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: 8/6/2025
| 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 | -71.06, 28.09 | 124.77 | 08/08/2025 | 21:48:06 | -71.00, 30.72 | 124.93 | 95.56 | 66 |
| 2 | 08/08/2025 | 22:37:27 | 70.09,-163.03 | 54.22 | 08/08/2025 | 22:37:48 | 70.08,-163.01 | 54.20 | 1.26 | 21 |
| 3 | 08/08/2025 | 23:28:09 | -69.97, 4.46 | 125.90 | 08/08/2025 | 23:27:18 | -69.97, 4.47 | 125.90 | 0.32 | 51 |
| 4 | 08/11/2025 | 14:03:39 | -70.26, 145.15 | 124.83 | 08/11/2025 | 14:04:50 | -70.21, 145.41 | 124.90 | 11.57 | 71 |
| 5 | 08/11/2025 | 14:54:20 | 70.02, -47.17 | 54.93 | 08/11/2025 | 14:54:18 | 70.05, -47.17 | 54.96 | 2.64 | 2 |
| 6 | 08/11/2025 | 15:45:02 | -69.90, 120.33 | 125.19 | 08/11/2025 | 15:43:49 | -69.89, 120.23 | 125.19 | 4.16 | 73 |
| 7 | 08/14/2025 | 06:20:31 | -70.10, -98.82 | 124.19 | 08/14/2025 | 06:21:22 | -70.11, -98.85 | 124.19 | 1.80 | 51 |
| 8 | 08/14/2025 | 07:11:15 | 70.02, 68.61 | 55.74 | 08/14/2025 | 07:10:49 | 70.00, 68.64 | 55.72 | 2.33 | 26 |
| 9 | 08/14/2025 | 08:01:41 | -69.05,-122.66 | 125.27 | 08/14/2025 | 08:00:34 | -69.07,-124.98 | 125.15 | 92.24 | 67 |
| 10 | 08/16/2025 | 22:37:26 | -70.09, 16.96 | 123.36 | 08/16/2025 | 22:37:52 | -70.11, 17.02 | 123.36 | 2.77 | 26 |
| 11 | 08/16/2025 | 23:28:09 | 69.97,-175.54 | 56.52 | 08/16/2025 | 23:27:20 | 69.94,-175.57 | 56.50 | 3.35 | 49 |
| 12 | 08/19/2025 | 14:03:40 | 70.28, -34.87 | 57.69 | 08/19/2025 | 14:04:51 | 70.24, -34.54 | 57.63 | 13.34 | 71 |
| 13 | 08/19/2025 | 14:54:20 | -70.04, 132.81 | 122.55 | 08/19/2025 | 14:54:23 | -70.03, 132.79 | 122.57 | 1.59 | 3 |
| 14 | 08/19/2025 | 15:45:03 | 69.91, -59.69 | 57.33 | 08/19/2025 | 15:43:50 | 69.91, -59.72 | 57.34 | 1.35 | 73 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/6/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/06/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8