Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between FY3D and NOAA-19 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/11/2025
| Index | Date (FY3D) | Time (FY3D) | Lat,Lon (FY3D) | SZA (FY3D ) | Date (NOAA-19) | Time (NOAA-19) | Lat,Lon (NOAA-19) | SZA (NOAA-19 ) | Distance(km) | Time Diff (sec) |
| 1 | 08/21/2025 | 16:05:19 | -76.06, 127.62 | 115.74 | 08/21/2025 | 16:04:06 | -76.02, 126.73 | 115.82 | 24.24 | 73 |
| 2 | 08/21/2025 | 16:56:07 | 76.15, -65.41 | 64.35 | 08/21/2025 | 16:55:04 | 76.18, -65.43 | 64.38 | 3.57 | 63 |
| 3 | 08/21/2025 | 17:46:51 | -76.17, 101.85 | 115.62 | 08/21/2025 | 17:45:59 | -76.17, 101.79 | 115.63 | 1.56 | 52 |
| 4 | 08/21/2025 | 18:37:37 | 76.17, -90.87 | 64.40 | 08/21/2025 | 18:37:00 | 76.20, -90.86 | 64.42 | 2.83 | 37 |
| 5 | 08/21/2025 | 19:28:21 | -76.19, 76.40 | 115.58 | 08/21/2025 | 19:27:55 | -76.18, 76.36 | 115.59 | 1.05 | 26 |
| 6 | 08/21/2025 | 20:19:07 | 76.20,-116.32 | 64.44 | 08/21/2025 | 20:18:56 | 76.21,-116.28 | 64.46 | 2.28 | 11 |
| 7 | 08/21/2025 | 21:09:51 | -76.21, 50.95 | 115.54 | 08/21/2025 | 21:09:51 | -76.20, 50.94 | 115.55 | 1.24 | 0 |
| 8 | 08/21/2025 | 22:00:37 | 76.22,-141.77 | 64.48 | 08/21/2025 | 22:00:52 | 76.23,-141.71 | 64.50 | 2.08 | 15 |
| 9 | 08/21/2025 | 22:51:21 | -76.23, 25.49 | 115.50 | 08/21/2025 | 22:51:47 | -76.22, 25.51 | 115.51 | 1.95 | 26 |
| 10 | 08/21/2025 | 23:42:07 | 76.24,-167.22 | 64.53 | 08/21/2025 | 23:42:48 | 76.24,-167.14 | 64.54 | 2.32 | 41 |
| 11 | 08/22/2025 | 00:32:51 | -76.25, 0.04 | 115.45 | 08/22/2025 | 00:33:43 | -76.23, 0.09 | 115.47 | 2.81 | 52 |
| 12 | 08/22/2025 | 01:23:37 | 76.26, 167.33 | 64.57 | 08/22/2025 | 01:24:44 | 76.26, 167.44 | 64.58 | 2.91 | 67 |
| 13 | 08/22/2025 | 02:14:24 | -76.41, -25.91 | 115.29 | 08/22/2025 | 02:15:36 | -76.38, -24.84 | 115.28 | 28.25 | 72 |
Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/11/2025
Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 08/11/2025 in txt file.
Historial Predications of SNOs between FY3D and NOAA-19