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: 9/5/2025
| 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 | 09/07/2025 | 21:10:36 | -70.30, 38.97 | 115.50 | 09/07/2025 | 21:11:26 | -70.33, 38.97 | 115.48 | 3.50 | 50 |
| 2 | 09/07/2025 | 22:01:20 | 70.18,-153.54 | 64.39 | 09/07/2025 | 22:00:54 | 70.18,-153.61 | 64.39 | 2.66 | 26 |
| 3 | 09/07/2025 | 22:51:45 | -69.19, 15.25 | 116.61 | 09/07/2025 | 22:50:39 | -69.24, 12.74 | 116.52 | 99.22 | 66 |
| 4 | 09/10/2025 | 12:37:07 | 71.10, -13.90 | 66.32 | 09/10/2025 | 12:38:14 | 71.01, -11.74 | 66.20 | 78.40 | 67 |
| 5 | 09/10/2025 | 13:27:35 | -70.26, 154.79 | 114.53 | 09/10/2025 | 13:27:56 | -70.25, 154.73 | 114.55 | 2.64 | 21 |
| 6 | 09/10/2025 | 14:18:19 | 70.15, -37.73 | 65.37 | 09/10/2025 | 14:17:23 | 70.14, -37.77 | 65.36 | 1.70 | 56 |
| 7 | 09/13/2025 | 04:53:53 | 70.34, 103.10 | 66.56 | 09/13/2025 | 04:54:55 | 70.35, 103.13 | 66.56 | 1.35 | 62 |
| 8 | 09/13/2025 | 05:44:35 | -70.23, -89.41 | 113.55 | 09/13/2025 | 05:44:25 | -70.24, -89.39 | 113.54 | 0.99 | 10 |
| 9 | 09/13/2025 | 06:35:10 | 69.65, 78.78 | 65.88 | 09/13/2025 | 06:34:00 | 69.69, 77.48 | 65.94 | 50.22 | 70 |
| 10 | 09/15/2025 | 21:10:52 | 70.28,-141.04 | 67.52 | 09/15/2025 | 21:11:24 | 70.31,-141.04 | 67.54 | 3.29 | 32 |
| 11 | 09/15/2025 | 22:01:35 | -70.21, 26.38 | 112.54 | 09/15/2025 | 22:00:54 | -70.20, 26.43 | 112.55 | 2.65 | 41 |
| 12 | 09/18/2025 | 12:37:12 | -70.57, 166.94 | 111.17 | 09/18/2025 | 12:38:23 | -70.51, 167.49 | 111.25 | 21.63 | 71 |
| 13 | 09/18/2025 | 13:27:51 | 70.22, -25.19 | 68.49 | 09/18/2025 | 13:27:53 | 70.23, -25.26 | 68.50 | 3.17 | 2 |
| 14 | 09/18/2025 | 14:18:34 | -70.15, 142.23 | 111.57 | 09/18/2025 | 14:17:23 | -70.13, 142.22 | 111.60 | 2.73 | 71 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/5/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/05/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9