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: 9/27/2025
| 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 | 09/28/2025 | 10:44:32 | -76.32,-152.14 | 101.28 | 09/28/2025 | 10:45:19 | -76.32,-152.04 | 101.26 | 2.79 | 47 |
| 2 | 09/28/2025 | 11:35:16 | 76.26, 15.41 | 78.69 | 09/28/2025 | 11:34:46 | 76.26, 15.40 | 78.68 | 0.20 | 30 |
| 3 | 10/01/2025 | 03:01:10 | -76.31, -36.19 | 100.23 | 10/01/2025 | 03:01:47 | -76.31, -36.19 | 100.23 | 0.52 | 37 |
| 4 | 10/01/2025 | 03:51:54 | 76.26, 131.34 | 79.74 | 10/01/2025 | 03:51:14 | 76.24, 131.24 | 79.72 | 2.99 | 40 |
| 5 | 10/03/2025 | 19:17:47 | -76.31, 79.72 | 99.18 | 10/03/2025 | 19:18:13 | -76.31, 79.70 | 99.18 | 0.86 | 26 |
| 6 | 10/03/2025 | 20:08:31 | 76.26,-112.77 | 80.80 | 10/03/2025 | 20:07:39 | 76.29,-112.72 | 80.81 | 3.06 | 52 |
| 7 | 10/06/2025 | 11:34:25 | -76.33,-164.40 | 98.13 | 10/06/2025 | 11:34:39 | -76.32,-164.37 | 98.13 | 0.93 | 14 |
| 8 | 10/06/2025 | 12:25:09 | 76.28, 3.09 | 81.85 | 10/06/2025 | 12:24:05 | 76.30, 3.20 | 81.86 | 3.43 | 64 |
| 9 | 10/09/2025 | 03:00:23 | 76.54, 143.36 | 83.07 | 10/09/2025 | 03:01:34 | 76.46, 144.36 | 83.05 | 27.56 | 71 |
| 10 | 10/09/2025 | 03:51:03 | -76.35, -48.56 | 97.08 | 10/09/2025 | 03:51:04 | -76.34, -48.39 | 97.07 | 4.26 | 1 |
| 11 | 10/09/2025 | 04:41:44 | 76.17, 119.41 | 82.80 | 10/09/2025 | 04:40:31 | 76.27, 119.00 | 82.86 | 15.41 | 73 |
| 12 | 10/11/2025 | 19:16:56 | 76.36,-100.00 | 83.95 | 10/11/2025 | 19:18:01 | 76.35,-100.10 | 83.95 | 2.79 | 65 |
| 13 | 10/11/2025 | 20:07:40 | -76.33, 67.42 | 96.07 | 10/11/2025 | 20:07:29 | -76.33, 67.47 | 96.07 | 1.26 | 11 |
Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/27/2025
Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/27/2025 in txt file.
Historial Predications of SNOs between FY3D and LANDSAT-8