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: 9/4/2025
| 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 | 09/06/2025 | 04:08:35 | -74.31, -73.82 | 111.82 | 09/06/2025 | 04:09:33 | -74.29, -73.79 | 111.86 | 2.54 | 58 |
| 2 | 09/06/2025 | 04:59:19 | 74.23, 93.69 | 68.11 | 09/06/2025 | 04:58:52 | 74.20, 93.69 | 68.09 | 3.22 | 27 |
| 3 | 09/08/2025 | 14:30:15 | 74.31, -49.23 | 69.08 | 09/08/2025 | 14:31:05 | 74.29, -49.21 | 69.06 | 1.36 | 50 |
| 4 | 09/08/2025 | 15:20:58 | -74.25, 118.24 | 110.98 | 09/08/2025 | 15:20:27 | -74.24, 118.34 | 110.98 | 2.91 | 31 |
| 5 | 09/11/2025 | 00:51:54 | -74.33, -24.70 | 109.99 | 09/11/2025 | 00:52:40 | -74.31, -24.62 | 110.03 | 3.25 | 46 |
| 6 | 09/11/2025 | 01:42:37 | 74.20, 142.94 | 69.88 | 09/11/2025 | 01:41:59 | 74.21, 142.83 | 69.91 | 3.54 | 38 |
| 7 | 09/13/2025 | 11:13:33 | 74.29, -0.01 | 70.89 | 09/13/2025 | 11:14:11 | 74.29, -0.08 | 70.88 | 2.25 | 38 |
| 8 | 09/13/2025 | 12:04:16 | -74.23, 167.45 | 109.17 | 09/13/2025 | 12:03:33 | -74.25, 167.48 | 109.15 | 2.13 | 43 |
| 9 | 09/15/2025 | 21:35:12 | -74.33, 24.48 | 108.15 | 09/15/2025 | 21:35:45 | -74.31, 24.50 | 108.19 | 2.64 | 33 |
| 10 | 09/15/2025 | 22:25:56 | 74.25,-168.00 | 71.77 | 09/15/2025 | 22:25:03 | 74.25,-167.95 | 71.78 | 1.56 | 53 |
| 11 | 09/18/2025 | 07:56:51 | 74.30, 49.14 | 72.75 | 09/18/2025 | 07:57:14 | 74.32, 49.12 | 72.76 | 2.68 | 23 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/4/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/04/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA