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: 9/13/2025
| 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, 10.82 | 113.40 | 3.01 | 72 |
| 2 | 09/13/2025 | 23:52:13 | 69.95, 178.29 | 66.46 | 09/13/2025 | 23:52:10 | 69.95, 178.25 | 66.46 | 1.39 | 3 |
| 3 | 09/14/2025 | 00:42:54 | -69.79, -14.16 | 113.69 | 09/14/2025 | 00:41:40 | -69.83, -14.27 | 113.64 | 6.25 | 74 |
| 4 | 09/16/2025 | 15:18:21 | -70.02, 126.64 | 112.45 | 09/16/2025 | 15:19:13 | -70.04, 126.62 | 112.43 | 2.25 | 52 |
| 5 | 09/16/2025 | 16:09:05 | 69.93, -65.90 | 67.47 | 09/16/2025 | 16:08:40 | 69.94, -65.88 | 67.48 | 1.68 | 25 |
| 6 | 09/16/2025 | 16:59:31 | -68.97, 102.79 | 113.49 | 09/16/2025 | 16:58:24 | -69.06, 100.57 | 113.37 | 88.97 | 67 |
| 7 | 09/19/2025 | 07:35:14 | -70.01,-117.55 | 111.43 | 09/19/2025 | 07:35:44 | -70.03,-117.53 | 111.41 | 2.32 | 30 |
| 8 | 09/19/2025 | 08:25:58 | 69.91, 49.90 | 68.49 | 09/19/2025 | 08:25:11 | 69.92, 49.97 | 68.50 | 2.61 | 47 |
| 9 | 09/21/2025 | 23:01:31 | 70.42,-169.73 | 70.03 | 09/21/2025 | 23:02:41 | 70.32,-168.86 | 69.91 | 34.42 | 70 |
| 10 | 09/21/2025 | 23:52:07 | -70.00, -1.75 | 110.41 | 09/21/2025 | 23:52:15 | -70.00, -1.70 | 110.41 | 2.00 | 8 |
| 11 | 09/22/2025 | 00:42:50 | 69.85, 165.78 | 69.47 | 09/22/2025 | 00:41:43 | 69.83, 165.72 | 69.45 | 3.19 | 67 |
| 12 | 09/24/2025 | 15:18:17 | 70.05, -53.37 | 70.68 | 09/24/2025 | 15:19:16 | 70.05, -53.37 | 70.68 | 0.21 | 59 |
| 13 | 09/24/2025 | 16:08:59 | -69.94, 114.12 | 109.43 | 09/24/2025 | 16:08:46 | -69.95, 114.12 | 109.41 | 1.63 | 13 |
| 14 | 09/24/2025 | 16:59:32 | 69.26, -77.58 | 69.91 | 09/24/2025 | 16:58:23 | 69.29, -79.14 | 69.95 | 61.37 | 69 |
| 15 | 09/27/2025 | 07:35:08 | 70.00, 62.50 | 71.67 | 09/27/2025 | 07:35:46 | 69.99, 62.42 | 71.66 | 3.11 | 38 |
| 16 | 09/27/2025 | 08:25:50 | -69.88,-130.01 | 108.44 | 09/27/2025 | 08:25:16 | -69.89,-130.09 | 108.43 | 3.08 | 34 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/13/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/13/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8