | 09/16/2025 | 16:58:24 | -69.07, 100.58 | 113.35 | 84.85 | 68 |
| 7 | 09/19/2025 | 07:35:14 | -70.01,-117.55 | 111.43 | 09/19/2025 | 07:35:45 | -70.00,-117.56 | 111.44 | 0.66 | 31 |
| 8 | 09/19/2025 | 08:25:58 | 69.92, 49.90 | 68.49 | 09/19/2025 | 08:25:12 | 69.90, 49.93 | 68.47 | 2.49 | 46 |
| 9 | 09/21/2025 | 23:01:31 | 70.42,-169.73 | 70.03 | 09/21/2025 | 23:02:42 | 70.32,-168.87 | 69.90 | 34.29 | 71 |
| 10 | 09/21/2025 | 23:52:07 | -69.99, -1.75 | 110.41 | 09/21/2025 | 23:52:16 | -70.00, -1.70 | 110.41 | 1.87 | 9 |
| 11 | 09/22/2025 | 00:42:50 | 69.85, 165.78 | 69.47 | 09/22/2025 | 00:41:44 | 69.83, 165.71 | 69.45 | 3.38 | 66 |
| 12 | 09/24/2025 | 15:18:17 | 70.05, -53.36 | 70.68 | 09/24/2025 | 15:19:18 | 70.03, -53.41 | 70.66 | 3.06 | 61 |
| 13 | 09/24/2025 | 16:08:59 | -69.93, 114.13 | 109.43 | 09/24/2025 | 16:08:48 | -69.93, 114.08 | 109.43 | 1.93 | 11 |
| 14 | 09/24/2025 | 16:59:33 | 69.32, -77.66 | 69.96 | 09/24/2025 | 16:58:23 | 69.37, -79.03 | 70.03 | 54.33 | 70 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/11/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/11/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8