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: 10/23/2025
| 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 | 10/23/2025 | 23:01:28 | 70.56,-169.88 | 82.21 | 10/23/2025 | 23:02:38 | 70.41,-168.73 | 82.06 | 45.87 | 70 |
| 2 | 10/23/2025 | 23:52:01 | -70.00, -1.68 | 98.35 | 10/23/2025 | 23:52:13 | -70.03, -1.65 | 98.32 | 3.02 | 12 |
| 3 | 10/24/2025 | 00:42:45 | 69.87, 165.82 | 81.54 | 10/24/2025 | 00:41:41 | 69.87, 165.78 | 81.53 | 1.76 | 64 |
| 4 | 10/26/2025 | 15:18:21 | 70.08, -53.37 | 82.64 | 10/26/2025 | 15:19:15 | 70.09, -53.33 | 82.65 | 1.85 | 54 |
| 5 | 10/26/2025 | 16:09:03 | -70.00, 114.08 | 97.43 | 10/26/2025 | 16:08:45 | -69.98, 114.16 | 97.45 | 3.52 | 18 |
| 6 | 10/26/2025 | 16:59:33 | 69.12, -77.34 | 81.71 | 10/26/2025 | 16:58:25 | 69.16, -79.31 | 81.74 | 78.24 | 68 |
| 7 | 10/29/2025 | 07:35:22 | 70.03, 62.46 | 83.49 | 10/29/2025 | 07:35:47 | 70.00, 62.43 | 83.46 | 3.23 | 25 |
| 8 | 10/29/2025 | 08:26:03 | -69.89,-130.02 | 96.64 | 10/29/2025 | 08:25:17 | -69.90,-130.08 | 96.64 | 2.71 | 46 |
| 9 | 10/31/2025 | 23:01:39 | -70.12, 10.77 | 95.57 | 10/31/2025 | 23:02:50 | -70.11, 10.81 | 95.58 | 1.83 | 71 |
| 10 | 10/31/2025 | 23:52:23 | 69.99, 178.27 | 84.32 | 10/31/2025 | 23:52:17 | 69.99, 178.29 | 84.32 | 0.97 | 6 |
| 11 | 11/01/2025 | 00:43:02 | -69.74, -14.04 | 95.92 | 11/01/2025 | 00:41:49 | -69.78, -14.37 | 95.89 | 13.25 | 73 |
| 12 | 11/03/2025 | 15:18:39 | -70.08, 126.57 | 94.76 | 11/03/2025 | 15:19:19 | -70.06, 126.63 | 94.78 | 2.78 | 40 |
| 13 | 11/03/2025 | 16:09:23 | 69.95, -65.92 | 85.13 | 11/03/2025 | 16:08:46 | 69.95, -65.89 | 85.12 | 1.39 | 37 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/23/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/23/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8