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: 5/12/2025
| 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 | 05/13/2025 | 13:26:19 | 70.28, -25.32 | 51.67 | 05/13/2025 | 13:27:16 | 70.29, -25.29 | 51.67 | 1.34 | 57 |
| 2 | 05/13/2025 | 14:17:01 | -70.17, 142.17 | 128.45 | 05/13/2025 | 14:16:46 | -70.17, 142.17 | 128.46 | 0.26 | 15 |
| 3 | 05/13/2025 | 15:07:31 | 69.38, -49.35 | 50.73 | 05/13/2025 | 15:06:23 | 69.46, -51.17 | 50.85 | 71.67 | 68 |
| 4 | 05/16/2025 | 05:43:15 | 70.23, 90.53 | 50.99 | 05/16/2025 | 05:43:42 | 70.22, 90.49 | 50.97 | 2.01 | 27 |
| 5 | 05/16/2025 | 06:33:57 | -70.12,-101.98 | 129.14 | 05/16/2025 | 06:33:12 | -70.10,-102.04 | 129.15 | 2.88 | 45 |
| 6 | 05/18/2025 | 21:09:29 | -70.33, 38.83 | 129.50 | 05/18/2025 | 21:10:40 | -70.34, 38.91 | 129.50 | 3.03 | 71 |
| 7 | 05/18/2025 | 22:00:12 | 70.19,-153.64 | 50.35 | 05/18/2025 | 22:00:08 | 70.18,-153.68 | 50.34 | 2.05 | 4 |
| 8 | 05/18/2025 | 22:50:52 | -69.96, 14.02 | 129.89 | 05/18/2025 | 22:49:39 | -70.01, 13.71 | 129.84 | 12.76 | 73 |
| 9 | 05/21/2025 | 13:26:26 | -70.29, 154.67 | 130.10 | 05/21/2025 | 13:27:06 | -70.28, 154.71 | 130.12 | 2.05 | 40 |
| 10 | 05/21/2025 | 14:17:09 | 70.15, -37.81 | 49.76 | 05/21/2025 | 14:16:33 | 70.17, -37.81 | 49.77 | 1.67 | 36 |
| 11 | 05/24/2025 | 04:52:47 | 70.70, 102.47 | 49.82 | 05/24/2025 | 04:53:57 | 70.57, 103.40 | 49.67 | 37.20 | 70 |
| 12 | 05/24/2025 | 05:43:23 | -70.25, -89.51 | 130.65 | 05/24/2025 | 05:43:31 | -70.24, -89.45 | 130.66 | 2.56 | 8 |
| 13 | 05/24/2025 | 06:34:06 | 70.12, 78.01 | 49.21 | 05/24/2025 | 06:32:58 | 70.13, 78.04 | 49.23 | 1.54 | 68 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/12/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/12/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9