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: 5/15/2025
| 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 | 05:43:15 | 70.22, 90.54 | 50.98 | 05/16/2025 | 05:43:42 | 70.23, 90.51 | 50.98 | 1.38 | 27 |
| 2 | 05/16/2025 | 06:33:57 | -70.11,-101.97 | 129.15 | 05/16/2025 | 06:33:12 | -70.11,-102.03 | 129.15 | 2.16 | 45 |
| 3 | 05/18/2025 | 21:09:29 | -70.33, 38.84 | 129.51 | 05/18/2025 | 21:10:41 | -70.30, 38.85 | 129.54 | 3.05 | 72 |
| 4 | 05/18/2025 | 22:00:12 | 70.18,-153.63 | 50.34 | 05/18/2025 | 22:00:08 | 70.20,-153.65 | 50.36 | 2.02 | 4 |
| 5 | 05/18/2025 | 22:50:52 | -69.96, 14.03 | 129.90 | 05/18/2025 | 22:49:39 | -70.02, 13.74 | 129.82 | 13.23 | 73 |
| 6 | 05/21/2025 | 13:26:26 | -70.28, 154.67 | 130.10 | 05/21/2025 | 13:27:06 | -70.30, 154.74 | 130.09 | 3.33 | 40 |
| 7 | 05/21/2025 | 14:17:09 | 70.14, -37.80 | 49.75 | 05/21/2025 | 14:16:34 | 70.14, -37.84 | 49.75 | 1.64 | 35 |
| 8 | 05/24/2025 | 04:52:46 | 70.69, 102.47 | 49.82 | 05/24/2025 | 04:53:57 | 70.56, 103.38 | 49.66 | 36.43 | 71 |
| 9 | 05/24/2025 | 05:43:22 | -70.25, -89.51 | 130.65 | 05/24/2025 | 05:43:31 | -70.23, -89.47 | 130.68 | 2.70 | 9 |
| 10 | 05/24/2025 | 06:34:05 | 70.11, 78.02 | 49.21 | 05/24/2025 | 06:32:58 | 70.12, 78.02 | 49.22 | 0.56 | 67 |
| 11 | 05/26/2025 | 21:09:36 | 70.30,-141.13 | 48.94 | 05/26/2025 | 21:10:26 | 70.30,-141.11 | 48.93 | 0.56 | 50 |
| 12 | 05/26/2025 | 22:00:18 | -70.17, 26.39 | 131.20 | 05/26/2025 | 21:59:56 | -70.19, 26.36 | 131.18 | 2.29 | 22 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/15/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/15/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9