Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/8/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 08/08/2025 | 21:47:00 | -71.07, 28.07 | 124.75 | 08/08/2025 | 21:48:06 | -70.99, 30.70 | 124.94 | 95.73 | 66 |
| 2 | 08/08/2025 | 22:37:27 | 70.10,-163.05 | 54.23 | 08/08/2025 | 22:37:48 | 70.07,-163.02 | 54.19 | 3.22 | 21 |
| 3 | 08/08/2025 | 23:28:09 | -69.98, 4.45 | 125.89 | 08/08/2025 | 23:27:18 | -69.96, 4.45 | 125.91 | 2.41 | 51 |
| 4 | 08/11/2025 | 14:03:39 | -70.22, 145.22 | 124.87 | 08/11/2025 | 14:04:51 | -70.20, 145.39 | 124.92 | 7.20 | 72 |
| 5 | 08/11/2025 | 14:54:20 | 70.03, -47.18 | 54.94 | 08/11/2025 | 14:54:18 | 70.04, -47.19 | 54.95 | 0.48 | 2 |
| 6 | 08/11/2025 | 15:45:02 | -69.91, 120.32 | 125.18 | 08/11/2025 | 15:43:48 | -69.93, 120.29 | 125.15 | 2.12 | 74 |
| 7 | 08/14/2025 | 06:20:31 | -70.11, -98.83 | 124.18 | 08/14/2025 | 06:21:22 | -70.10, -98.87 | 124.20 | 1.88 | 51 |
| 8 | 08/14/2025 | 07:11:14 | 69.97, 68.68 | 55.69 | 08/14/2025 | 07:10:49 | 69.99, 68.62 | 55.71 | 2.68 | 25 |
| 9 | 08/14/2025 | 08:01:40 | -69.00,-122.60 | 125.31 | 08/14/2025 | 08:00:34 | -69.06,-125.00 | 125.17 | 95.72 | 66 |
| 10 | 08/16/2025 | 22:37:26 | -70.10, 16.95 | 123.35 | 08/16/2025 | 22:37:52 | -70.09, 17.00 | 123.37 | 2.46 | 26 |
| 11 | 08/16/2025 | 23:28:09 | 69.97,-175.55 | 56.53 | 08/16/2025 | 23:27:19 | 69.98,-175.51 | 56.54 | 1.32 | 50 |
| 12 | 08/19/2025 | 14:03:40 | 70.28, -34.88 | 57.69 | 08/19/2025 | 14:04:51 | 70.22, -34.57 | 57.61 | 13.82 | 71 |
| 13 | 08/19/2025 | 14:54:20 | -70.05, 132.80 | 122.55 | 08/19/2025 | 14:54:22 | -70.06, 132.84 | 122.53 | 2.41 | 2 |
| 14 | 08/19/2025 | 15:45:03 | 69.92, -59.70 | 57.34 | 08/19/2025 | 15:43:49 | 69.95, -59.67 | 57.37 | 3.36 | 74 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/8/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8