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: 5/8/2025
| 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 | -70.26, -89.50 | 126.99 | 05/08/2025 | 05:43:51 | -70.28, -89.44 | 126.97 | 3.24 | 45 |
| 2 | 05/08/2025 | 06:33:50 | 70.15, 77.98 | 52.89 | 05/08/2025 | 06:33:19 | 70.13, 77.98 | 52.87 | 2.53 | 31 |
| 3 | 05/10/2025 | 21:09:32 | 70.88,-142.04 | 52.96 | 05/10/2025 | 21:10:41 | 70.76,-140.48 | 52.81 | 58.52 | 69 |
| 4 | 05/10/2025 | 22:00:03 | -70.19, 26.37 | 127.76 | 05/10/2025 | 22:00:19 | -70.21, 26.33 | 127.75 | 2.30 | 16 |
| 5 | 05/10/2025 | 22:50:47 | 70.09,-166.16 | 52.12 | 05/10/2025 | 22:49:46 | 70.10,-166.17 | 52.14 | 1.77 | 61 |
| 6 | 05/13/2025 | 13:26:19 | 70.29, -25.34 | 51.69 | 05/13/2025 | 13:27:16 | 70.27, -25.32 | 51.65 | 2.68 | 57 |
| 7 | 05/13/2025 | 14:17:01 | -70.18, 142.15 | 128.44 | 05/13/2025 | 14:16:46 | -70.16, 142.15 | 128.47 | 2.70 | 15 |
| 8 | 05/13/2025 | 15:07:32 | 69.40, -49.36 | 50.75 | 05/13/2025 | 15:06:24 | 69.44, -51.19 | 50.83 | 71.63 | 68 |
| 9 | 05/16/2025 | 05:43:15 | 70.25, 90.51 | 51.00 | 05/16/2025 | 05:43:41 | 70.25, 90.53 | 51.00 | 0.90 | 26 |
| 10 | 05/16/2025 | 06:33:57 | -70.13,-101.99 | 129.13 | 05/16/2025 | 06:33:11 | -70.14,-102.00 | 129.12 | 0.92 | 46 |
| 11 | 05/18/2025 | 21:09:28 | -70.29, 38.90 | 129.55 | 05/18/2025 | 21:10:40 | -70.31, 38.86 | 129.53 | 2.41 | 72 |
| 12 | 05/18/2025 | 22:00:12 | 70.20,-153.66 | 50.36 | 05/18/2025 | 22:00:07 | 70.19,-153.66 | 50.35 | 1.07 | 5 |
| 13 | 05/18/2025 | 22:50:51 | -69.92, 14.09 | 129.94 | 05/18/2025 | 22:49:39 | -69.98, 13.67 | 129.87 | 17.07 | 72 |
| 14 | 05/21/2025 | 13:26:26 | -70.30, 154.65 | 130.09 | 05/21/2025 | 13:27:05 | -70.28, 154.72 | 130.11 | 3.30 | 39 |
| 15 | 05/21/2025 | 14:17:09 | 70.17, -37.83 | 49.77 | 05/21/2025 | 14:16:32 | 70.17, -37.80 | 49.77 | 1.30 | 37 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/8/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/08/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9