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: 11/27/2025
| 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 | 11/28/2025 | 03:40:41 | -70.94, -57.49 | 87.83 | 11/28/2025 | 03:39:31 | -70.99, -59.01 | 87.78 | 55.56 | 70 |
| 2 | 11/28/2025 | 04:30:17 | 70.35, 109.27 | 91.58 | 11/28/2025 | 04:30:06 | 70.37, 109.31 | 91.60 | 2.45 | 11 |
| 3 | 11/28/2025 | 05:19:47 | -70.24, -83.27 | 88.53 | 11/28/2025 | 05:20:47 | -70.25, -83.19 | 88.51 | 3.26 | 60 |
| 4 | 11/30/2025 | 19:57:17 | -70.45, 57.65 | 87.89 | 11/30/2025 | 19:56:21 | -70.43, 57.67 | 87.91 | 2.55 | 56 |
| 5 | 11/30/2025 | 20:46:44 | 70.34,-134.86 | 92.02 | 11/30/2025 | 20:47:06 | 70.33,-134.88 | 92.01 | 1.48 | 22 |
| 6 | 11/30/2025 | 21:36:27 | -69.52, 31.62 | 88.80 | 11/30/2025 | 21:37:34 | -69.53, 33.66 | 88.80 | 79.55 | 67 |
| 7 | 12/03/2025 | 11:24:02 | 71.24, 7.11 | 93.30 | 12/03/2025 | 11:22:55 | 71.25, 4.74 | 93.32 | 84.98 | 67 |
| 8 | 12/03/2025 | 12:13:45 | -70.42, 173.49 | 87.52 | 12/03/2025 | 12:13:22 | -70.39, 173.47 | 87.54 | 2.67 | 23 |
| 9 | 12/03/2025 | 13:03:12 | 70.31, -19.02 | 92.38 | 12/03/2025 | 13:04:07 | 70.30, -19.07 | 92.37 | 2.00 | 55 |
| 10 | 12/06/2025 | 03:40:43 | 70.47, 121.82 | 92.87 | 12/06/2025 | 03:39:41 | 70.44, 121.84 | 92.85 | 3.32 | 62 |
| 11 | 12/06/2025 | 04:30:13 | -70.36, -70.71 | 87.23 | 12/06/2025 | 04:30:23 | -70.37, -70.73 | 87.22 | 1.18 | 10 |
| 12 | 12/06/2025 | 05:19:49 | 69.75, 96.08 | 92.17 | 12/06/2025 | 05:20:58 | 69.75, 97.53 | 92.16 | 55.86 | 69 |
| 13 | 12/08/2025 | 19:57:10 | 70.44,-122.34 | 93.14 | 12/08/2025 | 19:56:42 | 70.42,-122.38 | 93.13 | 2.17 | 28 |
| 14 | 12/08/2025 | 20:46:41 | -70.28, 45.06 | 87.02 | 12/08/2025 | 20:47:23 | -70.30, 45.14 | 87.00 | 3.70 | 42 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/27/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/27/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP