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: 7/19/2025
| 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 | 07/19/2025 | 13:45:50 | 74.05, -37.50 | 53.68 | 07/19/2025 | 13:46:10 | 74.05, -37.44 | 53.67 | 1.73 | 20 |
| 2 | 07/19/2025 | 14:36:32 | -73.95, 130.08 | 126.44 | 07/19/2025 | 14:35:31 | -73.97, 130.04 | 126.39 | 2.96 | 61 |
| 3 | 07/22/2025 | 00:07:30 | -74.03, -12.86 | 125.88 | 07/22/2025 | 00:07:52 | -74.05, -12.91 | 125.86 | 3.20 | 22 |
| 4 | 07/22/2025 | 00:58:15 | 74.00, 154.52 | 54.10 | 07/22/2025 | 00:57:12 | 74.00, 154.63 | 54.10 | 3.29 | 63 |
| 5 | 07/24/2025 | 10:29:11 | 74.04, 11.68 | 54.64 | 07/24/2025 | 10:29:32 | 74.07, 11.64 | 54.66 | 2.86 | 21 |
| 6 | 07/24/2025 | 11:19:54 | -73.97, 179.17 | 125.44 | 07/24/2025 | 11:18:53 | -73.99, 179.14 | 125.40 | 1.96 | 61 |
| 7 | 07/26/2025 | 20:50:52 | -74.06, 36.21 | 124.81 | 07/26/2025 | 20:51:14 | -74.05, 36.13 | 124.83 | 3.00 | 22 |
| 8 | 07/26/2025 | 21:41:36 | 74.00,-156.31 | 55.13 | 07/26/2025 | 21:40:34 | 73.98,-156.34 | 55.13 | 1.73 | 62 |
| 9 | 07/29/2025 | 07:12:34 | 74.09, 60.71 | 55.79 | 07/29/2025 | 07:12:54 | 74.08, 60.73 | 55.77 | 1.97 | 20 |
| 10 | 07/29/2025 | 08:03:17 | -74.01,-131.77 | 124.30 | 07/29/2025 | 08:02:15 | -74.01,-131.75 | 124.28 | 0.76 | 62 |
| 11 | 07/31/2025 | 17:34:15 | -74.11, 85.25 | 123.60 | 07/31/2025 | 17:34:35 | -74.10, 85.30 | 123.63 | 2.12 | 20 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/19/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/19/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA