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 | 73.99,-135.65 | 52.08 | 07/09/2025 | 20:19:22 | 74.00,-135.67 | 52.08 | 1.46 | 18 |
| 2 | 07/09/2025 | 21:09:47 | -73.94, 31.78 | 127.97 | 07/09/2025 | 21:08:43 | -73.92, 31.84 | 127.98 | 2.77 | 64 |
| 3 | 07/12/2025 | 06:40:45 | -74.01,-111.14 | 127.57 | 07/12/2025 | 06:41:05 | -74.01,-111.12 | 127.58 | 0.73 | 20 |
| 4 | 07/12/2025 | 07:31:29 | 73.92, 56.40 | 52.33 | 07/12/2025 | 07:30:25 | 73.95, 56.41 | 52.38 | 2.84 | 64 |
| 5 | 07/14/2025 | 17:02:26 | 74.00, -86.53 | 52.79 | 07/14/2025 | 17:02:46 | 74.02, -86.58 | 52.80 | 2.22 | 20 |
| 6 | 07/14/2025 | 17:53:09 | -73.94, 80.92 | 127.28 | 07/14/2025 | 17:52:07 | -73.94, 80.93 | 127.26 | 0.26 | 62 |
| 7 | 07/17/2025 | 03:24:07 | -74.02, -62.00 | 126.79 | 07/17/2025 | 03:24:29 | -74.00, -62.09 | 126.81 | 3.46 | 22 |
| 8 | 07/17/2025 | 04:14:51 | 73.94, 105.51 | 53.13 | 07/17/2025 | 04:13:49 | 73.94, 105.44 | 53.14 | 2.14 | 62 |
| 9 | 07/19/2025 | 13:45:49 | 74.03, -37.44 | 53.65 | 07/19/2025 | 13:46:10 | 74.03, -37.49 | 53.65 | 1.72 | 21 |
| 10 | 07/19/2025 | 14:36:32 | -73.96, 130.04 | 126.42 | 07/19/2025 | 14:35:31 | -73.96, 130.02 | 126.40 | 0.77 | 61 |
| 11 | 07/22/2025 | 00:07:30 | -74.04, -12.89 | 125.87 | 07/22/2025 | 00:07:52 | -74.05, -12.93 | 125.87 | 1.35 | 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