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: 8/17/2025
| 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 | 08/17/2025 | 13:26:52 | 70.31, -25.19 | 57.05 | 08/17/2025 | 13:27:46 | 70.31, -25.17 | 57.04 | 1.07 | 54 |
| 2 | 08/17/2025 | 14:17:33 | -70.20, 142.31 | 123.06 | 08/17/2025 | 14:17:16 | -70.19, 142.30 | 123.06 | 0.75 | 17 |
| 3 | 08/17/2025 | 15:08:03 | 69.31, -49.07 | 56.04 | 08/17/2025 | 15:06:56 | 69.38, -51.19 | 56.17 | 83.35 | 67 |
| 4 | 08/20/2025 | 05:43:45 | 70.24, 90.70 | 57.85 | 08/20/2025 | 05:44:17 | 70.25, 90.63 | 57.85 | 2.87 | 32 |
| 5 | 08/20/2025 | 06:34:27 | -70.17,-101.87 | 122.22 | 08/20/2025 | 06:33:46 | -70.19,-101.82 | 122.20 | 2.70 | 41 |
| 6 | 08/22/2025 | 21:10:03 | -70.78, 38.32 | 120.72 | 08/22/2025 | 21:11:13 | -70.72, 39.55 | 120.82 | 45.61 | 70 |
| 7 | 08/22/2025 | 22:00:39 | 70.23,-153.50 | 58.73 | 08/22/2025 | 22:00:47 | 70.23,-153.52 | 58.72 | 0.96 | 8 |
| 8 | 08/22/2025 | 22:51:20 | -70.10, 14.03 | 121.40 | 08/22/2025 | 22:50:17 | -70.12, 13.96 | 121.37 | 3.37 | 63 |
| 9 | 08/25/2025 | 13:26:48 | -70.29, 154.89 | 120.31 | 08/25/2025 | 13:27:50 | -70.30, 154.82 | 120.31 | 2.80 | 62 |
| 10 | 08/25/2025 | 14:17:33 | 70.23, -37.70 | 59.63 | 08/25/2025 | 14:17:17 | 70.19, -37.69 | 59.60 | 3.47 | 16 |
| 11 | 08/25/2025 | 15:08:05 | -69.61, 130.54 | 120.99 | 08/25/2025 | 15:06:55 | -69.65, 129.18 | 120.92 | 52.96 | 70 |
| 12 | 08/28/2025 | 05:43:41 | -70.28, -89.31 | 119.39 | 08/28/2025 | 05:44:18 | -70.31, -89.29 | 119.37 | 2.94 | 37 |
| 13 | 08/28/2025 | 06:34:25 | 70.17, 78.17 | 60.51 | 08/28/2025 | 06:33:45 | 70.20, 78.20 | 60.54 | 3.22 | 40 |
| 14 | 08/30/2025 | 21:10:02 | 70.85,-141.76 | 62.14 | 08/30/2025 | 21:11:11 | 70.73,-140.41 | 61.98 | 51.21 | 69 |
| 15 | 08/30/2025 | 22:00:34 | -70.22, 26.56 | 118.50 | 08/30/2025 | 22:00:48 | -70.24, 26.50 | 118.49 | 2.94 | 14 |
| 16 | 08/30/2025 | 22:51:18 | 70.12,-165.97 | 61.41 | 08/30/2025 | 22:50:15 | 70.13,-166.01 | 61.42 | 2.14 | 63 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/17/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/17/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9