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: 7/9/2025
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 | 07/10/2025 | 05:47:34 | -76.02, -78.93 | 126.15 | 07/10/2025 | 05:48:18 | -76.02, -78.79 | 126.15 | 3.78 | 44 |
2 | 07/10/2025 | 06:38:17 | 75.92, 88.72 | 53.77 | 07/10/2025 | 06:37:45 | 75.95, 88.65 | 53.79 | 3.32 | 32 |
3 | 07/12/2025 | 22:04:14 | -76.02, 36.98 | 125.79 | 07/12/2025 | 22:04:47 | -76.00, 37.04 | 125.80 | 2.96 | 33 |
4 | 07/12/2025 | 22:54:58 | 75.97,-155.54 | 54.18 | 07/12/2025 | 22:54:13 | 75.97,-155.39 | 54.18 | 4.15 | 45 |
5 | 07/15/2025 | 14:20:53 | -76.02, 152.87 | 125.37 | 07/15/2025 | 14:21:14 | -76.01, 152.98 | 125.38 | 3.17 | 21 |
6 | 07/15/2025 | 15:11:36 | 75.93, -39.49 | 54.55 | 07/15/2025 | 15:10:41 | 75.94, -39.61 | 54.55 | 3.40 | 55 |
7 | 07/18/2025 | 05:47:00 | 76.54, 99.53 | 55.54 | 07/18/2025 | 05:48:05 | 76.47, 102.72 | 55.58 | 83.02 | 65 |
8 | 07/18/2025 | 06:37:32 | -75.98, -91.09 | 124.95 | 07/18/2025 | 06:37:42 | -76.02, -91.12 | 124.92 | 3.88 | 10 |
9 | 07/18/2025 | 07:28:16 | 75.94, 76.39 | 55.01 | 07/18/2025 | 07:27:09 | 75.94, 76.29 | 55.01 | 2.85 | 67 |
10 | 07/20/2025 | 22:03:30 | 76.10,-142.93 | 55.65 | 07/20/2025 | 22:04:41 | 76.08,-142.68 | 55.64 | 7.26 | 71 |
11 | 07/20/2025 | 22:54:12 | -76.00, 24.77 | 124.45 | 07/20/2025 | 22:54:10 | -76.01, 24.75 | 124.43 | 1.95 | 2 |
Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/9/2025
Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 07/09/2025 in txt file.
Historial Predications of SNOs between FY3D and LANDSAT-8