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: 1/9/2025
| 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 | 01/10/2025 | 21:59:33 | 70.48,-154.17 | 92.29 | 01/10/2025 | 22:00:44 | 70.39,-153.32 | 92.16 | 33.42 | 71 |
| 2 | 01/10/2025 | 22:50:09 | -70.05, 13.81 | 88.17 | 01/10/2025 | 22:50:18 | -70.06, 13.84 | 88.17 | 1.32 | 9 |
| 3 | 01/10/2025 | 23:40:53 | 69.95,-178.73 | 91.73 | 01/10/2025 | 23:39:45 | 69.95,-178.66 | 91.73 | 2.53 | 68 |
| 4 | 01/13/2025 | 14:16:23 | 70.10, -37.81 | 91.46 | 01/13/2025 | 14:17:18 | 70.09, -37.87 | 91.44 | 2.48 | 55 |
| 5 | 01/13/2025 | 15:07:05 | -69.99, 129.67 | 88.67 | 01/13/2025 | 15:06:48 | -69.98, 129.62 | 88.67 | 2.27 | 17 |
| 6 | 01/13/2025 | 15:57:35 | 69.15, -61.79 | 90.46 | 01/13/2025 | 15:56:27 | 69.21, -63.79 | 90.59 | 79.07 | 68 |
| 7 | 01/16/2025 | 06:33:19 | 70.05, 78.03 | 90.93 | 01/16/2025 | 06:33:46 | 70.08, 78.01 | 90.95 | 3.13 | 27 |
| 8 | 01/16/2025 | 07:24:02 | -69.99,-114.56 | 89.15 | 01/16/2025 | 07:23:16 | -69.98,-114.50 | 89.16 | 2.34 | 46 |
| 9 | 01/18/2025 | 21:59:33 | -70.26, 26.17 | 89.39 | 01/18/2025 | 22:00:45 | -70.20, 26.43 | 89.46 | 11.43 | 72 |
| 10 | 01/18/2025 | 22:50:14 | 70.01,-166.14 | 90.35 | 01/18/2025 | 22:50:13 | 70.03,-166.17 | 90.37 | 2.29 | 1 |
| 11 | 01/18/2025 | 23:40:56 | -69.89, 1.35 | 89.79 | 01/18/2025 | 23:39:43 | -69.93, 1.32 | 89.74 | 4.45 | 73 |
| 12 | 01/21/2025 | 14:16:27 | -70.12, 142.15 | 90.11 | 01/21/2025 | 14:17:13 | -70.12, 142.20 | 90.12 | 1.84 | 46 |
| 13 | 01/21/2025 | 15:07:10 | 69.99, -50.33 | 89.75 | 01/21/2025 | 15:06:40 | 70.00, -50.33 | 89.76 | 1.60 | 30 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/9/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/09/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9