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: 6/20/2025
| 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 | 06/22/2025 | 13:26:46 | -70.25, 154.74 | 133.23 | 06/22/2025 | 13:27:23 | -70.26, 154.76 | 133.23 | 1.07 | 37 |
| 2 | 06/22/2025 | 14:17:30 | 70.14, -37.78 | 46.66 | 06/22/2025 | 14:16:50 | 70.16, -37.74 | 46.68 | 2.14 | 40 |
| 3 | 06/25/2025 | 04:53:07 | 70.75, 102.39 | 47.36 | 06/25/2025 | 04:54:17 | 70.66, 103.61 | 47.22 | 45.76 | 70 |
| 4 | 06/25/2025 | 05:43:41 | -70.23, -89.45 | 133.19 | 06/25/2025 | 05:43:53 | -70.23, -89.40 | 133.20 | 2.00 | 12 |
| 5 | 06/25/2025 | 06:34:25 | 70.13, 78.02 | 46.70 | 06/25/2025 | 06:33:20 | 70.12, 78.09 | 46.70 | 2.72 | 65 |
| 6 | 06/27/2025 | 21:09:54 | 70.27,-141.05 | 46.95 | 06/27/2025 | 21:10:54 | 70.28,-141.07 | 46.96 | 2.03 | 60 |
| 7 | 06/27/2025 | 22:00:36 | -70.17, 26.42 | 133.16 | 06/27/2025 | 22:00:24 | -70.18, 26.41 | 133.14 | 1.46 | 12 |
| 8 | 06/27/2025 | 22:51:09 | 69.48,-165.24 | 46.13 | 06/27/2025 | 22:50:00 | 69.57,-166.79 | 46.29 | 61.42 | 69 |
| 9 | 06/30/2025 | 13:26:50 | 70.26, -25.26 | 47.09 | 06/30/2025 | 13:27:24 | 70.27, -25.21 | 47.10 | 2.66 | 34 |
| 10 | 06/30/2025 | 14:17:32 | -70.16, 142.21 | 133.01 | 06/30/2025 | 14:16:54 | -70.17, 142.28 | 133.00 | 3.03 | 38 |
| 11 | 07/03/2025 | 04:53:11 | -70.83, -77.72 | 132.11 | 07/03/2025 | 04:54:20 | -70.74, -76.27 | 132.25 | 53.98 | 69 |
| 12 | 07/03/2025 | 05:43:45 | 70.20, 90.60 | 47.24 | 07/03/2025 | 05:43:55 | 70.19, 90.56 | 47.23 | 1.89 | 10 |
| 13 | 07/03/2025 | 06:34:27 | -70.10,-101.93 | 132.87 | 07/03/2025 | 06:33:25 | -70.09,-101.95 | 132.87 | 1.17 | 62 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/20/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/20/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9