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: 10/2/2025
| 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 | 10/03/2025 | 04:30:13 | -70.38, -70.67 | 105.68 | 10/03/2025 | 04:29:06 | -70.40, -70.72 | 105.66 | 3.00 | 67 |
| 2 | 10/03/2025 | 05:19:40 | 70.28, 96.83 | 74.23 | 10/03/2025 | 05:19:49 | 70.25, 96.82 | 74.21 | 2.71 | 9 |
| 3 | 10/03/2025 | 06:09:15 | -69.89, -96.08 | 106.14 | 10/03/2025 | 06:10:26 | -69.87, -95.28 | 106.16 | 30.75 | 71 |
| 4 | 10/05/2025 | 20:46:44 | -70.37, 45.20 | 104.66 | 10/05/2025 | 20:46:04 | -70.35, 45.12 | 104.68 | 3.54 | 40 |
| 5 | 10/05/2025 | 21:36:12 | 70.21,-147.39 | 75.20 | 10/05/2025 | 21:36:47 | 70.21,-147.35 | 75.20 | 1.73 | 35 |
| 6 | 10/08/2025 | 12:13:37 | 70.80, -5.92 | 76.79 | 10/08/2025 | 12:12:27 | 70.86, -7.26 | 76.85 | 49.36 | 70 |
| 7 | 10/08/2025 | 13:03:14 | -70.31, 160.99 | 103.70 | 10/08/2025 | 13:03:01 | -70.32, 160.94 | 103.69 | 1.89 | 13 |
| 8 | 10/08/2025 | 13:52:41 | 70.20, -31.53 | 76.21 | 10/08/2025 | 13:53:44 | 70.18, -31.53 | 76.19 | 2.49 | 63 |
| 9 | 10/11/2025 | 04:30:14 | 70.36, 109.30 | 77.35 | 10/11/2025 | 04:29:16 | 70.38, 109.31 | 77.37 | 2.05 | 58 |
| 10 | 10/11/2025 | 05:19:44 | -70.25, -83.22 | 102.74 | 10/11/2025 | 05:19:58 | -70.25, -83.18 | 102.74 | 1.39 | 14 |
| 11 | 10/11/2025 | 06:09:22 | 69.53, 83.42 | 76.56 | 10/11/2025 | 06:10:30 | 69.53, 85.21 | 76.56 | 69.59 | 68 |
| 12 | 10/13/2025 | 20:46:43 | 70.30,-134.90 | 78.30 | 10/13/2025 | 20:46:13 | 70.32,-134.84 | 78.32 | 3.44 | 30 |
| 13 | 10/13/2025 | 21:36:12 | -70.25, 32.67 | 101.74 | 10/13/2025 | 21:36:56 | -70.25, 32.59 | 101.74 | 2.88 | 44 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 10/2/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 10/02/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP