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: 6/12/2025
| 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 | 06/13/2025 | 21:46:38 | 70.83,-151.45 | 47.55 | 06/13/2025 | 21:47:46 | 70.74,-149.68 | 47.40 | 65.82 | 68 |
| 2 | 06/13/2025 | 22:37:07 | -70.09, 17.05 | 133.23 | 06/13/2025 | 22:37:26 | -70.08, 16.99 | 133.24 | 2.53 | 19 |
| 3 | 06/13/2025 | 23:27:52 | 69.99,-175.50 | 46.67 | 06/13/2025 | 23:26:53 | 69.98,-175.51 | 46.66 | 1.65 | 59 |
| 4 | 06/16/2025 | 14:03:22 | 70.15, -34.61 | 46.74 | 06/16/2025 | 14:04:28 | 70.15, -34.67 | 46.72 | 2.49 | 66 |
| 5 | 06/16/2025 | 14:54:03 | -70.04, 132.89 | 133.39 | 06/16/2025 | 14:53:58 | -70.04, 132.81 | 133.38 | 2.87 | 5 |
| 6 | 06/16/2025 | 15:44:41 | 69.57, -59.11 | 46.13 | 06/16/2025 | 15:43:30 | 69.66, -60.08 | 46.25 | 38.53 | 71 |
| 7 | 06/19/2025 | 06:20:19 | 70.16, 81.14 | 46.69 | 06/19/2025 | 06:20:59 | 70.14, 81.20 | 46.67 | 3.07 | 40 |
| 8 | 06/19/2025 | 07:11:00 | -70.05,-111.36 | 133.43 | 06/19/2025 | 07:10:29 | -70.04,-111.31 | 133.44 | 1.93 | 31 |
| 9 | 06/21/2025 | 21:46:43 | -70.94, 28.34 | 132.49 | 06/21/2025 | 21:47:51 | -70.84, 30.46 | 132.68 | 78.15 | 68 |
| 10 | 06/21/2025 | 22:37:13 | 70.07,-162.96 | 46.59 | 06/21/2025 | 22:37:30 | 70.07,-163.03 | 46.59 | 2.66 | 17 |
| 11 | 06/21/2025 | 23:27:54 | -69.95, 4.55 | 133.54 | 06/21/2025 | 23:27:00 | -69.97, 4.47 | 133.51 | 3.73 | 54 |
| 12 | 06/24/2025 | 14:03:25 | -70.17, 145.35 | 133.26 | 06/24/2025 | 14:04:34 | -70.15, 145.32 | 133.29 | 2.80 | 69 |
| 13 | 06/24/2025 | 14:54:09 | 70.04, -47.14 | 46.60 | 06/24/2025 | 14:54:01 | 70.03, -47.20 | 46.60 | 2.26 | 8 |
| 14 | 06/24/2025 | 15:44:46 | -69.70, 120.68 | 133.75 | 06/24/2025 | 15:43:34 | -69.77, 120.07 | 133.65 | 24.86 | 72 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/12/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/12/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8