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: 10/8/2025
| 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 | 10/08/2025 | 12:13:38 | 70.79, -5.93 | 76.78 | 10/08/2025 | 12:12:28 | 70.88, -7.29 | 76.87 | 50.48 | 70 |
| 2 | 10/08/2025 | 13:03:15 | -70.30, 160.96 | 103.71 | 10/08/2025 | 13:03:01 | -70.29, 160.98 | 103.72 | 1.01 | 14 |
| 3 | 10/08/2025 | 13:52:42 | 70.20, -31.54 | 76.21 | 10/08/2025 | 13:53:45 | 70.20, -31.56 | 76.21 | 0.92 | 63 |
| 4 | 10/11/2025 | 04:30:15 | 70.39, 109.35 | 77.39 | 10/11/2025 | 04:29:17 | 70.38, 109.29 | 77.38 | 2.47 | 58 |
| 5 | 10/11/2025 | 05:19:45 | -70.28, -83.18 | 102.71 | 10/11/2025 | 05:19:59 | -70.26, -83.20 | 102.73 | 2.50 | 14 |
| 6 | 10/11/2025 | 06:09:23 | 69.57, 83.47 | 76.60 | 10/11/2025 | 06:10:31 | 69.54, 85.20 | 76.56 | 67.49 | 68 |
| 7 | 10/13/2025 | 20:46:44 | 70.35,-134.84 | 78.35 | 10/13/2025 | 20:46:14 | 70.36,-134.91 | 78.36 | 3.06 | 30 |
| 8 | 10/13/2025 | 21:36:14 | -70.24, 32.63 | 101.75 | 10/13/2025 | 21:36:56 | -70.24, 32.60 | 101.75 | 1.43 | 42 |
| 9 | 10/16/2025 | 12:13:44 | -70.54, 173.68 | 100.49 | 10/16/2025 | 12:12:31 | -70.60, 173.18 | 100.43 | 19.67 | 73 |
| 10 | 10/16/2025 | 13:03:13 | 70.32, -19.00 | 79.31 | 10/16/2025 | 13:03:11 | 70.30, -19.04 | 79.29 | 2.83 | 2 |
| 11 | 10/16/2025 | 13:52:44 | -70.16, 148.41 | 100.84 | 10/16/2025 | 13:53:53 | -70.18, 148.47 | 100.82 | 2.96 | 69 |
| 12 | 10/19/2025 | 04:30:15 | -70.38, -70.67 | 99.68 | 10/19/2025 | 04:29:25 | -70.38, -70.71 | 99.67 | 1.66 | 50 |
| 13 | 10/19/2025 | 05:19:42 | 70.26, 96.81 | 80.23 | 10/19/2025 | 05:20:08 | 70.24, 96.81 | 80.21 | 2.13 | 26 |
| 14 | 10/19/2025 | 06:09:28 | -69.28, -96.92 | 100.75 | 10/19/2025 | 06:10:34 | -69.28, -94.43 | 100.74 | 97.84 | 66 |
| 15 | 10/21/2025 | 19:57:01 | 71.10,-121.31 | 82.01 | 10/21/2025 | 19:55:53 | 71.14,-123.51 | 82.04 | 79.28 | 68 |
| 16 | 10/21/2025 | 20:46:43 | -70.35, 45.17 | 98.75 | 10/21/2025 | 20:46:22 | -70.34, 45.13 | 98.76 | 1.96 | 21 |
| 17 | 10/21/2025 | 21:36:10 | 70.23,-147.35 | 81.15 | 10/21/2025 | 21:37:05 | 70.20,-147.34 | 81.12 | 3.59 | 55 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 10/8/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 10/08/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP