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: 5/7/2025
| 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 | 05/08/2025 | 05:43:06 | -70.25, -89.48 | 127.00 | 05/08/2025 | 05:43:52 | -70.24, -89.50 | 127.01 | 0.96 | 46 |
| 2 | 05/08/2025 | 06:33:50 | 70.14, 78.00 | 52.88 | 05/08/2025 | 06:33:19 | 70.14, 78.00 | 52.89 | 0.49 | 31 |
| 3 | 05/10/2025 | 21:09:32 | 70.86,-142.02 | 52.94 | 05/10/2025 | 21:10:41 | 70.77,-140.46 | 52.82 | 57.94 | 69 |
| 4 | 05/10/2025 | 22:00:04 | -70.23, 26.31 | 127.72 | 05/10/2025 | 22:00:19 | -70.22, 26.35 | 127.74 | 1.78 | 15 |
| 5 | 05/10/2025 | 22:50:48 | 70.13,-166.22 | 52.17 | 05/10/2025 | 22:49:46 | 70.12,-166.15 | 52.16 | 2.90 | 62 |
| 6 | 05/13/2025 | 13:26:18 | 70.28, -25.32 | 51.67 | 05/13/2025 | 13:27:15 | 70.28, -25.30 | 51.67 | 0.68 | 57 |
| 7 | 05/13/2025 | 14:17:00 | -70.17, 142.17 | 128.46 | 05/13/2025 | 14:16:45 | -70.17, 142.17 | 128.45 | 0.36 | 15 |
| 8 | 05/13/2025 | 15:07:31 | 69.38, -49.35 | 50.73 | 05/13/2025 | 15:06:23 | 69.46, -51.17 | 50.85 | 71.82 | 68 |
| 9 | 05/16/2025 | 05:43:15 | 70.24, 90.52 | 50.99 | 05/16/2025 | 05:43:41 | 70.26, 90.55 | 51.01 | 2.77 | 26 |
| 10 | 05/16/2025 | 06:33:57 | -70.12,-101.98 | 129.14 | 05/16/2025 | 06:33:11 | -70.15,-101.98 | 129.11 | 3.60 | 46 |
| 11 | 05/18/2025 | 21:09:29 | -70.33, 38.83 | 129.50 | 05/18/2025 | 21:10:40 | -70.32, 38.88 | 129.52 | 2.56 | 71 |
| 12 | 05/18/2025 | 22:00:12 | 70.20,-153.65 | 50.36 | 05/18/2025 | 22:00:07 | 70.21,-153.64 | 50.36 | 1.03 | 5 |
| 13 | 05/18/2025 | 22:50:52 | -69.97, 14.02 | 129.89 | 05/18/2025 | 22:49:39 | -69.99, 13.69 | 129.86 | 12.87 | 73 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/7/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/07/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9