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: 4/11/2025
| 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 | 04/11/2025 | 14:16:15 | -70.21, 142.22 | 118.40 | 04/11/2025 | 14:17:04 | -70.20, 142.20 | 118.42 | 1.47 | 49 |
| 2 | 04/11/2025 | 15:07:00 | 70.12, -50.33 | 61.50 | 04/11/2025 | 15:06:31 | 70.09, -50.30 | 61.47 | 2.55 | 29 |
| 3 | 04/14/2025 | 05:42:45 | 70.89, 89.55 | 61.36 | 04/14/2025 | 05:43:53 | 70.84, 91.40 | 61.25 | 67.43 | 68 |
| 4 | 04/14/2025 | 06:33:15 | -70.19,-101.99 | 119.39 | 04/14/2025 | 06:33:33 | -70.18,-101.94 | 119.41 | 2.04 | 18 |
| 5 | 04/14/2025 | 07:23:58 | 70.05, 65.53 | 60.45 | 04/14/2025 | 07:22:59 | 70.08, 65.55 | 60.48 | 2.85 | 59 |
| 6 | 04/16/2025 | 21:59:31 | 70.21,-153.59 | 59.69 | 04/16/2025 | 22:00:31 | 70.23,-153.64 | 59.70 | 2.46 | 60 |
| 7 | 04/16/2025 | 22:50:13 | -70.13, 13.85 | 120.41 | 04/16/2025 | 22:50:01 | -70.12, 13.84 | 120.42 | 1.54 | 12 |
| 8 | 04/16/2025 | 23:40:46 | 69.42,-177.77 | 58.84 | 04/16/2025 | 23:39:37 | 69.51,-179.35 | 58.98 | 62.45 | 69 |
| 9 | 04/19/2025 | 14:16:30 | 70.17, -37.77 | 58.71 | 04/19/2025 | 14:16:59 | 70.17, -37.84 | 58.70 | 2.73 | 29 |
| 10 | 04/19/2025 | 15:07:12 | -70.09, 129.68 | 121.39 | 04/19/2025 | 15:06:29 | -70.06, 129.65 | 121.41 | 3.10 | 43 |
| 11 | 04/22/2025 | 05:42:46 | -70.32, -89.54 | 122.04 | 04/22/2025 | 05:43:58 | -70.28, -89.43 | 122.09 | 5.45 | 72 |
| 12 | 04/22/2025 | 06:33:29 | 70.14, 78.04 | 57.77 | 04/22/2025 | 06:33:25 | 70.17, 78.05 | 57.79 | 2.86 | 4 |
| 13 | 04/22/2025 | 07:24:09 | -69.95,-114.34 | 122.45 | 04/22/2025 | 07:22:56 | -70.01,-114.54 | 122.38 | 10.20 | 73 |
| 14 | 04/24/2025 | 21:59:44 | -70.24, 26.34 | 123.01 | 04/24/2025 | 22:00:24 | -70.24, 26.40 | 123.02 | 2.27 | 40 |
| 15 | 04/24/2025 | 22:50:27 | 70.13,-166.18 | 56.86 | 04/24/2025 | 22:49:50 | 70.12,-166.12 | 56.86 | 2.11 | 37 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/11/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/11/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9