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: 9/10/2025
| 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 | 09/12/2025 | 09:55:23 | 76.21, 40.14 | 72.35 | 09/12/2025 | 09:55:48 | 76.22, 40.03 | 72.36 | 3.29 | 25 |
| 2 | 09/12/2025 | 10:46:06 | -76.18,-152.44 | 107.67 | 09/12/2025 | 10:45:16 | -76.20,-152.41 | 107.66 | 2.46 | 50 |
| 3 | 09/15/2025 | 02:12:03 | 76.24, 155.91 | 73.42 | 09/15/2025 | 02:12:19 | 76.22, 155.89 | 73.39 | 2.88 | 16 |
| 4 | 09/15/2025 | 03:02:46 | -76.21, -36.65 | 106.60 | 09/15/2025 | 03:01:47 | -76.20, -36.54 | 106.62 | 3.29 | 59 |
| 5 | 09/17/2025 | 17:38:09 | -76.79, 102.36 | 105.10 | 09/17/2025 | 17:39:14 | -76.70, 105.75 | 105.03 | 87.08 | 65 |
| 6 | 09/17/2025 | 18:28:42 | 76.24, -88.17 | 74.46 | 09/17/2025 | 18:28:49 | 76.25, -88.14 | 74.47 | 1.13 | 7 |
| 7 | 09/17/2025 | 19:19:25 | -76.20, 79.29 | 105.56 | 09/17/2025 | 19:18:18 | -76.18, 79.29 | 105.60 | 2.23 | 67 |
| 8 | 09/20/2025 | 09:54:40 | -76.44,-140.32 | 104.34 | 09/20/2025 | 09:55:52 | -76.34,-139.61 | 104.40 | 21.86 | 72 |
| 9 | 09/20/2025 | 10:45:21 | 76.24, 27.74 | 75.51 | 09/20/2025 | 10:45:19 | 76.26, 27.79 | 75.53 | 2.70 | 2 |
| 10 | 09/20/2025 | 11:36:02 | -76.11,-164.45 | 104.59 | 09/20/2025 | 11:34:49 | -76.15,-164.93 | 104.58 | 13.64 | 73 |
| 11 | 09/23/2025 | 02:11:15 | -76.31, -23.91 | 103.40 | 09/23/2025 | 02:12:22 | -76.29, -23.88 | 103.40 | 1.83 | 67 |
| 12 | 09/23/2025 | 03:01:59 | 76.25, 143.63 | 76.57 | 09/23/2025 | 03:01:48 | 76.26, 143.67 | 76.59 | 2.06 | 11 |
Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/10/2025
Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/10/2025 in txt file.
Historial Predications of SNOs between FY3D and LANDSAT-8