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: 8/20/2025
| 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 | 08/21/2025 | 13:02:49 | -71.01, 162.07 | 120.98 | 08/21/2025 | 13:01:41 | -71.06, 159.96 | 120.87 | 76.59 | 68 |
| 2 | 08/21/2025 | 13:52:28 | 70.26, -31.42 | 58.31 | 08/21/2025 | 13:52:12 | 70.25, -31.41 | 58.30 | 1.50 | 16 |
| 3 | 08/21/2025 | 14:41:58 | -70.15, 136.05 | 121.80 | 08/21/2025 | 14:42:53 | -70.12, 136.10 | 121.83 | 3.05 | 55 |
| 4 | 08/24/2025 | 05:19:31 | -70.30, -83.11 | 120.77 | 08/24/2025 | 05:18:21 | -70.31, -83.04 | 120.75 | 3.07 | 70 |
| 5 | 08/24/2025 | 06:08:57 | 70.26, 84.46 | 59.20 | 08/24/2025 | 06:09:06 | 70.24, 84.39 | 59.19 | 3.42 | 9 |
| 6 | 08/24/2025 | 06:58:31 | -69.93,-108.38 | 121.11 | 08/24/2025 | 06:59:43 | -69.90,-107.77 | 121.16 | 23.32 | 72 |
| 7 | 08/26/2025 | 21:36:00 | -70.29, 32.75 | 119.86 | 08/26/2025 | 21:35:15 | -70.30, 32.77 | 119.84 | 1.77 | 45 |
| 8 | 08/26/2025 | 22:25:27 | 70.18,-159.76 | 60.05 | 08/26/2025 | 22:25:59 | 70.18,-159.74 | 60.05 | 0.86 | 32 |
| 9 | 08/29/2025 | 13:02:48 | 70.96, -17.99 | 61.73 | 08/29/2025 | 13:01:39 | 71.02, -19.93 | 61.84 | 70.85 | 69 |
| 10 | 08/29/2025 | 13:52:29 | -70.25, 148.58 | 118.95 | 08/29/2025 | 13:52:08 | -70.24, 148.64 | 118.96 | 2.51 | 21 |
| 11 | 08/29/2025 | 14:41:55 | 70.14, -43.93 | 60.96 | 08/29/2025 | 14:42:51 | 70.13, -43.88 | 60.94 | 2.54 | 56 |
| 12 | 09/01/2025 | 05:19:26 | 70.36, 97.00 | 62.11 | 09/01/2025 | 05:18:19 | 70.34, 96.96 | 62.09 | 2.89 | 67 |
| 13 | 09/01/2025 | 06:08:56 | -70.26, -95.52 | 117.99 | 09/01/2025 | 06:09:01 | -70.24, -95.57 | 118.00 | 2.53 | 5 |
| 14 | 09/01/2025 | 06:58:29 | 69.82, 71.49 | 61.60 | 09/01/2025 | 06:59:39 | 69.82, 72.38 | 61.58 | 34.12 | 70 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 8/20/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 08/20/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP