Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/12/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 08/12/2025 | 23:01:41 | -70.06, 10.71 | 124.63 | 08/12/2025 | 23:02:34 | -70.06, 10.77 | 124.64 | 2.46 | 53 |
| 2 | 08/12/2025 | 23:52:25 | 69.93, 178.21 | 55.26 | 08/12/2025 | 23:52:02 | 69.90, 178.20 | 55.23 | 3.22 | 23 |
| 3 | 08/13/2025 | 00:42:52 | -69.06, -13.21 | 125.65 | 08/13/2025 | 00:41:44 | -69.13, -15.21 | 125.50 | 79.68 | 68 |
| 4 | 08/15/2025 | 15:18:35 | -70.02, 126.55 | 123.85 | 08/15/2025 | 15:19:05 | -70.00, 126.57 | 123.87 | 1.73 | 30 |
| 5 | 08/15/2025 | 16:09:19 | 69.89, -65.96 | 56.04 | 08/15/2025 | 16:08:32 | 69.90, -65.93 | 56.05 | 1.19 | 47 |
| 6 | 08/18/2025 | 06:44:52 | 70.33, 74.52 | 57.33 | 08/18/2025 | 06:46:02 | 70.25, 75.18 | 57.22 | 26.32 | 70 |
| 7 | 08/18/2025 | 07:35:29 | -69.98,-117.62 | 123.03 | 08/18/2025 | 07:35:35 | -69.98,-117.57 | 123.03 | 1.86 | 6 |
| 8 | 08/18/2025 | 08:26:13 | 69.86, 49.86 | 56.86 | 08/18/2025 | 08:25:02 | 69.87, 49.92 | 56.88 | 2.55 | 71 |
| 9 | 08/20/2025 | 23:01:41 | 70.04,-169.26 | 57.90 | 08/20/2025 | 23:02:35 | 70.05,-169.23 | 57.90 | 1.47 | 54 |
| 10 | 08/20/2025 | 23:52:23 | -69.95, -1.79 | 122.19 | 08/20/2025 | 23:52:05 | -69.95, -1.74 | 122.19 | 2.05 | 18 |
| 11 | 08/21/2025 | 00:42:53 | 69.09, 166.75 | 56.93 | 08/21/2025 | 00:41:45 | 69.12, 164.78 | 57.03 | 78.19 | 68 |
| 12 | 08/23/2025 | 15:18:34 | 70.02, -53.45 | 58.77 | 08/23/2025 | 15:19:04 | 69.99, -53.42 | 58.74 | 3.08 | 30 |
| 13 | 08/23/2025 | 16:09:15 | -69.87, 114.10 | 121.38 | 08/23/2025 | 16:08:34 | -69.89, 114.07 | 121.35 | 3.07 | 41 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/12/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/12/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8