Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/14/2025
| Index | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 05/16/2025 | 05:43:16 | 70.25, 90.51 | 51.00 | 05/16/2025 | 05:43:42 | 70.27, 90.56 | 51.02 | 2.89 | 26 |
| 2 | 05/16/2025 | 06:33:58 | -70.13,-102.00 | 129.13 | 05/16/2025 | 06:33:12 | -70.15,-101.98 | 129.11 | 1.65 | 46 |
| 3 | 05/18/2025 | 21:09:29 | -70.35, 38.81 | 129.49 | 05/18/2025 | 21:10:40 | -70.33, 38.90 | 129.51 | 3.66 | 71 |
| 4 | 05/18/2025 | 22:00:12 | 70.20,-153.66 | 50.36 | 05/18/2025 | 22:00:08 | 70.17,-153.69 | 50.33 | 3.25 | 4 |
| 5 | 05/18/2025 | 22:50:52 | -69.98, 14.00 | 129.88 | 05/18/2025 | 22:49:39 | -70.00, 13.71 | 129.84 | 11.53 | 73 |
| 6 | 05/21/2025 | 13:26:25 | -70.25, 154.73 | 130.14 | 05/21/2025 | 13:27:06 | -70.28, 154.71 | 130.12 | 3.10 | 41 |
| 7 | 05/21/2025 | 14:17:09 | 70.16, -37.83 | 49.77 | 05/21/2025 | 14:16:33 | 70.17, -37.80 | 49.78 | 1.23 | 36 |
| 8 | 05/24/2025 | 04:52:47 | 70.71, 102.45 | 49.83 | 05/24/2025 | 04:53:57 | 70.58, 103.42 | 49.68 | 38.29 | 70 |
| 9 | 05/24/2025 | 05:43:22 | -70.21, -89.45 | 130.69 | 05/24/2025 | 05:43:32 | -70.20, -89.51 | 130.70 | 2.98 | 10 |
| 10 | 05/24/2025 | 06:34:06 | 70.13, 77.99 | 49.22 | 05/24/2025 | 06:32:58 | 70.14, 78.05 | 49.24 | 2.62 | 68 |
| 11 | 05/26/2025 | 21:09:37 | 70.31,-141.15 | 48.96 | 05/26/2025 | 21:10:26 | 70.31,-141.09 | 48.95 | 2.42 | 49 |
| 12 | 05/26/2025 | 22:00:19 | -70.18, 26.37 | 131.19 | 05/26/2025 | 21:59:56 | -70.21, 26.39 | 131.17 | 2.68 | 23 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/14/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/14/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9