Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/4/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (TERRA) | Time (TERRA) | Lat,Lon (TERRA) | SZA (TERRA ) | Distance(km) | Time Diff (sec) |
| 1 | 07/04/2025 | 23:35:41 | 73.96, 175.26 | 51.50 | 07/04/2025 | 23:35:57 | 73.95, 175.18 | 51.49 | 2.95 | 16 |
| 2 | 07/05/2025 | 00:26:23 | -73.88, -17.22 | 128.60 | 07/05/2025 | 00:25:18 | -73.88, -17.30 | 128.57 | 2.50 | 65 |
| 3 | 07/07/2025 | 09:57:21 | -73.99,-160.24 | 128.21 | 07/07/2025 | 09:57:39 | -74.00,-160.20 | 128.22 | 1.24 | 18 |
| 4 | 07/07/2025 | 10:48:05 | 73.89, 7.32 | 51.68 | 07/07/2025 | 10:47:00 | 73.87, 7.21 | 51.69 | 3.84 | 65 |
| 5 | 07/09/2025 | 20:19:03 | 73.97,-135.60 | 52.05 | 07/09/2025 | 20:19:22 | 73.98,-135.72 | 52.06 | 3.74 | 19 |
| 6 | 07/09/2025 | 21:09:46 | -73.92, 31.83 | 128.00 | 07/09/2025 | 21:08:43 | -73.91, 31.81 | 127.99 | 1.19 | 63 |
| 7 | 07/12/2025 | 06:40:44 | -73.99,-111.08 | 127.59 | 07/12/2025 | 06:41:05 | -74.00,-111.14 | 127.59 | 2.24 | 21 |
| 8 | 07/12/2025 | 07:31:29 | 73.95, 56.33 | 52.37 | 07/12/2025 | 07:30:25 | 73.93, 56.38 | 52.36 | 2.66 | 64 |
| 9 | 07/14/2025 | 17:02:27 | 74.03, -86.61 | 52.82 | 07/14/2025 | 17:02:47 | 74.01, -86.60 | 52.79 | 2.75 | 20 |
| 10 | 07/14/2025 | 17:53:09 | -73.92, 80.98 | 127.30 | 07/14/2025 | 17:52:08 | -73.94, 80.92 | 127.26 | 2.71 | 61 |
| 11 | 07/17/2025 | 03:24:08 | -74.05, -62.07 | 126.76 | 07/17/2025 | 03:24:29 | -74.06, -61.96 | 126.77 | 3.44 | 21 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/4/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/04/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA