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: 8/9/2025
| 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 | -76.05, 127.62 | 115.75 | 08/21/2025 | 16:04:06 | -76.03, 126.77 | 115.81 | 22.95 | 73 |
| 2 | 08/21/2025 | 16:56:07 | 76.15, -65.42 | 64.36 | 08/21/2025 | 16:55:05 | 76.15, -65.56 | 64.34 | 3.64 | 62 |
| 3 | 08/21/2025 | 17:46:51 | -76.17, 101.85 | 115.63 | 08/21/2025 | 17:45:59 | -76.18, 101.83 | 115.62 | 1.63 | 52 |
| 4 | 08/21/2025 | 18:37:37 | 76.17, -90.87 | 64.40 | 08/21/2025 | 18:37:01 | 76.16, -90.98 | 64.38 | 3.14 | 36 |
| 5 | 08/21/2025 | 19:28:21 | -76.19, 76.40 | 115.58 | 08/21/2025 | 19:27:55 | -76.20, 76.41 | 115.58 | 0.97 | 26 |
| 6 | 08/21/2025 | 20:19:07 | 76.20,-116.32 | 64.44 | 08/21/2025 | 20:18:57 | 76.18,-116.41 | 64.42 | 2.87 | 10 |
| 7 | 08/21/2025 | 21:09:51 | -76.21, 50.95 | 115.54 | 08/21/2025 | 21:09:51 | -76.21, 50.98 | 115.54 | 0.99 | 0 |
| 8 | 08/21/2025 | 22:00:37 | 76.22,-141.77 | 64.48 | 08/21/2025 | 22:00:53 | 76.20,-141.83 | 64.46 | 2.90 | 16 |
| 9 | 08/21/2025 | 22:51:21 | -76.23, 25.50 | 115.50 | 08/21/2025 | 22:51:47 | -76.23, 25.56 | 115.49 | 1.67 | 26 |
| 10 | 08/21/2025 | 23:42:07 | 76.24,-167.22 | 64.53 | 08/21/2025 | 23:42:49 | 76.21,-167.26 | 64.50 | 3.23 | 42 |
| 11 | 08/22/2025 | 00:32:51 | -76.25, 0.05 | 115.45 | 08/22/2025 | 00:33:43 | -76.24, 0.14 | 115.45 | 2.54 | 52 |
| 12 | 08/22/2025 | 01:23:37 | 76.26, 167.33 | 64.57 | 08/22/2025 | 01:24:45 | 76.23, 167.32 | 64.55 | 3.78 | 68 |
| 13 | 08/22/2025 | 02:14:24 | -76.41, -25.91 | 115.30 | 08/22/2025 | 02:15:36 | -76.39, -24.79 | 115.26 | 29.28 | 72 |
Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/9/2025
Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 08/09/2025 in txt file.
Historial Predications of SNOs between FY3D and NOAA-19