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: 3/18/2025
| 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 | 03/20/2025 | 14:03:15 | -70.27, 145.31 | 109.82 | 03/20/2025 | 14:04:27 | -70.25, 145.41 | 109.86 | 4.28 | 72 |
| 2 | 03/20/2025 | 14:53:58 | 70.11, -47.14 | 70.00 | 03/20/2025 | 14:53:55 | 70.09, -47.18 | 69.98 | 2.93 | 3 |
| 3 | 03/20/2025 | 15:44:38 | -69.91, 120.49 | 110.23 | 03/20/2025 | 15:43:25 | -69.97, 120.29 | 110.15 | 10.37 | 73 |
| 4 | 03/23/2025 | 06:20:07 | -70.19, -98.79 | 110.97 | 03/23/2025 | 06:20:52 | -70.16, -98.82 | 111.01 | 3.29 | 45 |
| 5 | 03/23/2025 | 07:10:51 | 70.09, 68.68 | 68.91 | 03/23/2025 | 07:10:18 | 70.10, 68.74 | 68.93 | 3.04 | 33 |
| 6 | 03/25/2025 | 21:46:28 | 70.81,-151.32 | 68.64 | 03/25/2025 | 21:47:37 | 70.67,-149.81 | 68.44 | 57.74 | 69 |
| 7 | 03/25/2025 | 22:36:59 | -70.12, 17.09 | 112.10 | 03/25/2025 | 22:37:15 | -70.12, 17.02 | 112.11 | 2.80 | 16 |
| 8 | 03/25/2025 | 23:27:43 | 70.03,-175.46 | 67.79 | 03/25/2025 | 23:26:41 | 70.06,-175.42 | 67.82 | 3.34 | 62 |
| 9 | 03/28/2025 | 14:03:08 | 70.19, -34.56 | 66.94 | 03/28/2025 | 14:04:06 | 70.18, -34.62 | 66.91 | 3.05 | 58 |
| 10 | 03/28/2025 | 14:53:51 | -70.13, 132.86 | 113.15 | 03/28/2025 | 14:53:35 | -70.12, 132.93 | 113.16 | 3.00 | 16 |
| 11 | 03/28/2025 | 15:44:22 | 69.35, -58.69 | 66.03 | 03/28/2025 | 15:43:13 | 69.40, -60.42 | 66.14 | 67.97 | 69 |
| 12 | 03/31/2025 | 06:20:00 | 70.17, 81.25 | 65.87 | 03/31/2025 | 06:20:26 | 70.17, 81.29 | 65.86 | 1.30 | 26 |
| 13 | 03/31/2025 | 07:10:42 | -70.05,-111.24 | 114.28 | 03/31/2025 | 07:09:56 | -70.07,-111.23 | 114.26 | 1.73 | 46 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/18/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/18/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8