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: 3/17/2025
| 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 | 03/17/2025 | 22:37:06 | 70.17,-163.00 | 71.13 | 03/17/2025 | 22:37:30 | 70.16,-162.97 | 71.11 | 1.91 | 24 |
| 2 | 03/17/2025 | 23:27:47 | -70.03, 4.53 | 109.04 | 03/17/2025 | 23:27:00 | -70.04, 4.50 | 109.02 | 2.13 | 47 |
| 3 | 03/20/2025 | 14:03:15 | -70.28, 145.29 | 109.81 | 03/20/2025 | 14:04:27 | -70.24, 145.39 | 109.87 | 6.20 | 72 |
| 4 | 03/20/2025 | 14:53:58 | 70.12, -47.16 | 70.01 | 03/20/2025 | 14:53:54 | 70.13, -47.12 | 70.02 | 1.57 | 4 |
| 5 | 03/20/2025 | 15:44:38 | -69.92, 120.47 | 110.22 | 03/20/2025 | 15:43:25 | -69.96, 120.28 | 110.16 | 8.56 | 73 |
| 6 | 03/23/2025 | 06:20:07 | -70.19, -98.80 | 110.97 | 03/23/2025 | 06:20:51 | -70.21, -98.75 | 110.96 | 2.74 | 44 |
| 7 | 03/23/2025 | 07:10:51 | 70.09, 68.66 | 68.92 | 03/23/2025 | 07:10:18 | 70.10, 68.73 | 68.92 | 2.71 | 33 |
| 8 | 03/25/2025 | 21:46:28 | 70.81,-151.32 | 68.64 | 03/25/2025 | 21:47:37 | 70.67,-149.80 | 68.44 | 57.72 | 69 |
| 9 | 03/25/2025 | 22:36:59 | -70.12, 17.09 | 112.11 | 03/25/2025 | 22:37:15 | -70.13, 17.03 | 112.10 | 2.60 | 16 |
| 10 | 03/25/2025 | 23:27:43 | 70.03,-175.46 | 67.79 | 03/25/2025 | 23:26:42 | 70.01,-175.49 | 67.78 | 2.25 | 61 |
| 11 | 03/28/2025 | 14:03:09 | 70.18, -34.54 | 66.92 | 03/28/2025 | 14:04:07 | 70.20, -34.59 | 66.94 | 3.15 | 58 |
| 12 | 03/28/2025 | 14:53:52 | -70.11, 132.88 | 113.17 | 03/28/2025 | 14:53:37 | -70.09, 132.89 | 113.19 | 2.42 | 15 |
| 13 | 03/28/2025 | 15:44:23 | 69.34, -58.67 | 66.02 | 03/28/2025 | 15:43:15 | 69.37, -60.46 | 66.11 | 70.42 | 68 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/17/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/17/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8