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: 8/11/2025
| 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 | -70.04, 10.74 | 124.65 | 08/12/2025 | 23:02:35 | -70.02, 10.73 | 124.67 | 1.29 | 54 |
| 2 | 08/12/2025 | 23:52:25 | 69.91, 178.24 | 55.23 | 08/12/2025 | 23:52:02 | 69.92, 178.23 | 55.25 | 1.51 | 23 |
| 3 | 08/13/2025 | 00:42:53 | -69.09, -13.26 | 125.62 | 08/13/2025 | 00:41:45 | -69.10, -15.25 | 125.53 | 79.29 | 68 |
| 4 | 08/15/2025 | 15:18:35 | -69.99, 126.58 | 123.87 | 08/15/2025 | 15:19:05 | -70.02, 126.60 | 123.85 | 2.98 | 30 |
| 5 | 08/15/2025 | 16:09:19 | 69.87, -65.93 | 56.02 | 08/15/2025 | 16:08:33 | 69.86, -65.98 | 56.01 | 2.69 | 46 |
| 6 | 08/18/2025 | 06:44:52 | 70.31, 74.55 | 57.31 | 08/18/2025 | 06:46:03 | 70.21, 75.12 | 57.18 | 24.06 | 71 |
| 7 | 08/18/2025 | 07:35:29 | -69.96,-117.58 | 123.06 | 08/18/2025 | 07:35:36 | -69.94,-117.63 | 123.08 | 2.67 | 7 |
| 8 | 08/18/2025 | 08:26:13 | 69.84, 49.90 | 56.84 | 08/18/2025 | 08:25:03 | 69.83, 49.86 | 56.83 | 2.03 | 70 |
| 9 | 08/20/2025 | 23:01:40 | 70.02,-169.22 | 57.88 | 08/20/2025 | 23:02:34 | 70.05,-169.23 | 57.90 | 3.40 | 54 |
| 10 | 08/20/2025 | 23:52:22 | -69.92, -1.76 | 122.22 | 08/20/2025 | 23:52:04 | -69.95, -1.74 | 122.19 | 2.75 | 18 |
| 11 | 08/21/2025 | 00:42:52 | 69.07, 166.78 | 56.91 | 08/21/2025 | 00:41:44 | 69.12, 164.78 | 57.03 | 79.52 | 68 |
| 12 | 08/23/2025 | 15:18:34 | 70.00, -53.41 | 58.75 | 08/23/2025 | 15:19:04 | 69.98, -53.44 | 58.73 | 2.07 | 30 |
| 13 | 08/23/2025 | 16:09:16 | -69.90, 114.06 | 121.35 | 08/23/2025 | 16:08:34 | -69.88, 114.05 | 121.36 | 1.76 | 42 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/11/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/11/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8