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: 7/2/2025
| 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 | 07/02/2025 | 14:03:30 | 70.14, -34.62 | 47.13 | 07/02/2025 | 14:04:35 | 70.13, -34.69 | 47.12 | 2.68 | 65 |
| 2 | 07/02/2025 | 14:54:12 | -70.07, 132.80 | 132.94 | 07/02/2025 | 14:54:04 | -70.07, 132.86 | 132.94 | 2.29 | 8 |
| 3 | 07/02/2025 | 15:44:49 | 69.56, -59.13 | 46.53 | 07/02/2025 | 15:43:38 | 69.59, -60.17 | 46.60 | 40.53 | 71 |
| 4 | 07/05/2025 | 06:20:25 | 70.12, 81.17 | 47.35 | 07/05/2025 | 06:21:04 | 70.09, 81.14 | 47.32 | 3.41 | 39 |
| 5 | 07/05/2025 | 07:11:06 | -70.00,-111.32 | 132.78 | 07/05/2025 | 07:10:34 | -69.99,-111.38 | 132.79 | 2.65 | 32 |
| 6 | 07/07/2025 | 21:46:48 | -70.81, 28.53 | 131.64 | 07/07/2025 | 21:47:57 | -70.70, 30.27 | 131.83 | 65.01 | 69 |
| 7 | 07/07/2025 | 22:37:21 | 70.11,-163.05 | 47.62 | 07/07/2025 | 22:37:33 | 70.10,-162.97 | 47.60 | 3.36 | 12 |
| 8 | 07/07/2025 | 23:28:02 | -69.98, 4.48 | 132.52 | 07/07/2025 | 23:27:03 | -69.99, 4.51 | 132.50 | 2.23 | 59 |
| 9 | 07/10/2025 | 14:03:32 | -70.17, 145.32 | 131.99 | 07/10/2025 | 14:04:36 | -70.15, 145.34 | 132.03 | 2.68 | 64 |
| 10 | 07/10/2025 | 14:54:16 | 70.05, -47.19 | 47.89 | 07/10/2025 | 14:54:03 | 70.03, -47.18 | 47.87 | 2.12 | 13 |
| 11 | 07/10/2025 | 15:44:50 | -69.54, 120.89 | 132.64 | 07/10/2025 | 15:43:39 | -69.60, 119.86 | 132.53 | 40.55 | 71 |
| 12 | 07/13/2025 | 06:20:27 | -70.11, -98.82 | 131.68 | 07/13/2025 | 06:21:05 | -70.13, -98.80 | 131.67 | 2.27 | 38 |
| 13 | 07/13/2025 | 07:11:11 | 70.00, 68.66 | 48.21 | 07/13/2025 | 07:10:32 | 70.01, 68.68 | 48.23 | 1.76 | 39 |
| 14 | 07/15/2025 | 21:46:48 | 70.63,-151.18 | 49.28 | 07/15/2025 | 21:47:58 | 70.47,-150.05 | 49.07 | 45.48 | 70 |
| 15 | 07/15/2025 | 22:37:22 | -70.10, 16.96 | 131.27 | 07/15/2025 | 22:37:33 | -70.09, 17.04 | 131.29 | 3.04 | 11 |
| 16 | 07/15/2025 | 23:28:05 | 69.95,-175.49 | 48.57 | 07/15/2025 | 23:27:00 | 69.98,-175.48 | 48.61 | 3.40 | 65 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/2/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/02/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8