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: 7/8/2025
| 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 | 07/09/2025 | 20:46:00 | 71.11,-133.62 | 48.81 | 07/09/2025 | 20:44:53 | 71.16,-136.15 | 48.96 | 91.14 | 67 |
| 2 | 07/09/2025 | 21:35:44 | -70.24, 32.68 | 132.03 | 07/09/2025 | 21:35:19 | -70.25, 32.66 | 132.01 | 1.55 | 25 |
| 3 | 07/09/2025 | 22:25:11 | 70.13,-159.82 | 47.88 | 07/09/2025 | 22:26:03 | 70.12,-159.83 | 47.86 | 1.53 | 52 |
| 4 | 07/12/2025 | 13:02:42 | 70.33, -18.94 | 48.41 | 07/12/2025 | 13:01:32 | 70.34, -19.01 | 48.44 | 3.00 | 70 |
| 5 | 07/12/2025 | 13:52:12 | -70.22, 148.54 | 131.69 | 07/12/2025 | 13:52:13 | -70.21, 148.51 | 131.69 | 1.52 | 1 |
| 6 | 07/12/2025 | 14:41:42 | 69.94, -44.21 | 48.06 | 07/12/2025 | 14:42:54 | 69.92, -43.74 | 48.01 | 17.93 | 72 |
| 7 | 07/15/2025 | 05:19:11 | 70.29, 96.89 | 48.79 | 07/15/2025 | 05:18:27 | 70.30, 96.83 | 48.81 | 2.76 | 44 |
| 8 | 07/15/2025 | 06:08:41 | -70.18, -95.62 | 131.31 | 07/15/2025 | 06:09:08 | -70.17, -95.65 | 131.33 | 1.97 | 27 |
| 9 | 07/17/2025 | 20:46:00 | -71.06, 46.31 | 130.04 | 07/17/2025 | 20:44:52 | -71.12, 43.94 | 129.88 | 85.42 | 68 |
| 10 | 07/17/2025 | 21:35:40 | 70.24,-147.29 | 49.19 | 07/17/2025 | 21:35:22 | 70.26,-147.34 | 49.22 | 3.31 | 18 |
| 11 | 07/17/2025 | 22:25:10 | -70.14, 20.20 | 130.91 | 07/17/2025 | 22:26:03 | -70.13, 20.18 | 130.91 | 0.76 | 53 |
| 12 | 07/20/2025 | 13:02:42 | -70.29, 161.03 | 130.28 | 07/20/2025 | 13:01:32 | -70.31, 161.06 | 130.25 | 2.09 | 70 |
| 13 | 07/20/2025 | 13:52:09 | 70.17, -31.49 | 49.62 | 07/20/2025 | 13:52:16 | 70.18, -31.43 | 49.62 | 2.25 | 7 |
| 14 | 07/20/2025 | 14:41:42 | -69.91, 135.77 | 130.63 | 07/20/2025 | 14:42:54 | -69.89, 136.32 | 130.68 | 21.45 | 72 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/8/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/08/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP