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: 6/25/2025
| 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 | 06/25/2025 | 04:53:07 | 70.75, 102.39 | 47.36 | 06/25/2025 | 04:54:17 | 70.66, 103.61 | 47.22 | 45.86 | 70 |
| 2 | 06/25/2025 | 05:43:41 | -70.24, -89.46 | 133.19 | 06/25/2025 | 05:43:53 | -70.22, -89.41 | 133.21 | 2.75 | 12 |
| 3 | 06/25/2025 | 06:34:25 | 70.13, 78.02 | 46.70 | 06/25/2025 | 06:33:20 | 70.12, 78.09 | 46.70 | 2.84 | 65 |
| 4 | 06/27/2025 | 21:09:54 | 70.27,-141.05 | 46.95 | 06/27/2025 | 21:10:54 | 70.29,-141.06 | 46.96 | 2.61 | 60 |
| 5 | 06/27/2025 | 22:00:36 | -70.17, 26.41 | 133.15 | 06/27/2025 | 22:00:24 | -70.18, 26.41 | 133.14 | 0.73 | 12 |
| 6 | 06/27/2025 | 22:51:10 | 69.53,-165.31 | 46.19 | 06/27/2025 | 22:50:00 | 69.58,-166.78 | 46.29 | 57.39 | 70 |
| 7 | 06/30/2025 | 13:26:50 | 70.26, -25.26 | 47.09 | 06/30/2025 | 13:27:25 | 70.23, -25.27 | 47.06 | 3.13 | 35 |
| 8 | 06/30/2025 | 14:17:31 | -70.11, 142.29 | 133.06 | 06/30/2025 | 14:16:55 | -70.12, 142.21 | 133.04 | 3.17 | 36 |
| 9 | 07/03/2025 | 04:53:11 | -70.83, -77.72 | 132.10 | 07/03/2025 | 04:54:20 | -70.75, -76.25 | 132.24 | 54.52 | 69 |
| 10 | 07/03/2025 | 05:43:45 | 70.20, 90.61 | 47.23 | 07/03/2025 | 05:43:55 | 70.21, 90.58 | 47.24 | 1.63 | 10 |
| 11 | 07/03/2025 | 06:34:27 | -70.10,-101.93 | 132.87 | 07/03/2025 | 06:33:25 | -70.11,-101.93 | 132.86 | 0.13 | 62 |
| 12 | 07/05/2025 | 21:09:56 | -70.31, 38.90 | 132.41 | 07/05/2025 | 21:10:57 | -70.29, 38.94 | 132.44 | 2.52 | 61 |
| 13 | 07/05/2025 | 22:00:40 | 70.19,-153.61 | 47.48 | 07/05/2025 | 22:00:24 | 70.17,-153.58 | 47.46 | 2.42 | 16 |
| 14 | 07/05/2025 | 22:51:12 | -69.57, 14.64 | 133.17 | 07/05/2025 | 22:50:02 | -69.64, 13.30 | 133.05 | 52.53 | 70 |
| 15 | 07/08/2025 | 13:26:51 | -70.26, 154.76 | 132.17 | 07/08/2025 | 13:27:27 | -70.24, 154.76 | 132.19 | 1.46 | 36 |
| 16 | 07/08/2025 | 14:17:35 | 70.14, -37.75 | 47.72 | 07/08/2025 | 14:16:54 | 70.13, -37.77 | 47.71 | 1.80 | 41 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/25/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/25/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9