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: 8/20/2025
| 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 | 08/22/2025 | 21:10:04 | -70.81, 38.27 | 120.69 | 08/22/2025 | 21:11:14 | -70.68, 39.50 | 120.86 | 47.34 | 70 |
| 2 | 08/22/2025 | 22:00:39 | 70.26,-153.54 | 58.76 | 08/22/2025 | 22:00:46 | 70.26,-153.48 | 58.75 | 2.27 | 7 |
| 3 | 08/22/2025 | 22:51:20 | -70.13, 13.98 | 121.37 | 08/22/2025 | 22:50:16 | -70.14, 13.98 | 121.35 | 0.71 | 64 |
| 4 | 08/25/2025 | 13:26:48 | -70.33, 154.84 | 120.28 | 08/25/2025 | 13:27:49 | -70.32, 154.85 | 120.29 | 0.67 | 61 |
| 5 | 08/25/2025 | 14:17:32 | 70.20, -37.66 | 59.61 | 08/25/2025 | 14:17:16 | 70.22, -37.65 | 59.63 | 1.82 | 16 |
| 6 | 08/25/2025 | 15:08:04 | -69.59, 130.57 | 121.01 | 08/25/2025 | 15:06:54 | -69.67, 129.21 | 120.90 | 53.48 | 70 |
| 7 | 08/28/2025 | 05:43:41 | -70.26, -89.28 | 119.41 | 08/28/2025 | 05:44:19 | -70.27, -89.34 | 119.41 | 2.23 | 38 |
| 8 | 08/28/2025 | 06:34:25 | 70.15, 78.20 | 60.49 | 08/28/2025 | 06:33:46 | 70.17, 78.15 | 60.51 | 2.71 | 39 |
| 9 | 08/30/2025 | 21:10:02 | 70.83,-141.73 | 62.12 | 08/30/2025 | 21:11:12 | 70.69,-140.46 | 61.95 | 48.74 | 70 |
| 10 | 08/30/2025 | 22:00:35 | -70.26, 26.51 | 118.46 | 08/30/2025 | 22:00:48 | -70.26, 26.53 | 118.47 | 0.83 | 13 |
| 11 | 08/30/2025 | 22:51:19 | 70.15,-166.02 | 61.44 | 08/30/2025 | 22:50:15 | 70.15,-165.98 | 61.44 | 1.24 | 64 |
| 12 | 09/02/2025 | 13:26:45 | 70.31, -25.10 | 62.55 | 09/02/2025 | 13:27:46 | 70.34, -25.11 | 62.57 | 2.81 | 61 |
| 13 | 09/02/2025 | 14:17:27 | -70.21, 142.37 | 117.55 | 09/02/2025 | 14:17:16 | -70.23, 142.37 | 117.53 | 2.38 | 11 |
| 14 | 09/02/2025 | 15:08:01 | 69.58, -49.37 | 61.82 | 09/02/2025 | 15:06:52 | 69.62, -50.83 | 61.90 | 57.07 | 69 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/20/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/20/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9