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: 7/4/2025
| 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 | 07/04/2025 | 13:02:44 | -70.34, 161.06 | 132.52 | 07/04/2025 | 13:01:30 | -70.40, 160.87 | 132.44 | 9.98 | 74 |
| 2 | 07/04/2025 | 13:52:12 | 70.19, -31.52 | 47.34 | 07/04/2025 | 13:52:12 | 70.17, -31.46 | 47.33 | 2.44 | 0 |
| 3 | 07/04/2025 | 14:41:42 | -70.07, 135.95 | 132.77 | 07/04/2025 | 14:42:54 | -70.09, 135.98 | 132.76 | 2.44 | 72 |
| 4 | 07/07/2025 | 05:19:14 | -70.29, -83.12 | 132.29 | 07/07/2025 | 05:18:24 | -70.30, -83.19 | 132.28 | 2.82 | 50 |
| 5 | 07/07/2025 | 06:08:41 | 70.19, 84.37 | 47.61 | 07/07/2025 | 06:09:08 | 70.18, 84.31 | 47.60 | 2.75 | 27 |
| 6 | 07/07/2025 | 06:58:27 | -69.20,-109.35 | 133.32 | 07/07/2025 | 06:59:33 | -69.20,-106.93 | 133.42 | 95.82 | 66 |
| 7 | 07/09/2025 | 20:46:00 | 71.10,-133.64 | 48.80 | 07/09/2025 | 20:44:53 | 71.18,-136.18 | 48.97 | 91.51 | 67 |
| 8 | 07/09/2025 | 21:35:44 | -70.23, 32.67 | 132.04 | 07/09/2025 | 21:35:19 | -70.26, 32.65 | 132.00 | 2.92 | 25 |
| 9 | 07/09/2025 | 22:25:11 | 70.12,-159.84 | 47.87 | 07/09/2025 | 22:26:03 | 70.13,-159.85 | 47.87 | 1.02 | 52 |
| 10 | 07/12/2025 | 13:02:42 | 70.31, -18.96 | 48.40 | 07/12/2025 | 13:01:31 | 70.30, -18.95 | 48.40 | 1.64 | 71 |
| 11 | 07/12/2025 | 13:52:12 | -70.21, 148.53 | 131.69 | 07/12/2025 | 13:52:13 | -70.22, 148.49 | 131.68 | 1.67 | 1 |
| 12 | 07/12/2025 | 14:41:42 | 69.93, -44.22 | 48.05 | 07/12/2025 | 14:42:54 | 69.93, -43.77 | 48.03 | 17.42 | 72 |
| 13 | 07/15/2025 | 05:19:11 | 70.27, 96.87 | 48.77 | 07/15/2025 | 05:18:26 | 70.26, 96.88 | 48.77 | 1.01 | 45 |
| 14 | 07/15/2025 | 06:08:41 | -70.17, -95.64 | 131.32 | 07/15/2025 | 06:09:08 | -70.18, -95.68 | 131.31 | 1.98 | 27 |
| 15 | 07/17/2025 | 20:45:59 | -71.10, 46.37 | 130.00 | 07/17/2025 | 20:44:52 | -71.14, 43.91 | 129.86 | 88.64 | 67 |
| 16 | 07/17/2025 | 21:35:40 | 70.22,-147.32 | 49.17 | 07/17/2025 | 21:35:21 | 70.24,-147.30 | 49.19 | 1.97 | 19 |
| 17 | 07/17/2025 | 22:25:10 | -70.12, 20.17 | 130.92 | 07/17/2025 | 22:26:02 | -70.10, 20.23 | 130.95 | 2.76 | 52 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/4/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/04/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP