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: 7/7/2025
| 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 | 07/08/2025 | 13:26:51 | -70.26, 154.76 | 132.16 | 07/08/2025 | 13:27:27 | -70.23, 154.74 | 132.20 | 3.47 | 36 |
| 2 | 07/08/2025 | 14:17:35 | 70.13, -37.74 | 47.71 | 07/08/2025 | 14:16:54 | 70.13, -37.76 | 47.71 | 1.14 | 41 |
| 3 | 07/11/2025 | 04:53:11 | 70.66, 102.58 | 48.60 | 07/11/2025 | 04:54:22 | 70.55, 103.46 | 48.44 | 35.05 | 71 |
| 4 | 07/11/2025 | 05:43:46 | -70.22, -89.40 | 131.87 | 07/11/2025 | 05:43:56 | -70.22, -89.39 | 131.87 | 0.20 | 10 |
| 5 | 07/11/2025 | 06:34:30 | 70.09, 78.11 | 48.00 | 07/11/2025 | 06:33:23 | 70.11, 78.10 | 48.03 | 2.52 | 67 |
| 6 | 07/13/2025 | 21:09:59 | 70.31,-141.08 | 48.61 | 07/13/2025 | 21:10:54 | 70.29,-141.03 | 48.58 | 2.29 | 55 |
| 7 | 07/13/2025 | 22:00:40 | -70.18, 26.44 | 131.53 | 07/13/2025 | 22:00:24 | -70.19, 26.45 | 131.52 | 1.38 | 16 |
| 8 | 07/13/2025 | 22:51:11 | 69.36,-165.03 | 47.62 | 07/13/2025 | 22:50:03 | 69.41,-166.97 | 47.76 | 76.39 | 68 |
| 9 | 07/16/2025 | 13:26:54 | 70.27, -25.24 | 48.99 | 07/16/2025 | 13:27:23 | 70.24, -25.21 | 48.96 | 2.91 | 29 |
| 10 | 07/16/2025 | 14:17:35 | -70.14, 142.28 | 131.14 | 07/16/2025 | 14:16:53 | -70.14, 142.28 | 131.13 | 0.46 | 42 |
| 11 | 07/19/2025 | 04:53:10 | -70.62, -77.34 | 130.17 | 07/19/2025 | 04:54:21 | -70.51, -76.57 | 130.32 | 30.86 | 71 |
| 12 | 07/19/2025 | 05:43:49 | 70.23, 90.59 | 49.43 | 07/19/2025 | 05:43:51 | 70.23, 90.66 | 49.42 | 2.73 | 2 |
| 13 | 07/19/2025 | 06:34:30 | -70.10,-101.89 | 130.70 | 07/19/2025 | 06:33:22 | -70.08,-101.92 | 130.72 | 3.00 | 68 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/7/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/07/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9