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: 7/1/2025
| 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 | 07/03/2025 | 04:53:10 | -70.83, -77.71 | 132.11 | 07/03/2025 | 04:54:20 | -70.71, -76.32 | 132.29 | 52.55 | 70 |
| 2 | 07/03/2025 | 05:43:45 | 70.24, 90.55 | 47.27 | 07/03/2025 | 05:43:54 | 70.22, 90.61 | 47.26 | 2.52 | 9 |
| 3 | 07/03/2025 | 06:34:26 | -70.10,-101.92 | 132.87 | 07/03/2025 | 06:33:24 | -70.11,-101.92 | 132.85 | 1.58 | 62 |
| 4 | 07/05/2025 | 21:09:56 | -70.31, 38.91 | 132.41 | 07/05/2025 | 21:10:57 | -70.30, 38.95 | 132.43 | 1.72 | 61 |
| 5 | 07/05/2025 | 22:00:40 | 70.18,-153.59 | 47.47 | 07/05/2025 | 22:00:24 | 70.19,-153.56 | 47.47 | 1.50 | 16 |
| 6 | 07/05/2025 | 22:51:12 | -69.57, 14.65 | 133.17 | 07/05/2025 | 22:50:02 | -69.64, 13.31 | 133.05 | 52.49 | 70 |
| 7 | 07/08/2025 | 13:26:51 | -70.26, 154.76 | 132.17 | 07/08/2025 | 13:27:27 | -70.26, 154.77 | 132.18 | 0.55 | 36 |
| 8 | 07/08/2025 | 14:17:35 | 70.14, -37.74 | 47.71 | 07/08/2025 | 14:16:54 | 70.14, -37.74 | 47.72 | 0.96 | 41 |
| 9 | 07/11/2025 | 04:53:11 | 70.67, 102.57 | 48.60 | 07/11/2025 | 04:54:22 | 70.57, 103.50 | 48.47 | 35.87 | 71 |
| 10 | 07/11/2025 | 05:43:46 | -70.22, -89.39 | 131.87 | 07/11/2025 | 05:43:57 | -70.20, -89.42 | 131.89 | 1.97 | 11 |
| 11 | 07/11/2025 | 06:34:30 | 70.09, 78.10 | 48.01 | 07/11/2025 | 06:33:24 | 70.09, 78.06 | 48.01 | 1.78 | 66 |
| 12 | 07/13/2025 | 21:09:58 | 70.26,-141.01 | 48.56 | 07/13/2025 | 21:10:55 | 70.28,-141.05 | 48.57 | 2.95 | 57 |
| 13 | 07/13/2025 | 22:00:40 | -70.18, 26.44 | 131.53 | 07/13/2025 | 22:00:25 | -70.19, 26.45 | 131.52 | 0.95 | 15 |
| 14 | 07/13/2025 | 22:51:11 | 69.36,-165.04 | 47.63 | 07/13/2025 | 22:50:03 | 69.46,-166.92 | 47.81 | 74.05 | 68 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/1/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/01/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9