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: 5/13/2025
| 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 | 05/14/2025 | 07:34:23 | -70.00,-117.51 | 128.80 | 05/14/2025 | 07:34:55 | -70.02,-117.52 | 128.78 | 3.04 | 32 |
| 2 | 05/14/2025 | 08:25:07 | 69.90, 49.95 | 51.09 | 05/14/2025 | 08:24:22 | 69.92, 49.99 | 51.12 | 3.31 | 45 |
| 3 | 05/16/2025 | 23:00:42 | 70.31,-169.54 | 50.92 | 05/16/2025 | 23:01:53 | 70.22,-168.98 | 50.81 | 23.22 | 71 |
| 4 | 05/16/2025 | 23:51:20 | -69.99, -1.73 | 129.43 | 05/16/2025 | 23:51:25 | -70.00, -1.66 | 129.42 | 3.14 | 5 |
| 5 | 05/17/2025 | 00:42:03 | 69.84, 165.81 | 50.41 | 05/17/2025 | 00:40:53 | 69.84, 165.76 | 50.42 | 1.93 | 70 |
| 6 | 05/19/2025 | 15:17:34 | 70.05, -53.37 | 50.06 | 05/19/2025 | 15:18:25 | 70.07, -53.32 | 50.07 | 3.02 | 51 |
| 7 | 05/19/2025 | 16:08:16 | -69.93, 114.12 | 130.07 | 05/19/2025 | 16:07:56 | -69.90, 114.08 | 130.09 | 3.09 | 20 |
| 8 | 05/19/2025 | 16:58:44 | 68.98, -77.21 | 48.96 | 05/19/2025 | 16:57:37 | 69.02, -79.46 | 49.05 | 89.68 | 67 |
| 9 | 05/22/2025 | 07:34:29 | 70.00, 62.47 | 49.47 | 05/22/2025 | 07:34:54 | 70.00, 62.47 | 49.47 | 0.07 | 25 |
| 10 | 05/22/2025 | 08:25:11 | -69.88,-130.03 | 130.66 | 05/22/2025 | 08:24:24 | -69.89,-130.04 | 130.65 | 1.76 | 47 |
| 11 | 05/24/2025 | 23:00:43 | -70.15, 10.70 | 130.87 | 05/24/2025 | 23:01:55 | -70.13, 10.90 | 130.90 | 7.93 | 72 |
| 12 | 05/24/2025 | 23:51:25 | 69.96, 178.30 | 48.93 | 05/24/2025 | 23:51:23 | 69.96, 178.31 | 48.93 | 0.83 | 2 |
| 13 | 05/25/2025 | 00:42:07 | -69.84, -14.20 | 131.21 | 05/25/2025 | 00:40:53 | -69.86, -14.20 | 131.18 | 3.00 | 74 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/13/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 05/13/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8