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: 6/13/2025
| 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 | 65.77 | 68 |
| 2 | 06/13/2025 | 22:37:07 | -70.09, 17.05 | 133.23 | 06/13/2025 | 22:37:26 | -70.08, 16.99 | 133.25 | 2.68 | 19 |
| 3 | 06/13/2025 | 23:27:52 | 69.99,-175.49 | 46.67 | 06/13/2025 | 23:26:53 | 69.98,-175.51 | 46.66 | 1.59 | 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 | 2.60 | 66 |
| 5 | 06/16/2025 | 14:54:03 | -70.04, 132.89 | 133.39 | 06/16/2025 | 14:53:58 | -70.04, 132.81 | 133.39 | 2.94 | 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 | 38.56 | 71 |
| 7 | 06/19/2025 | 06:20:19 | 70.16, 81.14 | 46.69 | 06/19/2025 | 06:20:59 | 70.14, 81.20 | 46.66 | 3.32 | 40 |
| 8 | 06/19/2025 | 07:11:00 | -70.05,-111.36 | 133.43 | 06/19/2025 | 07:10:29 | -70.04,-111.32 | 133.44 | 2.14 | 31 |
| 9 | 06/21/2025 | 21:46:43 | -70.95, 28.34 | 132.49 | 06/21/2025 | 21:47:51 | -70.83, 30.45 | 132.68 | 78.14 | 68 |
| 10 | 06/21/2025 | 22:37:13 | 70.07,-162.96 | 46.60 | 06/21/2025 | 22:37:30 | 70.06,-163.03 | 46.58 | 3.08 | 17 |
| 11 | 06/21/2025 | 23:27:55 | -70.01, 4.46 | 133.48 | 06/21/2025 | 23:26:59 | -70.02, 4.53 | 133.46 | 2.96 | 56 |
| 12 | 06/24/2025 | 14:03:25 | -70.18, 145.34 | 133.26 | 06/24/2025 | 14:04:33 | -70.19, 145.39 | 133.25 | 2.50 | 68 |
| 13 | 06/24/2025 | 14:54:09 | 70.04, -47.15 | 46.61 | 06/24/2025 | 14:54:01 | 70.02, -47.21 | 46.59 | 3.22 | 8 |
| 14 | 06/24/2025 | 15:44:46 | -69.71, 120.68 | 133.75 | 06/24/2025 | 15:43:34 | -69.76, 120.05 | 133.66 | 24.68 | 72 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/13/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/13/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8