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: 9/10/2025
| 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 | 09/11/2025 | 06:44:51 | -70.85,-106.25 | 113.63 | 09/11/2025 | 06:45:59 | -70.75,-104.09 | 113.78 | 79.74 | 68 |
| 2 | 09/11/2025 | 07:35:20 | 69.97, 62.47 | 65.47 | 09/11/2025 | 07:35:38 | 69.99, 62.44 | 65.49 | 3.07 | 18 |
| 3 | 09/11/2025 | 08:26:02 | -69.87,-130.06 | 114.63 | 09/11/2025 | 08:25:08 | -69.89,-130.07 | 114.61 | 2.30 | 54 |
| 4 | 09/13/2025 | 23:01:31 | -70.15, 10.67 | 113.35 | 09/13/2025 | 23:02:42 | -70.10, 10.83 | 113.40 | 7.66 | 71 |
| 5 | 09/13/2025 | 23:52:13 | 69.94, 178.29 | 66.46 | 09/13/2025 | 23:52:10 | 69.94, 178.24 | 66.46 | 1.81 | 3 |
| 6 | 09/14/2025 | 00:42:54 | -69.78, -14.16 | 113.69 | 09/14/2025 | 00:41:40 | -69.84, -14.27 | 113.64 | 7.11 | 74 |
| 7 | 09/16/2025 | 15:18:21 | -70.02, 126.65 | 112.45 | 09/16/2025 | 15:19:13 | -70.04, 126.61 | 112.44 | 2.53 | 52 |
| 8 | 09/16/2025 | 16:09:05 | 69.92, -65.90 | 67.47 | 09/16/2025 | 16:08:40 | 69.93, -65.90 | 67.47 | 0.11 | 25 |
| 9 | 09/16/2025 | 16:59:31 | -68.97, 102.80 | 113.50 | 09/16/2025 | 16:58:24 | -69.05, 100.56 | 113.37 | 89.56 | 67 |
| 10 | 09/19/2025 | 07:35:14 | -70.00,-117.54 | 111.44 | 09/19/2025 | 07:35:44 | -70.01,-117.55 | 111.43 | 0.92 | 30 |
| 11 | 09/19/2025 | 08:25:58 | 69.91, 49.90 | 68.49 | 09/19/2025 | 08:25:11 | 69.89, 49.93 | 68.47 | 2.15 | 47 |
| 12 | 09/21/2025 | 23:01:30 | 70.37,-169.64 | 69.97 | 09/21/2025 | 23:02:41 | 70.28,-168.92 | 69.87 | 28.98 | 71 |
| 13 | 09/21/2025 | 23:52:07 | -69.99, -1.74 | 110.41 | 09/21/2025 | 23:52:15 | -69.96, -1.74 | 110.44 | 2.89 | 8 |
| 14 | 09/22/2025 | 00:42:50 | 69.85, 165.78 | 69.46 | 09/22/2025 | 00:41:42 | 69.85, 165.74 | 69.46 | 1.41 | 68 |
| 15 | 09/24/2025 | 15:18:17 | 70.05, -53.36 | 70.68 | 09/24/2025 | 15:19:15 | 70.05, -53.37 | 70.68 | 0.40 | 58 |
| 16 | 09/24/2025 | 16:08:59 | -69.93, 114.13 | 109.43 | 09/24/2025 | 16:08:45 | -69.96, 114.13 | 109.41 | 2.87 | 14 |
| 17 | 09/24/2025 | 16:59:31 | 69.21, -77.51 | 69.85 | 09/24/2025 | 16:58:22 | 69.29, -79.14 | 69.95 | 64.83 | 69 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/10/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/10/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8