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: 7/28/2025
| 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 | 07/29/2025 | 07:12:34 | 74.08, 60.74 | 55.78 | 07/29/2025 | 07:12:53 | 74.11, 60.79 | 55.79 | 2.98 | 19 |
| 2 | 07/29/2025 | 08:03:17 | -74.01,-131.77 | 124.30 | 07/29/2025 | 08:02:14 | -74.03,-131.71 | 124.27 | 2.28 | 63 |
| 3 | 07/31/2025 | 17:34:15 | -74.11, 85.25 | 123.60 | 07/31/2025 | 17:34:34 | -74.09, 85.29 | 123.63 | 2.77 | 19 |
| 4 | 07/31/2025 | 18:24:58 | 74.00,-107.15 | 56.28 | 07/31/2025 | 18:23:54 | 74.03,-107.18 | 56.33 | 3.39 | 64 |
| 5 | 08/03/2025 | 03:55:56 | 74.11, 109.84 | 57.02 | 08/03/2025 | 03:56:13 | 74.12, 109.89 | 57.02 | 2.16 | 17 |
| 6 | 08/03/2025 | 04:46:39 | -74.03, -82.64 | 123.07 | 08/03/2025 | 04:45:35 | -74.00, -82.70 | 123.07 | 3.32 | 64 |
| 7 | 08/05/2025 | 14:17:37 | -74.13, 134.36 | 122.31 | 08/05/2025 | 14:17:53 | -74.14, 134.46 | 122.32 | 3.24 | 16 |
| 8 | 08/05/2025 | 15:08:20 | 74.03, -58.07 | 57.58 | 08/05/2025 | 15:07:13 | 74.06, -58.04 | 57.63 | 3.41 | 67 |
| 9 | 08/08/2025 | 00:39:16 | 74.10, 159.03 | 58.32 | 08/08/2025 | 00:39:31 | 74.12, 158.96 | 58.34 | 3.33 | 15 |
| 10 | 08/08/2025 | 01:30:00 | -74.06, -33.55 | 121.72 | 08/08/2025 | 01:28:52 | -74.06, -33.49 | 121.70 | 2.04 | 68 |
| 11 | 08/10/2025 | 11:00:57 | -74.12,-176.46 | 120.96 | 08/10/2025 | 11:01:11 | -74.11,-176.52 | 120.97 | 2.23 | 14 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/28/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/28/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA