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: 7/31/2025
| 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 | -74.12, 85.24 | 123.60 | 07/31/2025 | 17:34:34 | -74.09, 85.28 | 123.64 | 3.40 | 19 |
| 2 | 07/31/2025 | 18:24:59 | 74.04,-107.27 | 56.34 | 07/31/2025 | 18:23:54 | 74.03,-107.19 | 56.33 | 3.37 | 65 |
| 3 | 08/03/2025 | 03:55:56 | 74.10, 109.85 | 57.01 | 08/03/2025 | 03:56:13 | 74.12, 109.88 | 57.02 | 1.66 | 17 |
| 4 | 08/03/2025 | 04:46:39 | -74.03, -82.64 | 123.07 | 08/03/2025 | 04:45:34 | -74.05, -82.61 | 123.04 | 2.30 | 65 |
| 5 | 08/05/2025 | 14:17:37 | -74.13, 134.36 | 122.31 | 08/05/2025 | 14:17:53 | -74.13, 134.44 | 122.33 | 2.64 | 16 |
| 6 | 08/05/2025 | 15:08:20 | 74.02, -58.06 | 57.58 | 08/05/2025 | 15:07:13 | 74.05, -58.06 | 57.62 | 2.93 | 67 |
| 7 | 08/08/2025 | 00:39:17 | 74.14, 158.92 | 58.37 | 08/08/2025 | 00:39:31 | 74.11, 158.94 | 58.33 | 3.64 | 14 |
| 8 | 08/08/2025 | 01:30:00 | -74.05, -33.55 | 121.72 | 08/08/2025 | 01:28:52 | -74.05, -33.52 | 121.71 | 0.96 | 68 |
| 9 | 08/10/2025 | 11:00:57 | -74.12,-176.45 | 120.96 | 08/10/2025 | 11:01:10 | -74.15,-176.43 | 120.94 | 3.24 | 13 |
| 10 | 08/10/2025 | 11:51:41 | 74.07, -9.00 | 58.99 | 08/10/2025 | 11:50:30 | 74.06, -8.96 | 59.00 | 1.48 | 71 |
| 11 | 08/12/2025 | 21:22:38 | 74.14,-151.91 | 59.79 | 08/12/2025 | 21:22:48 | 74.13,-151.93 | 59.78 | 0.96 | 10 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/31/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/31/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA