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: 8/9/2025
| 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 | 08/09/2025 | 13:26:52 | -70.30, 154.81 | 125.41 | 08/09/2025 | 13:27:43 | -70.30, 154.83 | 125.41 | 1.10 | 51 |
| 2 | 08/09/2025 | 14:17:37 | 70.21, -37.74 | 54.51 | 08/09/2025 | 14:17:10 | 70.21, -37.67 | 54.51 | 2.80 | 27 |
| 3 | 08/09/2025 | 15:08:02 | -69.25, 131.00 | 126.48 | 08/09/2025 | 15:06:55 | -69.27, 128.67 | 126.37 | 91.52 | 67 |
| 4 | 08/12/2025 | 05:43:46 | -70.26, -89.35 | 124.66 | 08/12/2025 | 05:44:15 | -70.25, -89.37 | 124.67 | 1.30 | 29 |
| 5 | 08/12/2025 | 06:34:31 | 70.17, 78.09 | 55.27 | 08/12/2025 | 06:33:42 | 70.15, 78.12 | 55.25 | 3.01 | 49 |
| 6 | 08/14/2025 | 21:10:03 | 70.56,-141.37 | 56.47 | 08/14/2025 | 21:11:14 | 70.45,-140.84 | 56.33 | 23.22 | 71 |
| 7 | 08/14/2025 | 22:00:40 | -70.23, 26.48 | 123.87 | 08/14/2025 | 22:00:46 | -70.23, 26.48 | 123.87 | 0.59 | 6 |
| 8 | 08/14/2025 | 22:51:25 | 70.15,-166.09 | 56.06 | 08/14/2025 | 22:50:13 | 70.13,-166.03 | 56.04 | 3.00 | 72 |
| 9 | 08/17/2025 | 13:26:52 | 70.28, -25.13 | 57.02 | 08/17/2025 | 13:27:47 | 70.30, -25.18 | 57.03 | 3.31 | 55 |
| 10 | 08/17/2025 | 14:17:34 | -70.20, 142.30 | 123.06 | 08/17/2025 | 14:17:17 | -70.20, 142.31 | 123.06 | 0.43 | 17 |
| 11 | 08/17/2025 | 15:08:04 | 69.33, -49.09 | 56.05 | 08/17/2025 | 15:06:57 | 69.37, -51.19 | 56.17 | 82.50 | 67 |
| 12 | 08/20/2025 | 05:43:45 | 70.26, 90.68 | 57.87 | 08/20/2025 | 05:44:17 | 70.24, 90.62 | 57.85 | 2.62 | 32 |
| 13 | 08/20/2025 | 06:34:27 | -70.18,-101.88 | 122.21 | 08/20/2025 | 06:33:46 | -70.20,-101.81 | 122.19 | 3.14 | 41 |
| 14 | 08/22/2025 | 21:10:03 | -70.78, 38.31 | 120.71 | 08/22/2025 | 21:11:13 | -70.72, 39.56 | 120.82 | 46.51 | 70 |
| 15 | 08/22/2025 | 22:00:39 | 70.25,-153.52 | 58.75 | 08/22/2025 | 22:00:47 | 70.22,-153.53 | 58.72 | 2.86 | 8 |
| 16 | 08/22/2025 | 22:51:20 | -70.11, 14.01 | 121.39 | 08/22/2025 | 22:50:17 | -70.12, 13.96 | 121.37 | 2.34 | 63 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/9/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/09/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9