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: 8/6/2025
| 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 | 08/06/2025 | 22:00:42 | 70.18,-153.49 | 53.73 | 08/06/2025 | 22:00:39 | 70.20,-153.55 | 53.75 | 3.39 | 3 |
| 2 | 08/06/2025 | 22:51:22 | -70.02, 14.09 | 126.44 | 08/06/2025 | 22:50:10 | -70.03, 13.84 | 126.41 | 9.37 | 72 |
| 3 | 08/09/2025 | 13:26:52 | -70.28, 154.83 | 125.42 | 08/09/2025 | 13:27:44 | -70.27, 154.78 | 125.44 | 2.61 | 52 |
| 4 | 08/09/2025 | 14:17:37 | 70.19, -37.73 | 54.50 | 08/09/2025 | 14:17:11 | 70.17, -37.73 | 54.47 | 3.08 | 26 |
| 5 | 08/09/2025 | 15:08:02 | -69.23, 131.02 | 126.49 | 08/09/2025 | 15:06:55 | -69.29, 128.70 | 126.35 | 91.52 | 67 |
| 6 | 08/12/2025 | 05:43:47 | -70.30, -89.41 | 124.62 | 08/12/2025 | 05:44:15 | -70.28, -89.34 | 124.65 | 3.53 | 28 |
| 7 | 08/12/2025 | 06:34:31 | 70.16, 78.11 | 55.25 | 08/12/2025 | 06:33:42 | 70.17, 78.16 | 55.27 | 2.17 | 49 |
| 8 | 08/14/2025 | 21:10:03 | 70.54,-141.34 | 56.45 | 08/14/2025 | 21:11:14 | 70.48,-140.79 | 56.36 | 21.54 | 71 |
| 9 | 08/14/2025 | 22:00:40 | -70.21, 26.51 | 123.89 | 08/14/2025 | 22:00:47 | -70.21, 26.45 | 123.89 | 2.34 | 7 |
| 10 | 08/14/2025 | 22:51:25 | 70.13,-166.06 | 56.04 | 08/14/2025 | 22:50:14 | 70.11,-166.06 | 56.02 | 2.56 | 71 |
| 11 | 08/17/2025 | 13:26:52 | 70.31, -25.18 | 57.05 | 08/17/2025 | 13:27:47 | 70.29, -25.19 | 57.03 | 1.54 | 55 |
| 12 | 08/17/2025 | 14:17:33 | -70.18, 142.34 | 123.08 | 08/17/2025 | 14:17:17 | -70.19, 142.30 | 123.07 | 2.39 | 16 |
| 13 | 08/17/2025 | 15:08:04 | 69.36, -49.14 | 56.09 | 08/17/2025 | 15:06:56 | 69.42, -51.13 | 56.21 | 78.35 | 68 |
| 14 | 08/20/2025 | 05:43:46 | 70.28, 90.64 | 57.89 | 08/20/2025 | 05:44:18 | 70.25, 90.63 | 57.85 | 3.54 | 32 |
| 15 | 08/20/2025 | 06:34:27 | -70.15,-101.83 | 122.24 | 08/20/2025 | 06:33:48 | -70.15,-101.88 | 122.23 | 1.83 | 39 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/6/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/06/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9