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: 5/13/2025
| 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 | 70.29, -25.33 | 51.68 | 05/13/2025 | 13:27:16 | 70.29, -25.30 | 51.67 | 1.07 | 57 |
| 2 | 05/13/2025 | 14:17:01 | -70.18, 142.15 | 128.44 | 05/13/2025 | 14:16:46 | -70.16, 142.16 | 128.46 | 1.87 | 15 |
| 3 | 05/13/2025 | 15:07:32 | 69.39, -49.36 | 50.74 | 05/13/2025 | 15:06:24 | 69.46, -51.17 | 50.85 | 71.40 | 68 |
| 4 | 05/16/2025 | 05:43:15 | 70.24, 90.52 | 50.99 | 05/16/2025 | 05:43:42 | 70.22, 90.49 | 50.97 | 2.58 | 27 |
| 5 | 05/16/2025 | 06:33:57 | -70.13,-101.99 | 129.13 | 05/16/2025 | 06:33:11 | -70.15,-101.97 | 129.10 | 3.33 | 46 |
| 6 | 05/18/2025 | 21:09:29 | -70.34, 38.82 | 129.50 | 05/18/2025 | 21:10:40 | -70.34, 38.91 | 129.50 | 3.33 | 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 | 1.86 | 4 |
| 8 | 05/18/2025 | 22:50:52 | -69.97, 14.01 | 129.89 | 05/18/2025 | 22:49:39 | -70.01, 13.72 | 129.84 | 12.19 | 73 |
| 9 | 05/21/2025 | 13:26:26 | -70.29, 154.66 | 130.09 | 05/21/2025 | 13:27:06 | -70.28, 154.72 | 130.11 | 2.38 | 40 |
| 10 | 05/21/2025 | 14:17:09 | 70.15, -37.81 | 49.76 | 05/21/2025 | 14:16:33 | 70.18, -37.79 | 49.78 | 2.55 | 36 |
| 11 | 05/24/2025 | 04:52:47 | 70.70, 102.46 | 49.82 | 05/24/2025 | 04:53:57 | 70.59, 103.42 | 49.69 | 37.39 | 70 |
| 12 | 05/24/2025 | 05:43:22 | -70.20, -89.43 | 130.70 | 05/24/2025 | 05:43:32 | -70.20, -89.50 | 130.70 | 2.81 | 10 |
| 13 | 05/24/2025 | 06:34:06 | 70.12, 78.01 | 49.21 | 05/24/2025 | 06:32:59 | 70.09, 77.98 | 49.19 | 3.22 | 67 |
| 14 | 05/26/2025 | 21:09:36 | 70.30,-141.13 | 48.94 | 05/26/2025 | 21:10:25 | 70.32,-141.08 | 48.95 | 2.82 | 49 |
| 15 | 05/26/2025 | 22:00:18 | -70.17, 26.39 | 131.20 | 05/26/2025 | 21:59:56 | -70.16, 26.32 | 131.21 | 2.97 | 22 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/13/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/13/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9