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: 8/12/2025
| 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 | 08/14/2025 | 21:10:02 | 70.53,-141.32 | 56.44 | 08/14/2025 | 21:11:13 | 70.48,-140.80 | 56.36 | 20.14 | 71 |
| 2 | 08/14/2025 | 22:00:40 | -70.25, 26.44 | 123.85 | 08/14/2025 | 22:00:45 | -70.25, 26.51 | 123.85 | 2.59 | 5 |
| 3 | 08/14/2025 | 22:51:24 | 70.11,-166.04 | 56.02 | 08/14/2025 | 22:50:13 | 70.10,-166.07 | 56.02 | 2.15 | 71 |
| 4 | 08/17/2025 | 13:26:52 | 70.30, -25.17 | 57.04 | 08/17/2025 | 13:27:46 | 70.32, -25.14 | 57.05 | 2.99 | 54 |
| 5 | 08/17/2025 | 14:17:34 | -70.23, 142.27 | 123.03 | 08/17/2025 | 14:17:16 | -70.21, 142.33 | 123.04 | 2.80 | 18 |
| 6 | 08/17/2025 | 15:08:04 | 69.35, -49.12 | 56.08 | 08/17/2025 | 15:06:56 | 69.39, -51.16 | 56.19 | 80.13 | 68 |
| 7 | 08/20/2025 | 05:43:46 | 70.28, 90.64 | 57.89 | 08/20/2025 | 05:44:17 | 70.26, 90.65 | 57.86 | 2.33 | 31 |
| 8 | 08/20/2025 | 06:34:27 | -70.15,-101.84 | 122.24 | 08/20/2025 | 06:33:47 | -70.15,-101.88 | 122.23 | 1.49 | 40 |
| 9 | 08/22/2025 | 21:10:04 | -70.81, 38.27 | 120.68 | 08/22/2025 | 21:11:14 | -70.67, 39.49 | 120.87 | 47.37 | 70 |
| 10 | 08/22/2025 | 22:00:39 | 70.22,-153.48 | 58.71 | 08/22/2025 | 22:00:47 | 70.23,-153.51 | 58.73 | 2.16 | 8 |
| 11 | 08/22/2025 | 22:51:21 | -70.14, 13.97 | 121.36 | 08/22/2025 | 22:50:17 | -70.13, 13.97 | 121.37 | 0.68 | 64 |
| 12 | 08/25/2025 | 13:26:48 | -70.33, 154.83 | 120.28 | 08/25/2025 | 13:27:49 | -70.30, 154.82 | 120.31 | 3.14 | 61 |
| 13 | 08/25/2025 | 14:17:32 | 70.21, -37.68 | 59.62 | 08/25/2025 | 14:17:16 | 70.19, -37.69 | 59.60 | 3.01 | 16 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/12/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/12/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9