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: 9/14/2025
| 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 | 09/15/2025 | 21:35:11 | -74.30, 24.56 | 108.19 | 09/15/2025 | 21:35:46 | -74.32, 24.52 | 108.17 | 2.75 | 35 |
| 2 | 09/15/2025 | 22:25:56 | 74.25,-168.02 | 71.78 | 09/15/2025 | 22:25:05 | 74.22,-168.02 | 71.76 | 3.14 | 51 |
| 3 | 09/18/2025 | 07:56:52 | 74.34, 49.02 | 72.79 | 09/18/2025 | 07:57:17 | 74.32, 49.08 | 72.76 | 3.30 | 25 |
| 4 | 09/18/2025 | 08:47:34 | -74.25,-143.42 | 107.30 | 09/18/2025 | 08:46:39 | -74.27,-143.37 | 107.28 | 2.59 | 55 |
| 5 | 09/20/2025 | 18:18:30 | -74.34, 73.61 | 106.28 | 09/20/2025 | 18:18:51 | -74.35, 73.72 | 106.28 | 3.13 | 21 |
| 6 | 09/20/2025 | 19:09:14 | 74.25,-118.83 | 73.63 | 09/20/2025 | 19:08:10 | 74.25,-118.84 | 73.65 | 0.20 | 64 |
| 7 | 09/23/2025 | 04:40:10 | 74.35, 98.19 | 74.66 | 09/23/2025 | 04:40:22 | 74.32, 98.21 | 74.63 | 3.29 | 12 |
| 8 | 09/23/2025 | 05:30:52 | -74.25, -94.26 | 105.43 | 09/23/2025 | 05:29:44 | -74.27, -94.23 | 105.40 | 1.94 | 68 |
| 9 | 09/25/2025 | 14:11:18 | 75.03, -46.39 | 76.35 | 09/25/2025 | 14:12:23 | 74.94, -43.40 | 76.11 | 86.61 | 65 |
| 10 | 09/25/2025 | 15:01:47 | -74.31, 122.88 | 104.45 | 09/25/2025 | 15:01:56 | -74.33, 122.79 | 104.43 | 3.44 | 9 |
| 11 | 09/25/2025 | 15:52:28 | 74.06, -69.19 | 75.30 | 09/25/2025 | 15:51:16 | 74.17, -69.88 | 75.45 | 24.19 | 72 |
| 12 | 09/28/2025 | 00:32:52 | -74.85, -21.29 | 102.92 | 09/28/2025 | 00:34:01 | -74.73, -19.36 | 103.14 | 57.74 | 69 |
| 13 | 09/28/2025 | 01:23:27 | 74.32, 147.44 | 76.50 | 09/28/2025 | 01:23:26 | 74.32, 147.35 | 76.51 | 2.95 | 1 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/14/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/14/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA