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: 2/19/2025
| 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 | 02/19/2025 | 21:59:37 | -70.58, 25.72 | 98.41 | 02/19/2025 | 22:00:48 | -70.47, 26.74 | 98.59 | 40.06 | 71 |
| 2 | 02/19/2025 | 22:50:14 | 70.10,-166.22 | 81.07 | 02/19/2025 | 22:50:20 | 70.09,-166.16 | 81.05 | 2.35 | 6 |
| 3 | 02/19/2025 | 23:40:55 | -69.96, 1.32 | 99.10 | 02/19/2025 | 23:39:50 | -69.98, 1.31 | 99.07 | 1.83 | 65 |
| 4 | 02/22/2025 | 14:16:22 | -70.19, 142.12 | 99.81 | 02/22/2025 | 14:17:20 | -70.17, 142.19 | 99.84 | 3.42 | 58 |
| 5 | 02/22/2025 | 15:07:06 | 70.07, -50.39 | 80.06 | 02/22/2025 | 15:06:47 | 70.06, -50.32 | 80.05 | 3.04 | 19 |
| 6 | 02/22/2025 | 15:57:36 | -69.35, 117.99 | 100.71 | 02/22/2025 | 15:56:27 | -69.40, 116.41 | 100.59 | 62.43 | 69 |
| 7 | 02/25/2025 | 06:33:14 | -70.12,-101.99 | 100.87 | 02/25/2025 | 06:33:47 | -70.15,-101.95 | 100.85 | 3.26 | 33 |
| 8 | 02/25/2025 | 07:23:58 | 70.01, 65.50 | 79.00 | 02/25/2025 | 07:23:15 | 69.98, 65.46 | 78.98 | 2.90 | 43 |
| 9 | 02/27/2025 | 21:59:30 | 70.47,-154.07 | 78.51 | 02/27/2025 | 22:00:41 | 70.36,-153.40 | 78.35 | 28.02 | 71 |
| 10 | 02/27/2025 | 22:50:06 | -70.07, 13.88 | 101.94 | 02/27/2025 | 22:50:14 | -70.08, 13.85 | 101.92 | 2.35 | 8 |
| 11 | 02/27/2025 | 23:40:50 | 69.95,-178.63 | 77.93 | 02/27/2025 | 23:39:41 | 69.97,-178.67 | 77.96 | 2.55 | 69 |
| 12 | 03/02/2025 | 14:16:17 | 70.16, -37.80 | 77.16 | 03/02/2025 | 14:17:09 | 70.19, -37.74 | 77.17 | 3.40 | 52 |
| 13 | 03/02/2025 | 15:06:58 | -70.02, 129.73 | 103.01 | 03/02/2025 | 15:06:40 | -70.03, 129.66 | 103.00 | 2.81 | 18 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/19/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/19/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9