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: 5/21/2025
| 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 | 05/23/2025 | 14:03:04 | -70.27, 145.31 | 130.51 | 05/23/2025 | 14:04:16 | -70.24, 145.46 | 130.54 | 6.52 | 72 |
| 2 | 05/23/2025 | 14:53:47 | 70.08, -47.10 | 49.30 | 05/23/2025 | 14:53:44 | 70.09, -47.12 | 49.30 | 0.87 | 3 |
| 3 | 05/23/2025 | 15:44:28 | -69.95, 120.41 | 130.84 | 05/23/2025 | 15:43:14 | -69.97, 120.36 | 130.82 | 3.07 | 74 |
| 4 | 05/26/2025 | 06:20:00 | -70.18, -98.80 | 131.08 | 05/26/2025 | 06:20:47 | -70.17, -98.75 | 131.09 | 1.77 | 47 |
| 5 | 05/26/2025 | 07:10:44 | 70.04, 68.71 | 48.78 | 05/26/2025 | 07:10:14 | 70.07, 68.74 | 48.81 | 3.19 | 30 |
| 6 | 05/28/2025 | 21:46:28 | 70.96,-151.61 | 49.31 | 05/28/2025 | 21:47:35 | 70.85,-149.49 | 49.15 | 78.11 | 67 |
| 7 | 05/28/2025 | 22:36:55 | -70.10, 17.09 | 131.60 | 05/28/2025 | 22:37:17 | -70.09, 17.01 | 131.60 | 3.01 | 22 |
| 8 | 05/28/2025 | 23:27:40 | 70.01,-175.48 | 48.32 | 05/28/2025 | 23:26:43 | 70.04,-175.42 | 48.34 | 3.49 | 57 |
| 9 | 05/31/2025 | 14:03:11 | 70.20, -34.63 | 48.13 | 05/31/2025 | 14:04:16 | 70.20, -34.58 | 48.12 | 1.93 | 65 |
| 10 | 05/31/2025 | 14:53:52 | -70.07, 132.89 | 132.01 | 05/31/2025 | 14:53:46 | -70.10, 132.91 | 131.99 | 2.95 | 6 |
| 11 | 05/31/2025 | 15:44:30 | 69.62, -59.13 | 47.52 | 05/31/2025 | 15:43:19 | 69.66, -60.07 | 47.58 | 36.41 | 71 |
| 12 | 06/03/2025 | 06:20:07 | 70.13, 81.24 | 47.71 | 06/03/2025 | 06:20:46 | 70.13, 81.21 | 47.71 | 1.25 | 39 |
| 13 | 06/03/2025 | 07:10:49 | -70.05,-111.33 | 132.37 | 06/03/2025 | 07:10:16 | -70.03,-111.30 | 132.40 | 2.72 | 33 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/21/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/21/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8