Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between FY3D and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/20/2025
| Index | Date (FY3D) | Time (FY3D) | Lat,Lon (FY3D) | SZA (FY3D ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 08/22/2025 | 00:32:49 | -76.15, 0.43 | 115.55 | 08/22/2025 | 00:33:22 | -76.14, 0.37 | 115.55 | 2.02 | 33 |
| 2 | 08/22/2025 | 01:23:34 | 76.10, 167.91 | 64.43 | 08/22/2025 | 01:22:48 | 76.12, 167.96 | 64.44 | 2.69 | 46 |
| 3 | 08/24/2025 | 16:49:29 | -76.17, 116.24 | 114.60 | 08/24/2025 | 16:49:49 | -76.18, 116.39 | 114.59 | 4.20 | 20 |
| 4 | 08/24/2025 | 17:40:14 | 76.13, -76.28 | 65.37 | 08/24/2025 | 17:39:16 | 76.12, -76.18 | 65.35 | 3.22 | 58 |
| 5 | 08/27/2025 | 08:15:36 | 76.63, 63.10 | 66.72 | 08/27/2025 | 08:16:43 | 76.53, 65.77 | 66.73 | 69.97 | 67 |
| 6 | 08/27/2025 | 09:06:09 | -76.16,-127.80 | 113.68 | 08/27/2025 | 09:06:18 | -76.16,-127.78 | 113.67 | 0.85 | 9 |
| 7 | 08/27/2025 | 09:56:54 | 76.11, 39.67 | 66.30 | 08/27/2025 | 09:55:45 | 76.09, 39.64 | 66.27 | 2.46 | 69 |
| 8 | 08/30/2025 | 00:32:07 | 76.22,-179.43 | 67.33 | 08/30/2025 | 00:33:18 | 76.20,-179.41 | 67.32 | 2.00 | 71 |
| 9 | 08/30/2025 | 01:22:49 | -76.15, -11.85 | 112.73 | 08/30/2025 | 01:22:46 | -76.18, -11.84 | 112.70 | 3.71 | 3 |
| 10 | 08/30/2025 | 02:13:27 | 75.79, 156.72 | 66.99 | 08/30/2025 | 02:12:18 | 75.86, 154.82 | 66.97 | 52.50 | 69 |
| 11 | 09/01/2025 | 16:48:47 | 76.21, -63.51 | 68.30 | 09/01/2025 | 16:49:46 | 76.20, -63.52 | 68.30 | 1.54 | 59 |
| 12 | 09/01/2025 | 17:39:30 | -76.18, 103.92 | 111.72 | 09/01/2025 | 17:39:14 | -76.18, 104.05 | 111.72 | 3.56 | 16 |
Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/20/2025
Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 08/20/2025 in txt file.
Historial Predications of SNOs between FY3D and LANDSAT-8