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: 8/5/2025
| 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 | 08/06/2025 | 21:10:00 | -70.39, 38.89 | 126.07 | 08/06/2025 | 21:11:12 | -70.35, 39.02 | 126.13 | 6.52 | 72 |
| 2 | 08/06/2025 | 22:00:43 | 70.19,-153.50 | 53.73 | 08/06/2025 | 22:00:40 | 70.19,-153.56 | 53.74 | 2.48 | 3 |
| 3 | 08/06/2025 | 22:51:23 | -70.02, 14.07 | 126.43 | 08/06/2025 | 22:50:10 | -70.08, 13.91 | 126.36 | 8.89 | 73 |
| 4 | 08/09/2025 | 13:26:52 | -70.29, 154.82 | 125.41 | 08/09/2025 | 13:27:43 | -70.31, 154.84 | 125.40 | 2.70 | 51 |
| 5 | 08/09/2025 | 14:17:37 | 70.20, -37.74 | 54.51 | 08/09/2025 | 14:17:10 | 70.21, -37.66 | 54.52 | 2.97 | 27 |
| 6 | 08/09/2025 | 15:08:02 | -69.24, 131.01 | 126.49 | 08/09/2025 | 15:06:55 | -69.28, 128.68 | 126.36 | 91.48 | 67 |
| 7 | 08/12/2025 | 05:43:46 | -70.25, -89.34 | 124.66 | 08/12/2025 | 05:44:15 | -70.26, -89.36 | 124.66 | 1.26 | 29 |
| 8 | 08/12/2025 | 06:34:31 | 70.17, 78.09 | 55.26 | 08/12/2025 | 06:33:42 | 70.16, 78.13 | 55.25 | 2.17 | 49 |
| 9 | 08/14/2025 | 21:10:03 | 70.56,-141.36 | 56.47 | 08/14/2025 | 21:11:14 | 70.46,-140.82 | 56.34 | 22.66 | 71 |
| 10 | 08/14/2025 | 22:00:40 | -70.22, 26.49 | 123.88 | 08/14/2025 | 22:00:46 | -70.25, 26.50 | 123.85 | 3.39 | 6 |
| 11 | 08/14/2025 | 22:51:25 | 70.14,-166.08 | 56.05 | 08/14/2025 | 22:50:13 | 70.14,-166.01 | 56.06 | 2.61 | 72 |
| 12 | 08/17/2025 | 13:26:53 | 70.32, -25.21 | 57.06 | 08/17/2025 | 13:27:47 | 70.32, -25.15 | 57.05 | 2.13 | 54 |
| 13 | 08/17/2025 | 14:17:34 | -70.19, 142.32 | 123.07 | 08/17/2025 | 14:17:17 | -70.22, 142.34 | 123.04 | 3.23 | 17 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/5/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/05/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9