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: 8/8/2025
| 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 | -70.28, 154.83 | 125.42 | 08/09/2025 | 13:27:44 | -70.26, 154.77 | 125.45 | 3.33 | 52 |
| 2 | 08/09/2025 | 14:17:37 | 70.19, -37.73 | 54.50 | 08/09/2025 | 14:17:11 | 70.16, -37.73 | 54.47 | 3.54 | 26 |
| 3 | 08/09/2025 | 15:08:02 | -69.24, 131.01 | 126.49 | 08/09/2025 | 15:06:55 | -69.28, 128.69 | 126.36 | 91.67 | 67 |
| 4 | 08/12/2025 | 05:43:46 | -70.24, -89.33 | 124.67 | 08/12/2025 | 05:44:15 | -70.27, -89.35 | 124.66 | 2.46 | 29 |
| 5 | 08/12/2025 | 06:34:31 | 70.16, 78.11 | 55.25 | 08/12/2025 | 06:33:42 | 70.16, 78.14 | 55.26 | 1.28 | 49 |
| 6 | 08/14/2025 | 21:10:03 | 70.54,-141.34 | 56.45 | 08/14/2025 | 21:11:14 | 70.47,-140.81 | 56.35 | 21.21 | 71 |
| 7 | 08/14/2025 | 22:00:41 | -70.26, 26.43 | 123.84 | 08/14/2025 | 22:00:46 | -70.25, 26.50 | 123.85 | 3.02 | 5 |
| 8 | 08/14/2025 | 22:51:25 | 70.13,-166.06 | 56.04 | 08/14/2025 | 22:50:13 | 70.14,-166.00 | 56.06 | 2.80 | 72 |
| 9 | 08/17/2025 | 13:26:52 | 70.30, -25.18 | 57.04 | 08/17/2025 | 13:27:46 | 70.32, -25.15 | 57.05 | 2.44 | 54 |
| 10 | 08/17/2025 | 14:17:34 | -70.23, 142.26 | 123.03 | 08/17/2025 | 14:17:16 | -70.22, 142.34 | 123.04 | 2.89 | 18 |
| 11 | 08/17/2025 | 15:08:04 | 69.36, -49.13 | 56.08 | 08/17/2025 | 15:06:56 | 69.39, -51.16 | 56.19 | 79.75 | 68 |
| 12 | 08/20/2025 | 05:43:46 | 70.28, 90.64 | 57.89 | 08/20/2025 | 05:44:17 | 70.27, 90.66 | 57.87 | 1.03 | 31 |
| 13 | 08/20/2025 | 06:34:27 | -70.14,-101.83 | 122.25 | 08/20/2025 | 06:33:47 | -70.17,-101.86 | 122.22 | 3.02 | 40 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/8/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/08/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9