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: 7/8/2025
| 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 | 07/09/2025 | 20:19:04 | 74.00,-135.68 | 52.09 | 07/09/2025 | 20:19:22 | 73.98,-135.70 | 52.07 | 2.15 | 18 |
| 2 | 07/09/2025 | 21:09:46 | -73.91, 31.86 | 128.01 | 07/09/2025 | 21:08:43 | -73.91, 31.81 | 127.99 | 1.58 | 63 |
| 3 | 07/12/2025 | 06:40:44 | -73.98,-111.05 | 127.61 | 07/12/2025 | 06:41:05 | -73.99,-111.16 | 127.59 | 3.46 | 21 |
| 4 | 07/12/2025 | 07:31:29 | 73.93, 56.37 | 52.35 | 07/12/2025 | 07:30:25 | 73.93, 56.38 | 52.36 | 0.53 | 64 |
| 5 | 07/14/2025 | 17:02:27 | 74.02, -86.57 | 52.80 | 07/14/2025 | 17:02:47 | 74.00, -86.61 | 52.79 | 1.92 | 20 |
| 6 | 07/14/2025 | 17:53:10 | -73.96, 80.89 | 127.26 | 07/14/2025 | 17:52:08 | -73.93, 80.90 | 127.27 | 3.29 | 62 |
| 7 | 07/17/2025 | 03:24:08 | -74.04, -62.04 | 126.78 | 07/17/2025 | 03:24:29 | -74.04, -62.00 | 126.78 | 1.44 | 21 |
| 8 | 07/17/2025 | 04:14:52 | 73.95, 105.47 | 53.14 | 07/17/2025 | 04:13:49 | 73.98, 105.53 | 53.18 | 3.19 | 63 |
| 9 | 07/19/2025 | 13:45:49 | 74.04, -37.47 | 53.67 | 07/19/2025 | 13:46:10 | 74.02, -37.51 | 53.65 | 2.08 | 21 |
| 10 | 07/19/2025 | 14:36:32 | -73.97, 130.01 | 126.41 | 07/19/2025 | 14:35:31 | -73.95, 130.01 | 126.41 | 1.89 | 61 |
| 11 | 07/22/2025 | 00:07:30 | -74.05, -12.92 | 125.85 | 07/22/2025 | 00:07:52 | -74.04, -12.94 | 125.87 | 1.31 | 22 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/8/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA