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: 11/5/2025
| 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 | 11/06/2025 | 06:45:04 | 70.45, 74.42 | 86.42 | 11/06/2025 | 06:46:15 | 70.35, 75.28 | 86.32 | 33.87 | 71 |
| 2 | 11/06/2025 | 07:35:39 | -70.01,-117.57 | 94.02 | 11/06/2025 | 07:35:49 | -70.02,-117.57 | 94.02 | 0.62 | 10 |
| 3 | 11/06/2025 | 08:26:24 | 69.92, 49.87 | 85.91 | 11/06/2025 | 08:25:16 | 69.91, 49.93 | 85.90 | 2.50 | 68 |
| 4 | 11/08/2025 | 23:01:58 | 70.06,-169.22 | 86.81 | 11/08/2025 | 23:02:49 | 70.04,-169.28 | 86.79 | 3.45 | 51 |
| 5 | 11/08/2025 | 23:52:40 | -69.99, -1.79 | 93.26 | 11/08/2025 | 23:52:18 | -69.99, -1.73 | 93.26 | 2.33 | 22 |
| 6 | 11/09/2025 | 00:43:07 | 68.94, 167.03 | 85.72 | 11/09/2025 | 00:42:01 | 68.99, 164.59 | 85.76 | 97.66 | 66 |
| 7 | 11/11/2025 | 14:28:30 | -70.97, 137.77 | 91.54 | 11/11/2025 | 14:29:37 | -70.85, 140.16 | 91.66 | 88.03 | 67 |
| 8 | 11/11/2025 | 15:18:59 | 70.05, -53.45 | 87.55 | 11/11/2025 | 15:19:17 | 70.04, -53.41 | 87.53 | 2.29 | 18 |
| 9 | 11/11/2025 | 16:09:40 | -69.92, 114.07 | 92.58 | 11/11/2025 | 16:08:47 | -69.93, 114.08 | 92.57 | 0.75 | 53 |
| 10 | 11/14/2025 | 06:45:14 | -70.13,-105.12 | 91.68 | 11/14/2025 | 06:46:17 | -70.12,-105.05 | 91.69 | 3.04 | 63 |
| 11 | 11/14/2025 | 07:35:58 | 69.99, 62.40 | 88.20 | 11/14/2025 | 07:35:44 | 70.00, 62.43 | 88.21 | 1.84 | 14 |
| 12 | 11/14/2025 | 08:26:32 | -69.49,-129.54 | 92.30 | 11/14/2025 | 08:25:21 | -69.51,-130.61 | 92.28 | 41.39 | 71 |
| 13 | 11/16/2025 | 23:02:14 | -70.08, 10.72 | 91.06 | 11/16/2025 | 23:02:45 | -70.06, 10.76 | 91.08 | 2.62 | 31 |
| 14 | 11/16/2025 | 23:52:58 | 69.94, 178.23 | 88.82 | 11/16/2025 | 23:52:12 | 69.94, 178.24 | 88.82 | 0.50 | 46 |
| 15 | 11/19/2025 | 14:28:32 | 70.11, -40.91 | 89.61 | 11/19/2025 | 14:29:42 | 70.13, -40.89 | 89.62 | 1.78 | 70 |
| 16 | 11/19/2025 | 15:19:14 | -70.03, 126.54 | 90.47 | 11/19/2025 | 15:19:12 | -70.03, 126.60 | 90.48 | 2.46 | 2 |
| 17 | 11/19/2025 | 16:09:54 | 69.69, -65.64 | 89.20 | 11/19/2025 | 16:08:42 | 69.74, -66.15 | 89.25 | 20.51 | 72 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/5/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 11/05/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8