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: 6/26/2025
| 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 | 06/27/2025 | 16:30:34 | -73.94, 101.57 | 129.05 | 06/27/2025 | 16:30:46 | -73.93, 101.59 | 129.07 | 1.37 | 12 |
| 2 | 06/27/2025 | 17:21:18 | 73.83, -90.84 | 50.82 | 06/27/2025 | 17:20:06 | 73.85, -90.93 | 50.86 | 3.48 | 72 |
| 3 | 06/30/2025 | 02:52:17 | 73.94, 126.15 | 51.08 | 06/30/2025 | 02:52:29 | 73.95, 126.14 | 51.09 | 0.87 | 12 |
| 4 | 06/30/2025 | 03:42:59 | -73.86, -66.33 | 129.01 | 06/30/2025 | 03:41:51 | -73.85, -66.41 | 129.00 | 2.87 | 68 |
| 5 | 07/02/2025 | 13:13:58 | -73.97, 150.67 | 128.71 | 07/02/2025 | 13:14:13 | -73.98, 150.74 | 128.71 | 2.79 | 15 |
| 6 | 07/02/2025 | 14:04:43 | 73.91, -41.89 | 51.23 | 07/02/2025 | 14:03:33 | 73.90, -41.77 | 51.23 | 3.77 | 70 |
| 7 | 07/04/2025 | 23:35:41 | 73.98, 175.21 | 51.52 | 07/04/2025 | 23:35:56 | 73.98, 175.24 | 51.51 | 1.16 | 15 |
| 8 | 07/05/2025 | 00:26:23 | -73.89, -17.25 | 128.58 | 07/05/2025 | 00:25:18 | -73.87, -17.32 | 128.58 | 2.87 | 65 |
| 9 | 07/07/2025 | 09:57:22 | -74.00,-160.26 | 128.20 | 07/07/2025 | 09:57:40 | -73.98,-160.23 | 128.23 | 2.35 | 18 |
| 10 | 07/07/2025 | 10:48:06 | 73.91, 7.27 | 51.70 | 07/07/2025 | 10:47:00 | 73.90, 7.27 | 51.71 | 0.48 | 66 |
| 11 | 07/09/2025 | 20:19:04 | 73.98,-135.64 | 52.07 | 07/09/2025 | 20:19:22 | 74.00,-135.65 | 52.09 | 2.52 | 18 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 6/26/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 06/26/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA