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: 5/17/2025
| 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 | 05/18/2025 | 21:09:31 | -70.45, 38.64 | 129.38 | 05/18/2025 | 21:10:43 | -70.41, 38.99 | 129.43 | 13.90 | 72 |
| 2 | 05/18/2025 | 22:00:12 | 70.20,-153.65 | 50.36 | 05/18/2025 | 22:00:12 | 70.20,-153.67 | 50.36 | 0.56 | 0 |
| 3 | 05/18/2025 | 22:50:54 | -70.09, 13.84 | 129.77 | 05/18/2025 | 22:49:42 | -70.08, 13.80 | 129.77 | 1.47 | 72 |
| 4 | 05/21/2025 | 13:26:26 | -70.30, 154.64 | 130.08 | 05/21/2025 | 13:27:13 | -70.29, 154.70 | 130.10 | 2.64 | 47 |
| 5 | 05/21/2025 | 14:17:09 | 70.16, -37.83 | 49.77 | 05/21/2025 | 14:16:40 | 70.19, -37.80 | 49.79 | 3.06 | 29 |
| 6 | 05/24/2025 | 04:52:53 | 71.02, 101.92 | 50.16 | 05/24/2025 | 04:54:01 | 70.91, 103.88 | 50.01 | 71.90 | 68 |
| 7 | 05/24/2025 | 05:43:23 | -70.27, -89.54 | 130.63 | 05/24/2025 | 05:43:41 | -70.25, -89.47 | 130.65 | 2.90 | 18 |
| 8 | 05/24/2025 | 06:34:06 | 70.13, 77.99 | 49.23 | 05/24/2025 | 06:33:08 | 70.15, 78.02 | 49.24 | 2.17 | 58 |
| 9 | 05/26/2025 | 21:09:37 | 70.32,-141.16 | 48.96 | 05/26/2025 | 21:10:39 | 70.30,-141.16 | 48.94 | 1.94 | 62 |
| 10 | 05/26/2025 | 22:00:19 | -70.19, 26.36 | 131.18 | 05/26/2025 | 22:00:09 | -70.19, 26.31 | 131.18 | 1.65 | 10 |
| 11 | 05/26/2025 | 22:50:53 | 69.63,-165.49 | 48.24 | 05/26/2025 | 22:49:43 | 69.64,-166.81 | 48.28 | 51.05 | 70 |
| 12 | 05/29/2025 | 13:26:32 | 70.25, -25.28 | 48.46 | 05/29/2025 | 13:27:05 | 70.26, -25.33 | 48.47 | 2.56 | 33 |
| 13 | 05/29/2025 | 14:17:15 | -70.17, 142.16 | 131.63 | 05/29/2025 | 14:16:35 | -70.15, 142.14 | 131.64 | 2.12 | 40 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/17/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/17/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9