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: 7/8/2025
| 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 | 07/10/2025 | 14:03:32 | -70.16, 145.35 | 132.01 | 07/10/2025 | 14:04:36 | -70.15, 145.34 | 132.03 | 0.84 | 64 |
| 2 | 07/10/2025 | 14:54:15 | 70.03, -47.16 | 47.87 | 07/10/2025 | 14:54:02 | 70.04, -47.16 | 47.88 | 1.44 | 13 |
| 3 | 07/10/2025 | 15:44:49 | -69.53, 120.91 | 132.66 | 07/10/2025 | 15:43:38 | -69.60, 119.86 | 132.53 | 41.56 | 71 |
| 4 | 07/13/2025 | 06:20:27 | -70.14, -98.87 | 131.64 | 07/13/2025 | 06:21:04 | -70.13, -98.80 | 131.67 | 3.36 | 37 |
| 5 | 07/13/2025 | 07:11:11 | 70.03, 68.62 | 48.24 | 07/13/2025 | 07:10:31 | 70.02, 68.69 | 48.23 | 2.89 | 40 |
| 6 | 07/15/2025 | 21:46:48 | 70.60,-151.14 | 49.26 | 07/15/2025 | 21:47:58 | 70.47,-150.05 | 49.07 | 43.13 | 70 |
| 7 | 07/15/2025 | 22:37:22 | -70.08, 16.99 | 131.29 | 07/15/2025 | 22:37:33 | -70.09, 17.03 | 131.29 | 1.67 | 11 |
| 8 | 07/15/2025 | 23:28:06 | 69.97,-175.53 | 48.60 | 07/15/2025 | 23:27:00 | 69.98,-175.48 | 48.61 | 1.98 | 66 |
| 9 | 07/18/2025 | 14:03:35 | 70.13, -34.63 | 49.22 | 07/18/2025 | 14:04:32 | 70.14, -34.64 | 49.22 | 0.99 | 57 |
| 10 | 07/18/2025 | 14:54:17 | -70.03, 132.84 | 130.89 | 07/18/2025 | 14:54:02 | -70.04, 132.85 | 130.88 | 1.19 | 15 |
| 11 | 07/18/2025 | 15:44:48 | 69.23, -58.69 | 48.29 | 07/18/2025 | 15:43:40 | 69.31, -60.50 | 48.45 | 71.85 | 68 |
| 12 | 07/21/2025 | 06:20:30 | 70.08, 81.21 | 49.67 | 07/21/2025 | 06:21:01 | 70.07, 81.15 | 49.65 | 2.44 | 31 |
| 13 | 07/21/2025 | 07:11:11 | -69.97,-111.31 | 130.44 | 07/21/2025 | 07:10:30 | -69.97,-111.35 | 130.44 | 1.74 | 41 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/8/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8