Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/19/2025
| Index | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 08/20/2025 | 05:43:45 | 70.25, 90.69 | 57.86 | 08/20/2025 | 05:44:17 | 70.24, 90.62 | 57.85 | 2.84 | 32 |
| 2 | 08/20/2025 | 06:34:27 | -70.18,-101.88 | 122.21 | 08/20/2025 | 06:33:46 | -70.18,-101.83 | 122.20 | 1.72 | 41 |
| 3 | 08/22/2025 | 21:10:03 | -70.78, 38.31 | 120.71 | 08/22/2025 | 21:11:13 | -70.71, 39.54 | 120.83 | 46.03 | 70 |
| 4 | 08/22/2025 | 22:00:39 | 70.24,-153.51 | 58.74 | 08/22/2025 | 22:00:47 | 70.22,-153.53 | 58.72 | 1.84 | 8 |
| 5 | 08/22/2025 | 22:51:20 | -70.11, 14.01 | 121.39 | 08/22/2025 | 22:50:17 | -70.11, 13.94 | 121.38 | 2.55 | 63 |
| 6 | 08/25/2025 | 13:26:48 | -70.30, 154.87 | 120.30 | 08/25/2025 | 13:27:50 | -70.29, 154.81 | 120.32 | 2.57 | 62 |
| 7 | 08/25/2025 | 14:17:32 | 70.18, -37.63 | 59.59 | 08/25/2025 | 14:17:17 | 70.19, -37.70 | 59.60 | 2.55 | 15 |
| 8 | 08/25/2025 | 15:08:05 | -69.63, 130.53 | 120.98 | 08/25/2025 | 15:06:55 | -69.64, 129.17 | 120.92 | 52.62 | 70 |
| 9 | 08/28/2025 | 05:43:42 | -70.30, -89.33 | 119.38 | 08/28/2025 | 05:44:19 | -70.30, -89.30 | 119.38 | 1.34 | 37 |
| 10 | 08/28/2025 | 06:34:26 | 70.18, 78.15 | 60.52 | 08/28/2025 | 06:33:46 | 70.19, 78.19 | 60.53 | 1.78 | 40 |
| 11 | 08/30/2025 | 21:10:01 | 70.81,-141.70 | 62.10 | 08/30/2025 | 21:11:11 | 70.72,-140.42 | 61.98 | 47.98 | 70 |
| 12 | 08/30/2025 | 22:00:34 | -70.24, 26.53 | 118.48 | 08/30/2025 | 22:00:48 | -70.23, 26.49 | 118.49 | 1.94 | 14 |
| 13 | 08/30/2025 | 22:51:18 | 70.14,-165.99 | 61.42 | 08/30/2025 | 22:50:15 | 70.12,-166.02 | 61.42 | 1.83 | 63 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/19/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/19/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9