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: 12/2/2025
| 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 | 12/02/2025 | 04:55:37 | 70.33, 103.00 | 92.21 | 12/02/2025 | 04:55:05 | 70.33, 103.08 | 92.21 | 2.79 | 32 |
| 2 | 12/04/2025 | 19:31:21 | 70.99,-116.94 | 93.24 | 12/04/2025 | 19:32:30 | 70.92,-115.44 | 93.16 | 55.16 | 69 |
| 3 | 12/04/2025 | 20:21:52 | -70.35, 51.42 | 87.41 | 12/04/2025 | 20:22:08 | -70.37, 51.36 | 87.39 | 2.99 | 16 |
| 4 | 12/04/2025 | 21:12:37 | 70.25,-141.12 | 92.50 | 12/04/2025 | 21:11:35 | 70.27,-141.14 | 92.51 | 1.74 | 62 |
| 5 | 12/07/2025 | 11:48:11 | 70.45, -0.29 | 93.01 | 12/07/2025 | 11:49:06 | 70.44, -0.28 | 93.00 | 0.92 | 55 |
| 6 | 12/07/2025 | 12:38:52 | -70.33, 167.21 | 87.11 | 12/07/2025 | 12:38:36 | -70.33, 167.19 | 87.11 | 0.83 | 16 |
| 7 | 12/07/2025 | 13:29:23 | 69.49, -24.21 | 92.06 | 12/07/2025 | 13:28:15 | 69.56, -26.24 | 92.14 | 79.07 | 68 |
| 8 | 12/10/2025 | 04:05:11 | 70.39, 115.57 | 93.21 | 12/10/2025 | 04:05:35 | 70.38, 115.51 | 93.20 | 2.36 | 24 |
| 9 | 12/10/2025 | 04:55:53 | -70.32, -77.01 | 86.86 | 12/10/2025 | 04:55:04 | -70.32, -76.94 | 86.86 | 2.63 | 49 |
| 10 | 12/12/2025 | 19:31:27 | -70.47, 63.89 | 86.50 | 12/12/2025 | 19:32:36 | -70.45, 63.86 | 86.52 | 2.87 | 69 |
| 11 | 12/12/2025 | 20:22:11 | 70.33,-128.59 | 93.37 | 12/12/2025 | 20:22:03 | 70.34,-128.66 | 93.37 | 2.81 | 8 |
| 12 | 12/12/2025 | 21:12:48 | -69.99, 39.25 | 86.97 | 12/12/2025 | 21:11:36 | -70.06, 38.58 | 86.90 | 26.66 | 72 |
| 13 | 12/15/2025 | 11:48:27 | -70.42, 179.73 | 86.39 | 12/15/2025 | 11:49:03 | -70.44, 179.73 | 86.38 | 2.07 | 36 |
| 14 | 12/15/2025 | 12:39:12 | 70.34, -12.83 | 93.53 | 12/15/2025 | 12:38:30 | 70.32, -12.79 | 93.52 | 2.10 | 42 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/2/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/02/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9