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: 7/30/2025
| 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 | 07/31/2025 | 17:34:15 | -74.11, 85.27 | 123.61 | 07/31/2025 | 17:34:34 | -74.10, 85.30 | 123.63 | 1.39 | 19 |
| 2 | 07/31/2025 | 18:24:59 | 74.04,-107.25 | 56.33 | 07/31/2025 | 18:23:54 | 74.03,-107.16 | 56.34 | 2.58 | 65 |
| 3 | 08/03/2025 | 03:55:56 | 74.10, 109.87 | 57.00 | 08/03/2025 | 03:56:14 | 74.07, 109.79 | 56.98 | 3.49 | 18 |
| 4 | 08/03/2025 | 04:46:39 | -74.02, -82.62 | 123.08 | 08/03/2025 | 04:45:35 | -74.00, -82.70 | 123.07 | 2.78 | 64 |
| 5 | 08/05/2025 | 14:17:36 | -74.12, 134.38 | 122.32 | 08/05/2025 | 14:17:52 | -74.14, 134.46 | 122.32 | 2.85 | 16 |
| 6 | 08/05/2025 | 15:08:19 | 74.02, -58.04 | 57.57 | 08/05/2025 | 15:07:13 | 74.01, -58.15 | 57.59 | 3.60 | 66 |
| 7 | 08/08/2025 | 00:39:17 | 74.13, 158.94 | 58.36 | 08/08/2025 | 00:39:31 | 74.12, 158.96 | 58.34 | 1.71 | 14 |
| 8 | 08/08/2025 | 01:30:00 | -74.04, -33.53 | 121.73 | 08/08/2025 | 01:28:52 | -74.06, -33.50 | 121.70 | 1.98 | 68 |
| 9 | 08/10/2025 | 11:00:57 | -74.11,-176.43 | 120.97 | 08/10/2025 | 11:01:11 | -74.11,-176.53 | 120.97 | 3.13 | 14 |
| 10 | 08/10/2025 | 11:51:41 | 74.06, -8.98 | 58.99 | 08/10/2025 | 11:50:30 | 74.07, -8.94 | 59.01 | 1.45 | 71 |
| 11 | 08/12/2025 | 21:22:38 | 74.13,-151.90 | 59.78 | 08/12/2025 | 21:22:48 | 74.14,-151.91 | 59.78 | 0.85 | 10 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/30/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA