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: 10/27/2025
| 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 | 10/29/2025 | 07:35:22 | 70.02, 62.47 | 83.48 | 10/29/2025 | 07:35:47 | 70.01, 62.44 | 83.47 | 1.40 | 25 |
| 2 | 10/29/2025 | 08:26:03 | -69.89,-130.01 | 96.65 | 10/29/2025 | 08:25:17 | -69.90,-130.08 | 96.63 | 3.23 | 46 |
| 3 | 10/31/2025 | 23:01:38 | -70.11, 10.78 | 95.58 | 10/31/2025 | 23:02:49 | -70.12, 10.82 | 95.57 | 1.95 | 71 |
| 4 | 10/31/2025 | 23:52:22 | 69.98, 178.29 | 84.31 | 10/31/2025 | 23:52:17 | 69.96, 178.24 | 84.28 | 2.93 | 5 |
| 5 | 11/01/2025 | 00:43:01 | -69.74, -14.04 | 95.93 | 11/01/2025 | 00:41:48 | -69.79, -14.35 | 95.87 | 13.75 | 73 |
| 6 | 11/03/2025 | 15:18:38 | -70.02, 126.66 | 94.82 | 11/03/2025 | 15:19:20 | -70.04, 126.58 | 94.81 | 3.32 | 42 |
| 7 | 11/03/2025 | 16:09:23 | 69.94, -65.91 | 85.11 | 11/03/2025 | 16:08:47 | 69.93, -65.93 | 85.10 | 1.90 | 36 |
| 8 | 11/06/2025 | 06:45:04 | 70.45, 74.43 | 86.41 | 11/06/2025 | 06:46:15 | 70.36, 75.29 | 86.32 | 33.53 | 71 |
| 9 | 11/06/2025 | 07:35:39 | -70.00,-117.55 | 94.03 | 11/06/2025 | 07:35:50 | -69.98,-117.62 | 94.05 | 3.14 | 11 |
| 10 | 11/06/2025 | 08:26:24 | 69.91, 49.88 | 85.90 | 11/06/2025 | 08:25:16 | 69.92, 49.95 | 85.90 | 2.55 | 68 |
| 11 | 11/08/2025 | 23:01:58 | 70.06,-169.21 | 86.81 | 11/08/2025 | 23:02:49 | 70.05,-169.27 | 86.79 | 2.53 | 51 |
| 12 | 11/08/2025 | 23:52:40 | -69.98, -1.77 | 93.27 | 11/08/2025 | 23:52:19 | -69.95, -1.78 | 93.30 | 3.11 | 21 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/27/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/27/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8