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: 5/23/2025
| 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 | 05/25/2025 | 18:45:34 | -76.04, 85.29 | 125.00 | 05/25/2025 | 18:46:45 | -75.93, 86.27 | 125.06 | 28.97 | 71 |
| 2 | 05/25/2025 | 19:36:14 | 75.79,-106.52 | 54.78 | 05/25/2025 | 19:36:14 | 75.77,-106.58 | 54.75 | 2.99 | 0 |
| 3 | 05/25/2025 | 20:26:56 | -75.70, 61.11 | 125.31 | 05/25/2025 | 20:25:42 | -75.74, 60.97 | 125.29 | 5.92 | 74 |
| 4 | 05/28/2025 | 11:02:12 | -75.87,-158.20 | 125.60 | 05/28/2025 | 11:03:16 | -75.86,-158.06 | 125.59 | 3.86 | 64 |
| 5 | 05/28/2025 | 11:52:56 | 75.81, 9.32 | 54.35 | 05/28/2025 | 11:52:43 | 75.79, 9.37 | 54.33 | 2.03 | 13 |
| 6 | 05/28/2025 | 12:43:27 | -75.20, 178.61 | 126.17 | 05/28/2025 | 12:42:22 | -75.22, 175.38 | 126.30 | 91.50 | 65 |
| 7 | 05/31/2025 | 03:18:52 | -75.84, -42.20 | 126.02 | 05/31/2025 | 03:19:45 | -75.82, -42.30 | 126.04 | 3.18 | 53 |
| 8 | 05/31/2025 | 04:09:36 | 75.78, 125.31 | 53.93 | 05/31/2025 | 04:09:11 | 75.80, 125.27 | 53.94 | 2.28 | 25 |
| 9 | 06/02/2025 | 19:35:34 | -75.86, 73.64 | 126.36 | 06/02/2025 | 19:36:13 | -75.87, 73.72 | 126.35 | 2.49 | 39 |
| 10 | 06/02/2025 | 20:26:18 | 75.81,-118.88 | 53.59 | 06/02/2025 | 20:25:40 | 75.79,-118.87 | 53.57 | 1.75 | 38 |
| 11 | 06/05/2025 | 11:52:15 | -75.84,-170.39 | 126.69 | 06/05/2025 | 11:52:42 | -75.84,-170.46 | 126.68 | 2.04 | 27 |
Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/23/2025
Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/23/2025 in txt file.
Historial Predications of SNOs between FY3D and LANDSAT-8