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: 7/8/2025
| 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 | 07/09/2025 | 06:44:44 | -70.07,-105.12 | 132.26 | 07/09/2025 | 06:45:50 | -70.04,-105.11 | 132.29 | 2.76 | 66 |
| 2 | 07/09/2025 | 07:35:28 | 69.92, 62.40 | 47.60 | 07/09/2025 | 07:35:17 | 69.94, 62.39 | 47.61 | 1.60 | 11 |
| 3 | 07/09/2025 | 08:26:03 | -69.48,-129.63 | 132.86 | 07/09/2025 | 08:24:52 | -69.55,-130.51 | 132.75 | 35.34 | 71 |
| 4 | 07/11/2025 | 23:01:43 | -70.02, 10.71 | 131.96 | 07/11/2025 | 23:02:18 | -70.02, 10.75 | 131.96 | 1.77 | 35 |
| 5 | 07/11/2025 | 23:52:27 | 69.88, 178.23 | 47.91 | 07/11/2025 | 23:51:46 | 69.86, 178.17 | 47.90 | 2.88 | 41 |
| 6 | 07/14/2025 | 14:28:05 | 70.26, -41.23 | 48.69 | 07/14/2025 | 14:29:15 | 70.21, -40.73 | 48.61 | 19.57 | 70 |
| 7 | 07/14/2025 | 15:18:43 | -69.97, 126.53 | 131.61 | 07/14/2025 | 15:18:47 | -69.99, 126.59 | 131.59 | 3.48 | 4 |
| 8 | 07/14/2025 | 16:09:27 | 69.83, -65.96 | 48.26 | 07/14/2025 | 16:08:15 | 69.83, -65.99 | 48.26 | 1.58 | 72 |
| 9 | 07/17/2025 | 06:45:01 | 70.01, 74.91 | 48.87 | 07/17/2025 | 06:45:47 | 70.00, 74.85 | 48.85 | 2.37 | 46 |
| 10 | 07/17/2025 | 07:35:43 | -69.93,-117.66 | 131.21 | 07/17/2025 | 07:35:16 | -69.95,-117.58 | 131.19 | 3.66 | 27 |
| 11 | 07/19/2025 | 22:11:30 | -70.78, 22.12 | 129.84 | 07/19/2025 | 22:12:38 | -70.65, 24.06 | 130.05 | 72.38 | 68 |
| 12 | 07/19/2025 | 23:02:01 | 69.97,-169.28 | 49.31 | 07/19/2025 | 23:02:15 | 69.99,-169.27 | 49.33 | 2.60 | 14 |
| 13 | 07/19/2025 | 23:52:43 | -69.89, -1.84 | 130.77 | 07/19/2025 | 23:51:45 | -69.89, -1.77 | 130.76 | 2.70 | 58 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/8/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/08/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8