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: 5/11/2025
| 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 | 05/13/2025 | 13:26:19 | 70.30, -25.35 | 51.69 | 05/13/2025 | 13:27:16 | 70.27, -25.32 | 51.66 | 3.04 | 57 |
| 2 | 05/13/2025 | 14:17:00 | -70.14, 142.22 | 128.49 | 05/13/2025 | 14:16:46 | -70.16, 142.15 | 128.47 | 3.52 | 14 |
| 3 | 05/13/2025 | 15:07:32 | 69.40, -49.37 | 50.75 | 05/13/2025 | 15:06:24 | 69.45, -51.19 | 50.84 | 71.15 | 68 |
| 4 | 05/16/2025 | 05:43:16 | 70.25, 90.50 | 51.01 | 05/16/2025 | 05:43:42 | 70.26, 90.55 | 51.01 | 2.22 | 26 |
| 5 | 05/16/2025 | 06:33:58 | -70.14,-102.01 | 129.12 | 05/16/2025 | 06:33:12 | -70.15,-101.98 | 129.11 | 1.50 | 46 |
| 6 | 05/18/2025 | 21:09:29 | -70.35, 38.80 | 129.48 | 05/18/2025 | 21:10:40 | -70.33, 38.90 | 129.51 | 3.94 | 71 |
| 7 | 05/18/2025 | 22:00:12 | 70.21,-153.67 | 50.37 | 05/18/2025 | 22:00:07 | 70.22,-153.61 | 50.38 | 2.62 | 5 |
| 8 | 05/18/2025 | 22:50:52 | -69.98, 14.00 | 129.88 | 05/18/2025 | 22:49:39 | -70.00, 13.70 | 129.85 | 11.34 | 73 |
| 9 | 05/21/2025 | 13:26:25 | -70.25, 154.72 | 130.13 | 05/21/2025 | 13:27:06 | -70.27, 154.70 | 130.12 | 2.25 | 41 |
| 10 | 05/21/2025 | 14:17:09 | 70.17, -37.84 | 49.78 | 05/21/2025 | 14:16:33 | 70.16, -37.81 | 49.77 | 1.49 | 36 |
| 11 | 05/24/2025 | 04:52:46 | 70.67, 102.52 | 49.79 | 05/24/2025 | 04:53:57 | 70.57, 103.40 | 49.67 | 34.29 | 71 |
| 12 | 05/24/2025 | 05:43:22 | -70.22, -89.46 | 130.68 | 05/24/2025 | 05:43:31 | -70.25, -89.44 | 130.66 | 3.09 | 9 |
| 13 | 05/24/2025 | 06:34:06 | 70.14, 77.97 | 49.24 | 05/24/2025 | 06:32:58 | 70.13, 78.04 | 49.23 | 2.64 | 68 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/11/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/11/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9