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: 4/7/2025
| 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 | 04/08/2025 | 21:59:19 | -70.46, 26.08 | 117.15 | 04/08/2025 | 22:00:31 | -70.39, 26.60 | 117.24 | 20.99 | 72 |
| 2 | 04/08/2025 | 22:50:00 | 70.15,-166.14 | 62.53 | 04/08/2025 | 22:50:01 | 70.12,-166.14 | 62.49 | 3.57 | 1 |
| 3 | 04/08/2025 | 23:40:41 | -70.03, 1.36 | 117.61 | 04/08/2025 | 23:39:31 | -70.01, 1.34 | 117.63 | 2.57 | 70 |
| 4 | 04/11/2025 | 14:16:15 | -70.22, 142.21 | 118.39 | 04/11/2025 | 14:17:05 | -70.21, 142.21 | 118.40 | 0.79 | 50 |
| 5 | 04/11/2025 | 15:06:59 | 70.08, -50.27 | 61.46 | 04/11/2025 | 15:06:32 | 70.10, -50.29 | 61.48 | 3.19 | 27 |
| 6 | 04/11/2025 | 15:57:24 | -69.11, 118.47 | 119.56 | 04/11/2025 | 15:56:17 | -69.17, 116.07 | 119.43 | 95.17 | 67 |
| 7 | 04/14/2025 | 05:42:47 | 71.01, 89.35 | 61.48 | 04/14/2025 | 05:43:54 | 70.95, 91.56 | 61.36 | 80.26 | 67 |
| 8 | 04/14/2025 | 06:33:15 | -70.20,-102.01 | 119.38 | 04/14/2025 | 06:33:36 | -70.19,-101.94 | 119.40 | 2.76 | 21 |
| 9 | 04/14/2025 | 07:23:59 | 70.07, 65.50 | 60.47 | 04/14/2025 | 07:23:03 | 70.08, 65.55 | 60.49 | 2.37 | 56 |
| 10 | 04/16/2025 | 21:59:32 | 70.23,-153.62 | 59.71 | 04/16/2025 | 22:00:38 | 70.22,-153.67 | 59.69 | 2.73 | 66 |
| 11 | 04/16/2025 | 22:50:13 | -70.15, 13.83 | 120.39 | 04/16/2025 | 22:50:06 | -70.17, 13.89 | 120.37 | 3.35 | 7 |
| 12 | 04/16/2025 | 23:40:50 | 69.65,-178.11 | 59.08 | 04/16/2025 | 23:39:39 | 69.73,-179.08 | 59.19 | 38.59 | 71 |
| 13 | 04/19/2025 | 14:16:30 | 70.20, -37.80 | 58.74 | 04/19/2025 | 14:17:08 | 70.19, -37.85 | 58.72 | 2.03 | 38 |
| 14 | 04/19/2025 | 15:07:12 | -70.11, 129.65 | 121.37 | 04/19/2025 | 15:06:38 | -70.09, 129.64 | 121.39 | 2.21 | 34 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/7/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/07/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9