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: 9/10/2025
| 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 | 09/11/2025 | 00:51:54 | -74.33, -24.70 | 109.99 | 09/11/2025 | 00:52:40 | -74.33, -24.59 | 110.01 | 3.39 | 46 |
| 2 | 09/11/2025 | 01:42:38 | 74.24, 142.83 | 69.93 | 09/11/2025 | 01:41:59 | 74.23, 142.88 | 69.93 | 1.69 | 39 |
| 3 | 09/13/2025 | 11:13:34 | 74.32, -0.10 | 70.93 | 09/13/2025 | 11:14:12 | 74.30, -0.07 | 70.89 | 2.60 | 38 |
| 4 | 09/13/2025 | 12:04:16 | -74.22, 167.47 | 109.18 | 09/13/2025 | 12:03:34 | -74.25, 167.47 | 109.14 | 2.95 | 42 |
| 5 | 09/15/2025 | 21:35:12 | -74.31, 24.52 | 108.17 | 09/15/2025 | 21:35:47 | -74.31, 24.49 | 108.18 | 0.83 | 35 |
| 6 | 09/15/2025 | 22:25:56 | 74.22,-167.94 | 71.75 | 09/15/2025 | 22:25:06 | 74.21,-168.06 | 71.75 | 3.81 | 50 |
| 7 | 09/18/2025 | 07:56:52 | 74.31, 49.10 | 72.76 | 09/18/2025 | 07:57:18 | 74.30, 49.04 | 72.74 | 2.35 | 26 |
| 8 | 09/18/2025 | 08:47:35 | -74.26,-143.46 | 107.28 | 09/18/2025 | 08:46:40 | -74.25,-143.40 | 107.29 | 2.12 | 55 |
| 9 | 09/20/2025 | 18:18:29 | -74.31, 73.70 | 106.32 | 09/20/2025 | 18:18:51 | -74.33, 73.67 | 106.30 | 2.50 | 22 |
| 10 | 09/20/2025 | 19:09:14 | 74.27,-118.88 | 73.66 | 09/20/2025 | 19:08:09 | 74.28,-118.77 | 73.67 | 3.49 | 65 |
| 11 | 09/23/2025 | 04:40:09 | 74.32, 98.27 | 74.63 | 09/23/2025 | 04:40:21 | 74.34, 98.27 | 74.65 | 2.43 | 12 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/10/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/10/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA