Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/16/2025
| Index | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 09/17/2025 | 04:30:00 | -71.05, -69.65 | 111.23 | 09/17/2025 | 04:28:52 | -71.07, -71.77 | 111.17 | 76.34 | 68 |
| 2 | 09/17/2025 | 05:19:39 | 70.30, 96.85 | 68.05 | 09/17/2025 | 05:19:23 | 70.29, 96.82 | 68.04 | 1.41 | 16 |
| 3 | 09/17/2025 | 06:09:08 | -70.18, -95.68 | 112.06 | 09/17/2025 | 06:10:04 | -70.18, -95.69 | 112.06 | 0.64 | 56 |
| 4 | 09/19/2025 | 20:46:42 | -70.37, 45.19 | 110.87 | 09/19/2025 | 20:45:38 | -70.38, 45.14 | 110.85 | 2.27 | 64 |
| 5 | 09/19/2025 | 21:36:10 | 70.21,-147.39 | 69.00 | 09/19/2025 | 21:36:21 | 70.22,-147.32 | 69.01 | 3.37 | 11 |
| 6 | 09/19/2025 | 22:25:46 | -69.77, 19.62 | 111.43 | 09/19/2025 | 22:26:56 | -69.74, 20.73 | 111.47 | 42.91 | 70 |
| 7 | 09/22/2025 | 13:03:13 | -70.32, 161.00 | 109.87 | 09/22/2025 | 13:02:37 | -70.31, 161.00 | 109.88 | 0.83 | 36 |
| 8 | 09/22/2025 | 13:52:40 | 70.21, -31.51 | 70.04 | 09/22/2025 | 13:53:21 | 70.22, -31.55 | 70.04 | 1.57 | 41 |
| 9 | 09/25/2025 | 04:30:11 | 70.53, 109.55 | 71.36 | 09/25/2025 | 04:28:58 | 70.59, 109.00 | 71.43 | 21.54 | 73 |
| 10 | 09/25/2025 | 05:19:44 | -70.26, -83.21 | 108.90 | 09/25/2025 | 05:19:36 | -70.26, -83.15 | 108.90 | 2.25 | 8 |
| 11 | 09/25/2025 | 06:09:11 | 70.15, 84.27 | 71.01 | 09/25/2025 | 06:10:20 | 70.17, 84.29 | 71.03 | 2.35 | 69 |
| 12 | 09/27/2025 | 20:46:44 | 70.33,-134.86 | 72.21 | 09/27/2025 | 20:45:53 | 70.33,-134.83 | 72.22 | 1.03 | 51 |
| 13 | 09/27/2025 | 21:36:14 | -70.23, 32.63 | 107.88 | 09/27/2025 | 21:36:35 | -70.21, 32.68 | 107.91 | 3.35 | 21 |
| 14 | 09/30/2025 | 12:13:31 | -71.21, 174.73 | 105.88 | 09/30/2025 | 12:12:24 | -71.26, 172.09 | 105.82 | 94.60 | 67 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/16/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/16/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP