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: 7/31/2025
| 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 | 70.27, -25.18 | 52.39 | 08/01/2025 | 13:27:34 | 70.29, -25.16 | 52.41 | 3.24 | 39 |
| 2 | 08/01/2025 | 14:17:36 | -70.16, 142.31 | 127.72 | 08/01/2025 | 14:17:04 | -70.18, 142.32 | 127.69 | 3.22 | 32 |
| 3 | 08/04/2025 | 04:53:18 | -71.04, -77.97 | 126.11 | 08/04/2025 | 04:54:26 | -70.93, -75.97 | 126.30 | 73.64 | 68 |
| 4 | 08/04/2025 | 05:43:49 | 70.22, 90.67 | 53.04 | 08/04/2025 | 05:44:04 | 70.22, 90.62 | 53.04 | 2.06 | 15 |
| 5 | 08/04/2025 | 06:34:30 | -70.10,-101.83 | 127.08 | 08/04/2025 | 06:33:34 | -70.11,-101.90 | 127.06 | 2.89 | 56 |
| 6 | 08/06/2025 | 21:09:58 | -70.31, 39.00 | 126.15 | 08/06/2025 | 21:11:05 | -70.29, 38.97 | 126.18 | 2.83 | 67 |
| 7 | 08/06/2025 | 22:00:42 | 70.17,-153.48 | 53.72 | 08/06/2025 | 22:00:32 | 70.18,-153.55 | 53.73 | 2.74 | 10 |
| 8 | 08/06/2025 | 22:51:18 | -69.79, 14.42 | 126.67 | 08/06/2025 | 22:50:06 | -69.86, 13.62 | 126.58 | 31.32 | 72 |
| 9 | 08/09/2025 | 13:26:52 | -70.27, 154.84 | 125.43 | 08/09/2025 | 13:27:33 | -70.29, 154.85 | 125.42 | 1.85 | 41 |
| 10 | 08/09/2025 | 14:17:37 | 70.19, -37.72 | 54.50 | 08/09/2025 | 14:17:00 | 70.17, -37.67 | 54.48 | 2.76 | 37 |
| 11 | 08/12/2025 | 04:53:15 | 70.89, 102.31 | 56.00 | 08/12/2025 | 04:54:24 | 70.75, 103.80 | 55.80 | 56.63 | 69 |
| 12 | 08/12/2025 | 05:43:46 | -70.24, -89.32 | 124.68 | 08/12/2025 | 05:44:02 | -70.21, -89.37 | 124.71 | 3.26 | 16 |
| 13 | 08/12/2025 | 06:34:30 | 70.11, 78.19 | 55.20 | 08/12/2025 | 06:33:29 | 70.10, 78.11 | 55.20 | 3.25 | 61 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/31/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/31/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9