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: 9/30/2025
| 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 | 09/30/2025 | 12:13:30 | -71.13, 174.60 | 105.96 | 09/30/2025 | 12:12:22 | -71.17, 172.23 | 105.91 | 85.23 | 68 |
| 2 | 09/30/2025 | 13:03:10 | 70.33, -18.98 | 73.25 | 09/30/2025 | 13:02:51 | 70.30, -19.01 | 73.22 | 3.36 | 19 |
| 3 | 09/30/2025 | 13:52:40 | -70.21, 148.48 | 106.86 | 09/30/2025 | 13:53:33 | -70.18, 148.48 | 106.89 | 2.96 | 53 |
| 4 | 10/03/2025 | 04:30:11 | -70.38, -70.66 | 105.69 | 10/03/2025 | 04:29:06 | -70.38, -70.68 | 105.68 | 0.93 | 65 |
| 5 | 10/03/2025 | 05:19:38 | 70.27, 96.84 | 74.23 | 10/03/2025 | 05:19:50 | 70.29, 96.77 | 74.24 | 2.86 | 12 |
| 6 | 10/03/2025 | 06:09:15 | -69.78, -96.24 | 106.26 | 10/03/2025 | 06:10:25 | -69.80, -95.17 | 106.24 | 41.09 | 70 |
| 7 | 10/05/2025 | 20:46:37 | -70.34, 45.18 | 104.69 | 10/05/2025 | 20:46:03 | -70.32, 45.17 | 104.71 | 2.56 | 34 |
| 8 | 10/05/2025 | 21:36:04 | 70.24,-147.33 | 75.22 | 10/05/2025 | 21:36:47 | 70.23,-147.39 | 75.22 | 2.26 | 43 |
| 9 | 10/08/2025 | 12:13:33 | 70.43, -6.42 | 76.42 | 10/08/2025 | 12:12:20 | 70.46, -6.60 | 76.44 | 7.03 | 73 |
| 10 | 10/08/2025 | 13:03:04 | -70.27, 160.97 | 103.74 | 10/08/2025 | 13:03:01 | -70.28, 161.00 | 103.73 | 1.47 | 3 |
| 11 | 10/08/2025 | 13:52:31 | 70.16, -31.54 | 76.17 | 10/08/2025 | 13:53:44 | 70.14, -31.47 | 76.15 | 3.16 | 73 |
| 12 | 10/11/2025 | 04:30:00 | 70.32, 109.31 | 77.31 | 10/11/2025 | 04:29:16 | 70.32, 109.38 | 77.32 | 2.96 | 44 |
| 13 | 10/11/2025 | 05:19:29 | -70.26, -83.14 | 102.73 | 10/11/2025 | 05:19:59 | -70.25, -83.18 | 102.74 | 2.50 | 30 |
| 14 | 10/13/2025 | 19:56:50 | -70.82, 58.32 | 101.19 | 10/13/2025 | 19:55:40 | -70.91, 56.89 | 101.10 | 53.00 | 70 |
| 15 | 10/13/2025 | 20:46:24 | 70.32,-134.78 | 78.32 | 10/13/2025 | 20:46:14 | 70.31,-134.82 | 78.31 | 2.36 | 10 |
| 16 | 10/13/2025 | 21:35:55 | -70.16, 32.62 | 101.83 | 10/13/2025 | 21:36:56 | -70.18, 32.69 | 101.81 | 3.26 | 61 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/30/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/30/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP