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: 10/5/2025
| 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 | 10/07/2025 | 04:54:32 | -70.29, -76.90 | 104.22 | 10/07/2025 | 04:55:04 | -70.31, -76.95 | 104.21 | 2.52 | 32 |
| 2 | 10/07/2025 | 05:45:16 | 70.20, 90.55 | 75.70 | 10/07/2025 | 05:44:31 | 70.21, 90.55 | 75.71 | 0.62 | 45 |
| 3 | 10/09/2025 | 20:20:52 | 70.59,-128.93 | 77.09 | 10/09/2025 | 20:22:03 | 70.51,-128.41 | 77.01 | 21.05 | 71 |
| 4 | 10/09/2025 | 21:11:31 | -70.31, 38.83 | 103.19 | 10/09/2025 | 21:11:35 | -70.30, 38.91 | 103.20 | 3.20 | 4 |
| 5 | 10/09/2025 | 22:02:14 | 70.17,-153.63 | 76.69 | 10/09/2025 | 22:01:02 | 70.19,-153.60 | 76.71 | 2.52 | 72 |
| 6 | 10/12/2025 | 12:37:45 | 70.36, -12.79 | 77.86 | 10/12/2025 | 12:38:35 | 70.35, -12.78 | 77.85 | 1.63 | 50 |
| 7 | 10/12/2025 | 13:28:27 | -70.24, 154.72 | 102.25 | 10/12/2025 | 13:28:05 | -70.24, 154.71 | 102.25 | 0.80 | 22 |
| 8 | 10/15/2025 | 04:54:42 | 70.30, 103.08 | 78.80 | 10/15/2025 | 04:55:05 | 70.30, 103.04 | 78.80 | 1.62 | 23 |
| 9 | 10/15/2025 | 05:45:25 | -70.22, -89.49 | 101.27 | 10/15/2025 | 05:44:35 | -70.20, -89.47 | 101.30 | 2.94 | 50 |
| 10 | 10/17/2025 | 20:20:56 | -70.38, 51.41 | 100.16 | 10/17/2025 | 20:22:07 | -70.38, 51.40 | 100.15 | 0.57 | 71 |
| 11 | 10/17/2025 | 21:11:39 | 70.24,-141.07 | 79.72 | 10/17/2025 | 21:11:34 | 70.27,-141.12 | 79.75 | 3.37 | 5 |
| 12 | 10/17/2025 | 22:02:19 | -70.01, 26.60 | 100.50 | 10/17/2025 | 22:01:06 | -70.06, 26.21 | 100.46 | 15.80 | 73 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/5/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/05/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9