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: 6/11/2025
| 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 | 06/11/2025 | 06:20:11 | -70.13, -98.78 | 133.03 | 06/11/2025 | 06:20:53 | -70.16, -98.76 | 133.01 | 3.28 | 42 |
| 2 | 06/11/2025 | 07:10:56 | 70.03, 68.68 | 46.86 | 06/11/2025 | 07:10:21 | 70.01, 68.66 | 46.84 | 2.73 | 35 |
| 3 | 06/13/2025 | 21:46:38 | 70.82,-151.44 | 47.54 | 06/13/2025 | 21:47:46 | 70.75,-149.66 | 47.41 | 65.66 | 68 |
| 4 | 06/13/2025 | 22:37:07 | -70.08, 17.06 | 133.24 | 06/13/2025 | 22:37:26 | -70.09, 17.01 | 133.23 | 2.42 | 19 |
| 5 | 06/13/2025 | 23:27:52 | 69.98,-175.48 | 46.66 | 06/13/2025 | 23:26:53 | 69.99,-175.49 | 46.67 | 0.82 | 59 |
| 6 | 06/16/2025 | 14:03:22 | 70.14, -34.59 | 46.73 | 06/16/2025 | 14:04:28 | 70.17, -34.65 | 46.74 | 3.09 | 66 |
| 7 | 06/16/2025 | 14:54:04 | -70.08, 132.82 | 133.34 | 06/16/2025 | 14:53:58 | -70.06, 132.84 | 133.37 | 2.59 | 6 |
| 8 | 06/16/2025 | 15:44:42 | 69.62, -59.18 | 46.18 | 06/16/2025 | 15:43:30 | 69.68, -60.05 | 46.27 | 34.40 | 72 |
| 9 | 06/19/2025 | 06:20:17 | 70.10, 81.23 | 46.63 | 06/19/2025 | 06:20:59 | 70.12, 81.16 | 46.64 | 3.17 | 42 |
| 10 | 06/19/2025 | 07:10:59 | -70.04,-111.35 | 133.44 | 06/19/2025 | 07:10:29 | -70.01,-111.35 | 133.46 | 2.54 | 30 |
| 11 | 06/21/2025 | 21:46:44 | -70.99, 28.27 | 132.45 | 06/21/2025 | 21:47:51 | -70.87, 30.52 | 132.64 | 82.81 | 67 |
| 12 | 06/21/2025 | 22:37:14 | 70.12,-163.03 | 46.64 | 06/21/2025 | 22:37:30 | 70.11,-162.97 | 46.63 | 2.32 | 16 |
| 13 | 06/21/2025 | 23:27:55 | -70.00, 4.48 | 133.49 | 06/21/2025 | 23:27:00 | -70.01, 4.52 | 133.47 | 2.06 | 55 |
| 14 | 06/24/2025 | 14:03:25 | -70.17, 145.36 | 133.27 | 06/24/2025 | 14:04:35 | -70.15, 145.31 | 133.30 | 2.80 | 70 |
| 15 | 06/24/2025 | 14:54:09 | 70.03, -47.13 | 46.60 | 06/24/2025 | 14:54:02 | 70.03, -47.21 | 46.59 | 2.89 | 7 |
| 16 | 06/24/2025 | 15:44:47 | -69.75, 120.61 | 133.70 | 06/24/2025 | 15:43:34 | -69.82, 120.14 | 133.60 | 20.16 | 73 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/11/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/11/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8