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: 7/12/2025
| 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 | 07/12/2025 | 06:40:44 | -74.00,-111.11 | 127.58 | 07/12/2025 | 06:41:04 | -74.02,-111.10 | 127.57 | 1.75 | 20 |
| 2 | 07/12/2025 | 07:31:28 | 73.90, 56.44 | 52.32 | 07/12/2025 | 07:30:25 | 73.91, 56.33 | 52.35 | 3.44 | 63 |
| 3 | 07/14/2025 | 17:02:27 | 74.03, -86.61 | 52.83 | 07/14/2025 | 17:02:46 | 74.03, -86.54 | 52.81 | 2.13 | 19 |
| 4 | 07/14/2025 | 17:53:09 | -73.93, 80.95 | 127.29 | 07/14/2025 | 17:52:07 | -73.96, 80.96 | 127.25 | 2.56 | 62 |
| 5 | 07/17/2025 | 03:24:07 | -74.01, -61.97 | 126.81 | 07/17/2025 | 03:24:29 | -74.02, -62.05 | 126.80 | 2.69 | 22 |
| 6 | 07/17/2025 | 04:14:52 | 73.97, 105.43 | 53.16 | 07/17/2025 | 04:13:49 | 73.96, 105.49 | 53.16 | 2.56 | 63 |
| 7 | 07/19/2025 | 13:45:50 | 74.06, -37.52 | 53.69 | 07/19/2025 | 13:46:10 | 74.06, -37.43 | 53.68 | 2.54 | 20 |
| 8 | 07/19/2025 | 14:36:33 | -73.99, 129.96 | 126.38 | 07/19/2025 | 14:35:31 | -73.99, 130.07 | 126.38 | 3.62 | 62 |
| 9 | 07/22/2025 | 00:07:31 | -74.07, -12.98 | 125.83 | 07/22/2025 | 00:07:52 | -74.08, -12.87 | 125.84 | 3.39 | 21 |
| 10 | 07/22/2025 | 00:58:14 | 73.95, 154.63 | 54.04 | 07/22/2025 | 00:57:13 | 73.96, 154.55 | 54.07 | 2.78 | 61 |
| 11 | 07/24/2025 | 10:29:12 | 74.04, 11.68 | 54.64 | 07/24/2025 | 10:29:34 | 74.04, 11.58 | 54.63 | 3.13 | 22 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/12/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/12/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA