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: 9/16/2025
| 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 | 09/16/2025 | 15:18:22 | -70.04, 126.61 | 112.43 | 09/16/2025 | 15:19:14 | -70.02, 126.58 | 112.46 | 3.24 | 52 |
| 2 | 09/16/2025 | 16:09:06 | 69.94, -65.93 | 67.49 | 09/16/2025 | 16:08:41 | 69.92, -65.91 | 67.46 | 2.98 | 25 |
| 3 | 09/16/2025 | 16:59:32 | -68.99, 102.76 | 113.47 | 09/16/2025 | 16:58:25 | -69.03, 100.53 | 113.39 | 88.79 | 67 |
| 4 | 09/19/2025 | 07:35:13 | -69.98,-117.50 | 111.46 | 09/19/2025 | 07:35:44 | -69.99,-117.58 | 111.45 | 3.47 | 31 |
| 5 | 09/19/2025 | 08:25:57 | 69.88, 49.95 | 68.46 | 09/19/2025 | 08:25:11 | 69.89, 49.92 | 68.47 | 1.73 | 46 |
| 6 | 09/21/2025 | 23:01:30 | 70.39,-169.68 | 69.99 | 09/21/2025 | 23:02:41 | 70.28,-168.93 | 69.86 | 30.83 | 71 |
| 7 | 09/21/2025 | 23:52:06 | -69.96, -1.70 | 110.44 | 09/21/2025 | 23:52:15 | -69.95, -1.76 | 110.45 | 2.69 | 9 |
| 8 | 09/22/2025 | 00:42:50 | 69.87, 165.75 | 69.49 | 09/22/2025 | 00:41:42 | 69.84, 165.74 | 69.46 | 3.04 | 68 |
| 9 | 09/24/2025 | 15:18:17 | 70.07, -53.40 | 70.70 | 09/24/2025 | 15:19:15 | 70.05, -53.37 | 70.68 | 2.57 | 58 |
| 10 | 09/24/2025 | 16:08:59 | -69.96, 114.09 | 109.40 | 09/24/2025 | 16:08:45 | -69.95, 114.11 | 109.42 | 1.77 | 14 |
| 11 | 09/24/2025 | 16:59:31 | 69.23, -77.54 | 69.88 | 09/24/2025 | 16:58:22 | 69.28, -79.14 | 69.95 | 63.60 | 69 |
| 12 | 09/27/2025 | 07:35:09 | 70.02, 62.46 | 71.69 | 09/27/2025 | 07:35:45 | 70.02, 62.47 | 71.69 | 0.26 | 36 |
| 13 | 09/27/2025 | 08:25:51 | -69.91,-130.05 | 108.42 | 09/27/2025 | 08:25:15 | -69.92,-130.04 | 108.40 | 1.58 | 36 |
| 14 | 09/29/2025 | 23:01:29 | -70.74, 9.80 | 106.55 | 09/29/2025 | 23:02:37 | -70.64, 11.60 | 106.67 | 67.46 | 68 |
| 15 | 09/29/2025 | 23:52:00 | 69.98, 178.32 | 72.69 | 09/29/2025 | 23:52:14 | 69.98, 178.29 | 72.69 | 1.20 | 14 |
| 16 | 09/30/2025 | 00:42:42 | -69.86, -14.19 | 107.42 | 09/30/2025 | 00:41:44 | -69.88, -14.22 | 107.40 | 2.37 | 58 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/16/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/16/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8