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: 9/12/2025
| 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 | 09/13/2025 | 11:13:34 | 74.31, -0.07 | 70.91 | 09/13/2025 | 11:14:12 | 74.31, -0.05 | 70.90 | 0.79 | 38 |
| 2 | 09/13/2025 | 12:04:17 | -74.26, 167.37 | 109.14 | 09/13/2025 | 12:03:34 | -74.26, 167.49 | 109.14 | 3.63 | 43 |
| 3 | 09/15/2025 | 21:35:11 | -74.30, 24.55 | 108.19 | 09/15/2025 | 21:35:46 | -74.32, 24.52 | 108.17 | 2.47 | 35 |
| 4 | 09/15/2025 | 22:25:56 | 74.26,-168.03 | 71.78 | 09/15/2025 | 22:25:05 | 74.22,-168.02 | 71.76 | 3.79 | 51 |
| 5 | 09/18/2025 | 07:56:51 | 74.30, 49.14 | 72.74 | 09/18/2025 | 07:57:17 | 74.32, 49.09 | 72.76 | 3.22 | 26 |
| 6 | 09/18/2025 | 08:47:34 | -74.25,-143.42 | 107.30 | 09/18/2025 | 08:46:39 | -74.27,-143.36 | 107.27 | 3.27 | 55 |
| 7 | 09/20/2025 | 18:18:30 | -74.34, 73.62 | 106.28 | 09/20/2025 | 18:18:52 | -74.31, 73.62 | 106.32 | 3.42 | 22 |
| 8 | 09/20/2025 | 19:09:14 | 74.25,-118.83 | 73.63 | 09/20/2025 | 19:08:10 | 74.26,-118.82 | 73.65 | 1.31 | 64 |
| 9 | 09/23/2025 | 04:40:10 | 74.34, 98.21 | 74.66 | 09/23/2025 | 04:40:22 | 74.33, 98.25 | 74.64 | 1.48 | 12 |
| 10 | 09/23/2025 | 05:30:52 | -74.25, -94.24 | 105.44 | 09/23/2025 | 05:29:45 | -74.24, -94.31 | 105.43 | 2.44 | 67 |
| 11 | 09/25/2025 | 14:11:18 | 75.01, -46.36 | 76.34 | 09/25/2025 | 14:12:24 | 74.91, -43.47 | 76.09 | 84.09 | 66 |
| 12 | 09/25/2025 | 15:01:48 | -74.34, 122.79 | 104.41 | 09/25/2025 | 15:01:56 | -74.35, 122.85 | 104.40 | 2.10 | 8 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/12/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/12/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA