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: 9/9/2025
| 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, -24.71 | 109.99 | 09/11/2025 | 00:52:40 | -74.32, -24.59 | 110.01 | 3.64 | 46 |
| 2 | 09/11/2025 | 01:42:38 | 74.25, 142.82 | 69.94 | 09/11/2025 | 01:41:59 | 74.23, 142.87 | 69.92 | 2.36 | 39 |
| 3 | 09/13/2025 | 11:13:33 | 74.28, 0.01 | 70.88 | 09/13/2025 | 11:14:12 | 74.30, -0.08 | 70.89 | 3.42 | 39 |
| 4 | 09/13/2025 | 12:04:16 | -74.23, 167.46 | 109.17 | 09/13/2025 | 12:03:34 | -74.25, 167.47 | 109.15 | 2.26 | 42 |
| 5 | 09/15/2025 | 21:35:12 | -74.32, 24.51 | 108.17 | 09/15/2025 | 21:35:47 | -74.30, 24.49 | 108.19 | 1.46 | 35 |
| 6 | 09/15/2025 | 22:25:56 | 74.23,-167.95 | 71.75 | 09/15/2025 | 22:25:05 | 74.25,-167.95 | 71.79 | 3.02 | 51 |
| 7 | 09/18/2025 | 07:56:52 | 74.32, 49.09 | 72.77 | 09/18/2025 | 07:57:17 | 74.34, 49.15 | 72.78 | 3.23 | 25 |
| 8 | 09/18/2025 | 08:47:35 | -74.27,-143.47 | 107.28 | 09/18/2025 | 08:46:40 | -74.25,-143.41 | 107.29 | 2.97 | 55 |
| 9 | 09/20/2025 | 18:18:29 | -74.32, 73.69 | 106.31 | 09/20/2025 | 18:18:51 | -74.32, 73.65 | 106.31 | 1.17 | 22 |
| 10 | 09/20/2025 | 19:09:14 | 74.27,-118.90 | 73.66 | 09/20/2025 | 19:08:09 | 74.26,-118.80 | 73.66 | 3.24 | 65 |
| 11 | 09/23/2025 | 04:40:09 | 74.32, 98.25 | 74.64 | 09/23/2025 | 04:40:21 | 74.32, 98.23 | 74.63 | 0.67 | 12 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/9/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/09/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA