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: 6/18/2025
| 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 | 06/19/2025 | 21:09:50 | -70.28, 38.92 | 133.21 | 06/19/2025 | 21:10:52 | -70.26, 38.89 | 133.23 | 1.95 | 62 |
| 2 | 06/19/2025 | 22:00:34 | 70.18,-153.61 | 46.69 | 06/19/2025 | 22:00:19 | 70.16,-153.61 | 46.68 | 1.17 | 15 |
| 3 | 06/19/2025 | 22:51:07 | -69.60, 14.58 | 133.91 | 06/19/2025 | 22:49:57 | -69.61, 13.26 | 133.85 | 51.36 | 70 |
| 4 | 06/22/2025 | 13:26:46 | -70.26, 154.73 | 133.22 | 06/22/2025 | 13:27:23 | -70.25, 154.75 | 133.24 | 1.46 | 37 |
| 5 | 06/22/2025 | 14:17:30 | 70.16, -37.80 | 46.68 | 06/22/2025 | 14:16:50 | 70.14, -37.76 | 46.67 | 2.13 | 40 |
| 6 | 06/25/2025 | 04:53:08 | 70.77, 102.37 | 47.37 | 06/25/2025 | 04:54:18 | 70.65, 103.58 | 47.20 | 46.61 | 70 |
| 7 | 06/25/2025 | 05:43:41 | -70.19, -89.39 | 133.23 | 06/25/2025 | 05:43:54 | -70.21, -89.43 | 133.22 | 2.51 | 13 |
| 8 | 06/25/2025 | 06:34:25 | 70.09, 78.08 | 46.66 | 06/25/2025 | 06:33:21 | 70.10, 78.06 | 46.68 | 1.75 | 64 |
| 9 | 06/27/2025 | 21:09:54 | 70.29,-141.08 | 46.97 | 06/27/2025 | 21:10:54 | 70.26,-141.11 | 46.94 | 3.00 | 60 |
| 10 | 06/27/2025 | 22:00:36 | -70.18, 26.40 | 133.14 | 06/27/2025 | 22:00:24 | -70.16, 26.38 | 133.16 | 2.88 | 12 |
| 11 | 06/27/2025 | 22:51:09 | 69.50,-165.26 | 46.15 | 06/27/2025 | 22:50:00 | 69.55,-166.82 | 46.26 | 60.93 | 69 |
| 12 | 06/30/2025 | 13:26:49 | 70.23, -25.22 | 47.06 | 06/30/2025 | 13:27:24 | 70.24, -25.25 | 47.07 | 1.84 | 35 |
| 13 | 06/30/2025 | 14:17:31 | -70.13, 142.26 | 133.04 | 06/30/2025 | 14:16:54 | -70.14, 142.24 | 133.03 | 1.72 | 37 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/18/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/18/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9