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: 5/9/2025
| 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 | 05/10/2025 | 21:09:32 | 70.86,-142.02 | 52.94 | 05/10/2025 | 21:10:41 | 70.78,-140.46 | 52.82 | 57.93 | 69 |
| 2 | 05/10/2025 | 22:00:04 | -70.23, 26.31 | 127.72 | 05/10/2025 | 22:00:19 | -70.22, 26.36 | 127.74 | 1.86 | 15 |
| 3 | 05/10/2025 | 22:50:48 | 70.13,-166.22 | 52.16 | 05/10/2025 | 22:49:46 | 70.12,-166.15 | 52.16 | 2.80 | 62 |
| 4 | 05/13/2025 | 13:26:18 | 70.28, -25.32 | 51.67 | 05/13/2025 | 13:27:15 | 70.29, -25.29 | 51.67 | 1.45 | 57 |
| 5 | 05/13/2025 | 14:17:00 | -70.17, 142.17 | 128.46 | 05/13/2025 | 14:16:45 | -70.18, 142.18 | 128.45 | 0.84 | 15 |
| 6 | 05/13/2025 | 15:07:31 | 69.38, -49.34 | 50.73 | 05/13/2025 | 15:06:23 | 69.46, -51.16 | 50.85 | 71.74 | 68 |
| 7 | 05/16/2025 | 05:43:15 | 70.23, 90.53 | 50.99 | 05/16/2025 | 05:43:42 | 70.22, 90.49 | 50.97 | 2.33 | 27 |
| 8 | 05/16/2025 | 06:33:57 | -70.12,-101.98 | 129.15 | 05/16/2025 | 06:33:12 | -70.10,-102.04 | 129.15 | 2.69 | 45 |
| 9 | 05/18/2025 | 21:09:29 | -70.33, 38.83 | 129.50 | 05/18/2025 | 21:10:40 | -70.34, 38.90 | 129.50 | 2.74 | 71 |
| 10 | 05/18/2025 | 22:00:12 | 70.19,-153.64 | 50.35 | 05/18/2025 | 22:00:08 | 70.17,-153.69 | 50.33 | 2.95 | 4 |
| 11 | 05/18/2025 | 22:50:52 | -69.96, 14.03 | 129.90 | 05/18/2025 | 22:49:39 | -70.01, 13.71 | 129.84 | 12.91 | 73 |
| 12 | 05/21/2025 | 13:26:26 | -70.29, 154.66 | 130.10 | 05/21/2025 | 13:27:06 | -70.27, 154.69 | 130.13 | 2.74 | 40 |
| 13 | 05/21/2025 | 14:17:09 | 70.16, -37.82 | 49.76 | 05/21/2025 | 14:16:33 | 70.15, -37.82 | 49.76 | 0.40 | 36 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/9/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/09/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9