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: 9/17/2025
| 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 | 09/20/2025 | 09:54:40 | -76.44,-140.34 | 104.34 | 09/20/2025 | 09:55:52 | -76.35,-139.58 | 104.39 | 22.41 | 72 |
| 2 | 09/20/2025 | 10:45:21 | 76.24, 27.75 | 75.51 | 09/20/2025 | 10:45:20 | 76.24, 27.70 | 75.50 | 1.39 | 1 |
| 3 | 09/20/2025 | 11:36:02 | -76.11,-164.47 | 104.58 | 09/20/2025 | 11:34:49 | -76.16,-164.91 | 104.57 | 12.95 | 73 |
| 4 | 09/23/2025 | 02:11:15 | -76.31, -23.93 | 103.39 | 09/23/2025 | 02:12:22 | -76.31, -23.84 | 103.38 | 2.45 | 67 |
| 5 | 09/23/2025 | 03:01:59 | 76.25, 143.63 | 76.57 | 09/23/2025 | 03:01:49 | 76.24, 143.58 | 76.56 | 1.59 | 10 |
| 6 | 09/23/2025 | 03:52:32 | -75.75, -47.30 | 103.82 | 09/23/2025 | 03:51:26 | -75.78, -50.21 | 103.95 | 79.73 | 66 |
| 7 | 09/25/2025 | 18:27:54 | -76.32, 91.95 | 102.33 | 09/25/2025 | 18:28:52 | -76.30, 92.00 | 102.34 | 3.26 | 58 |
| 8 | 09/25/2025 | 19:18:38 | 76.26,-100.51 | 77.64 | 09/25/2025 | 19:18:18 | 76.27,-100.43 | 77.65 | 2.45 | 20 |
| 9 | 09/28/2025 | 10:44:32 | -76.29,-152.02 | 101.30 | 09/28/2025 | 10:45:21 | -76.32,-152.05 | 101.27 | 2.87 | 49 |
| 10 | 09/28/2025 | 11:35:16 | 76.24, 15.50 | 78.67 | 09/28/2025 | 11:34:48 | 76.24, 15.35 | 78.67 | 3.98 | 28 |
| 11 | 10/01/2025 | 03:01:11 | -76.31, -36.17 | 100.23 | 10/01/2025 | 03:01:50 | -76.32, -36.16 | 100.21 | 1.25 | 39 |
| 12 | 10/01/2025 | 03:51:55 | 76.26, 131.32 | 79.75 | 10/01/2025 | 03:51:17 | 76.25, 131.24 | 79.72 | 2.78 | 38 |
Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/17/2025
Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/17/2025 in txt file.
Historial Predications of SNOs between FY3D and LANDSAT-8