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: 7/13/2025
| 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 | 07/14/2025 | 17:02:27 | 74.00, -86.53 | 52.79 | 07/14/2025 | 17:02:47 | 74.01, -86.58 | 52.80 | 2.28 | 20 |
| 2 | 07/14/2025 | 17:53:09 | -73.95, 80.91 | 127.27 | 07/14/2025 | 17:52:07 | -73.94, 80.91 | 127.27 | 1.53 | 62 |
| 3 | 07/17/2025 | 03:24:07 | -74.03, -62.01 | 126.79 | 07/17/2025 | 03:24:28 | -74.05, -61.99 | 126.78 | 2.35 | 21 |
| 4 | 07/17/2025 | 04:14:51 | 73.94, 105.51 | 53.12 | 07/17/2025 | 04:13:49 | 73.93, 105.44 | 53.14 | 2.30 | 62 |
| 5 | 07/19/2025 | 13:45:49 | 74.03, -37.43 | 53.65 | 07/19/2025 | 13:46:10 | 74.03, -37.49 | 53.65 | 1.89 | 21 |
| 6 | 07/19/2025 | 14:36:32 | -73.96, 130.04 | 126.42 | 07/19/2025 | 14:35:31 | -73.96, 130.01 | 126.41 | 0.98 | 61 |
| 7 | 07/22/2025 | 00:07:30 | -74.04, -12.90 | 125.86 | 07/22/2025 | 00:07:52 | -74.04, -12.94 | 125.87 | 1.27 | 22 |
| 8 | 07/22/2025 | 00:58:14 | 73.97, 154.59 | 54.06 | 07/22/2025 | 00:57:12 | 73.98, 154.59 | 54.09 | 0.92 | 62 |
| 9 | 07/24/2025 | 10:29:12 | 74.06, 11.63 | 54.66 | 07/24/2025 | 10:29:33 | 74.05, 11.60 | 54.64 | 1.55 | 21 |
| 10 | 07/24/2025 | 11:19:55 | -73.99, 179.14 | 125.42 | 07/24/2025 | 11:18:54 | -73.98, 179.12 | 125.41 | 0.65 | 61 |
| 11 | 07/26/2025 | 20:50:53 | -74.07, 36.18 | 124.80 | 07/26/2025 | 20:51:14 | -74.10, 36.23 | 124.79 | 2.90 | 21 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/13/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/13/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA