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: 5/6/2025
| 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 | 05/08/2025 | 05:43:06 | -70.23, -89.46 | 127.01 | 05/08/2025 | 05:43:52 | -70.26, -89.48 | 127.00 | 2.62 | 46 |
| 2 | 05/08/2025 | 06:33:50 | 70.13, 78.02 | 52.87 | 05/08/2025 | 06:33:19 | 70.15, 78.02 | 52.90 | 3.06 | 31 |
| 3 | 05/10/2025 | 21:09:33 | 70.91,-142.10 | 52.99 | 05/10/2025 | 21:10:41 | 70.79,-140.44 | 52.83 | 61.75 | 68 |
| 4 | 05/10/2025 | 22:00:04 | -70.22, 26.33 | 127.73 | 05/10/2025 | 22:00:19 | -70.23, 26.37 | 127.72 | 2.28 | 15 |
| 5 | 05/10/2025 | 22:50:47 | 70.12,-166.21 | 52.16 | 05/10/2025 | 22:49:45 | 70.13,-166.13 | 52.17 | 2.92 | 62 |
| 6 | 05/13/2025 | 13:26:18 | 70.28, -25.31 | 51.67 | 05/13/2025 | 13:27:15 | 70.29, -25.29 | 51.68 | 1.97 | 57 |
| 7 | 05/13/2025 | 14:17:00 | -70.16, 142.18 | 128.46 | 05/13/2025 | 14:16:45 | -70.18, 142.18 | 128.44 | 2.22 | 15 |
| 8 | 05/13/2025 | 15:07:32 | 69.43, -49.42 | 50.78 | 05/13/2025 | 15:06:23 | 69.47, -51.16 | 50.86 | 68.24 | 69 |
| 9 | 05/16/2025 | 05:43:15 | 70.24, 90.52 | 50.99 | 05/16/2025 | 05:43:42 | 70.21, 90.48 | 50.96 | 3.30 | 27 |
| 10 | 05/16/2025 | 06:33:57 | -70.12,-101.97 | 129.15 | 05/16/2025 | 06:33:12 | -70.10,-102.04 | 129.16 | 3.02 | 45 |
| 11 | 05/18/2025 | 21:09:29 | -70.34, 38.82 | 129.49 | 05/18/2025 | 21:10:40 | -70.32, 38.88 | 129.52 | 2.96 | 71 |
| 12 | 05/18/2025 | 22:00:12 | 70.20,-153.66 | 50.36 | 05/18/2025 | 22:00:07 | 70.21,-153.64 | 50.37 | 0.89 | 5 |
| 13 | 05/18/2025 | 22:50:52 | -69.97, 14.01 | 129.89 | 05/18/2025 | 22:49:39 | -69.99, 13.69 | 129.86 | 12.50 | 73 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/6/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/06/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9