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: 7/30/2025
| 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 | 08/01/2025 | 13:26:55 | 70.26, -25.18 | 52.39 | 08/01/2025 | 13:27:35 | 70.25, -25.23 | 52.36 | 2.72 | 40 |
| 2 | 08/01/2025 | 14:17:36 | -70.15, 142.32 | 127.73 | 08/01/2025 | 14:17:05 | -70.14, 142.25 | 127.73 | 3.05 | 31 |
| 3 | 08/04/2025 | 04:53:17 | -71.03, -77.96 | 126.12 | 08/04/2025 | 04:54:25 | -70.93, -75.95 | 126.29 | 73.46 | 68 |
| 4 | 08/04/2025 | 05:43:48 | 70.21, 90.68 | 53.03 | 08/04/2025 | 05:44:03 | 70.23, 90.63 | 53.04 | 2.45 | 15 |
| 5 | 08/04/2025 | 06:34:30 | -70.15,-101.90 | 127.03 | 08/04/2025 | 06:33:33 | -70.12,-101.89 | 127.05 | 3.33 | 57 |
| 6 | 08/06/2025 | 21:09:58 | -70.31, 39.01 | 126.15 | 08/06/2025 | 21:11:05 | -70.30, 38.98 | 126.17 | 1.41 | 67 |
| 7 | 08/06/2025 | 22:00:42 | 70.17,-153.47 | 53.71 | 08/06/2025 | 22:00:32 | 70.19,-153.54 | 53.73 | 3.21 | 10 |
| 8 | 08/06/2025 | 22:51:18 | -69.79, 14.43 | 126.68 | 08/06/2025 | 22:50:06 | -69.86, 13.64 | 126.57 | 31.63 | 72 |
| 9 | 08/09/2025 | 13:26:52 | -70.27, 154.85 | 125.44 | 08/09/2025 | 13:27:34 | -70.24, 154.79 | 125.47 | 3.48 | 42 |
| 10 | 08/09/2025 | 14:17:37 | 70.19, -37.71 | 54.49 | 08/09/2025 | 14:17:00 | 70.18, -37.65 | 54.49 | 2.24 | 37 |
| 11 | 08/12/2025 | 04:53:15 | 70.88, 102.32 | 56.00 | 08/12/2025 | 04:54:24 | 70.76, 103.81 | 55.81 | 56.39 | 69 |
| 12 | 08/12/2025 | 05:43:46 | -70.23, -89.31 | 124.69 | 08/12/2025 | 05:44:02 | -70.22, -89.35 | 124.70 | 1.74 | 16 |
| 13 | 08/12/2025 | 06:34:30 | 70.10, 78.20 | 55.19 | 08/12/2025 | 06:33:29 | 70.11, 78.12 | 55.21 | 2.77 | 61 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/30/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/30/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9