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: 9/20/2025
| 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 | 09/22/2025 | 13:03:12 | -70.34, 161.03 | 109.85 | 09/22/2025 | 13:02:37 | -70.34, 160.95 | 109.85 | 2.85 | 35 |
| 2 | 09/22/2025 | 13:52:40 | 70.19, -31.55 | 70.01 | 09/22/2025 | 13:53:20 | 70.19, -31.50 | 70.01 | 1.86 | 40 |
| 3 | 09/25/2025 | 04:30:10 | 70.54, 109.57 | 71.38 | 09/25/2025 | 04:28:58 | 70.61, 108.96 | 71.46 | 23.90 | 72 |
| 4 | 09/25/2025 | 05:19:43 | -70.26, -83.20 | 108.89 | 09/25/2025 | 05:19:36 | -70.28, -83.20 | 108.87 | 2.18 | 7 |
| 5 | 09/25/2025 | 06:09:10 | 70.16, 84.29 | 71.03 | 09/25/2025 | 06:10:19 | 70.14, 84.34 | 71.00 | 3.07 | 69 |
| 6 | 09/27/2025 | 20:46:43 | 70.33,-134.86 | 72.21 | 09/27/2025 | 20:45:53 | 70.36,-134.87 | 72.24 | 3.63 | 50 |
| 7 | 09/27/2025 | 21:36:13 | -70.22, 32.61 | 107.89 | 09/27/2025 | 21:36:35 | -70.24, 32.64 | 107.88 | 2.21 | 22 |
| 8 | 09/30/2025 | 12:13:31 | -71.18, 174.67 | 105.92 | 09/30/2025 | 12:12:24 | -71.24, 172.12 | 105.84 | 91.72 | 67 |
| 9 | 09/30/2025 | 13:03:12 | 70.31, -19.01 | 73.23 | 09/30/2025 | 13:02:52 | 70.32, -19.05 | 73.24 | 2.23 | 20 |
| 10 | 09/30/2025 | 13:52:42 | -70.20, 148.47 | 106.87 | 09/30/2025 | 13:53:34 | -70.19, 148.46 | 106.88 | 0.85 | 52 |
| 11 | 10/03/2025 | 04:30:13 | -70.38, -70.67 | 105.69 | 10/03/2025 | 04:29:06 | -70.37, -70.68 | 105.69 | 0.74 | 67 |
| 12 | 10/03/2025 | 05:19:40 | 70.26, 96.82 | 74.22 | 10/03/2025 | 05:19:49 | 70.24, 96.84 | 74.20 | 3.08 | 9 |
| 13 | 10/03/2025 | 06:09:15 | -69.89, -96.09 | 106.15 | 10/03/2025 | 06:10:26 | -69.84, -95.24 | 106.19 | 32.78 | 71 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/20/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/20/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP