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: 7/30/2025
| 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 | 07/31/2025 | 15:10:08 | 76.07, -39.17 | 58.00 | 07/31/2025 | 15:10:48 | 76.05, -39.27 | 57.99 | 2.97 | 40 |
| 2 | 07/31/2025 | 16:00:51 | -76.03, 128.29 | 122.03 | 07/31/2025 | 16:00:16 | -76.03, 128.28 | 122.03 | 0.14 | 35 |
| 3 | 08/03/2025 | 07:26:48 | 76.06, 76.76 | 58.69 | 08/03/2025 | 07:27:15 | 76.07, 76.68 | 58.70 | 2.93 | 27 |
| 4 | 08/03/2025 | 08:17:31 | -76.02,-115.78 | 121.34 | 08/03/2025 | 08:16:43 | -76.05,-115.76 | 121.32 | 3.65 | 48 |
| 5 | 08/05/2025 | 23:43:30 | 76.10,-167.48 | 59.45 | 08/05/2025 | 23:43:43 | 76.08,-167.41 | 59.43 | 2.73 | 13 |
| 6 | 08/06/2025 | 00:34:12 | -76.01, 0.13 | 120.62 | 08/06/2025 | 00:33:12 | -76.01, 0.00 | 120.64 | 3.49 | 60 |
| 7 | 08/08/2025 | 15:09:31 | -76.35, 140.17 | 119.59 | 08/08/2025 | 15:10:42 | -76.24, 141.35 | 119.65 | 33.44 | 71 |
| 8 | 08/08/2025 | 16:00:11 | 76.10, -51.59 | 60.20 | 08/08/2025 | 16:00:11 | 76.07, -51.56 | 60.17 | 3.40 | 0 |
| 9 | 08/08/2025 | 16:50:53 | -76.02, 116.03 | 119.86 | 08/08/2025 | 16:49:39 | -76.05, 116.02 | 119.84 | 3.72 | 74 |
| 10 | 08/11/2025 | 07:26:07 | -76.14,-103.13 | 118.99 | 08/11/2025 | 07:27:12 | -76.12,-103.15 | 119.00 | 1.82 | 65 |
| 11 | 08/11/2025 | 08:16:52 | 76.10, 64.29 | 61.00 | 08/11/2025 | 08:16:38 | 76.09, 64.40 | 60.99 | 3.37 | 14 |
Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/30/2025
Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 07/30/2025 in txt file.
Historial Predications of SNOs between FY3D and LANDSAT-8