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: 3/7/2025
| 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 | 03/07/2025 | 21:59:27 | -70.87, 25.33 | 104.16 | 03/07/2025 | 22:00:35 | -70.81, 27.25 | 104.31 | 70.32 | 68 |
| 2 | 03/07/2025 | 22:49:59 | 70.11,-166.14 | 75.02 | 03/07/2025 | 22:50:13 | 70.10,-166.14 | 75.01 | 0.81 | 14 |
| 3 | 03/07/2025 | 23:40:40 | -69.99, 1.36 | 105.13 | 03/07/2025 | 23:39:43 | -69.99, 1.33 | 105.11 | 1.15 | 57 |
| 4 | 03/10/2025 | 14:16:06 | -70.19, 142.22 | 105.94 | 03/10/2025 | 14:17:15 | -70.18, 142.20 | 105.96 | 1.27 | 69 |
| 5 | 03/10/2025 | 15:06:50 | 70.06, -50.28 | 73.91 | 03/10/2025 | 15:06:42 | 70.08, -50.30 | 73.93 | 1.97 | 8 |
| 6 | 03/10/2025 | 15:57:27 | -69.73, 117.55 | 106.46 | 03/10/2025 | 15:56:15 | -69.80, 116.94 | 106.35 | 24.51 | 72 |
| 7 | 03/13/2025 | 06:32:57 | -70.15,-101.93 | 107.04 | 03/13/2025 | 06:33:43 | -70.18,-101.92 | 107.02 | 3.33 | 46 |
| 8 | 03/13/2025 | 07:23:42 | 70.07, 65.50 | 72.87 | 03/13/2025 | 07:23:10 | 70.07, 65.57 | 72.87 | 2.78 | 32 |
| 9 | 03/15/2025 | 21:59:22 | 71.03,-154.88 | 72.84 | 03/15/2025 | 22:00:29 | 70.91,-152.58 | 72.63 | 84.48 | 67 |
| 10 | 03/15/2025 | 22:49:48 | -70.12, 13.91 | 108.14 | 03/15/2025 | 22:50:11 | -70.15, 13.92 | 108.12 | 3.21 | 23 |
| 11 | 03/15/2025 | 23:40:33 | 70.04,-178.67 | 71.77 | 03/15/2025 | 23:39:38 | 70.04,-178.60 | 71.77 | 2.76 | 55 |
| 12 | 03/18/2025 | 14:15:57 | 70.22, -37.78 | 70.92 | 03/18/2025 | 14:17:07 | 70.24, -37.69 | 70.93 | 3.85 | 70 |
| 13 | 03/18/2025 | 15:06:38 | -70.10, 129.74 | 109.23 | 03/18/2025 | 15:06:38 | -70.09, 129.71 | 109.24 | 1.71 | 0 |
| 14 | 03/18/2025 | 15:57:19 | 69.81, -62.52 | 70.46 | 03/18/2025 | 15:56:07 | 69.86, -62.96 | 70.54 | 17.44 | 72 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/7/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/07/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9