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: 8/6/2025
| 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 | 08/07/2025 | 15:18:37 | 69.98, -53.42 | 53.75 | 08/07/2025 | 15:19:00 | 70.01, -53.41 | 53.77 | 3.09 | 23 |
| 2 | 08/07/2025 | 16:09:19 | -69.91, 114.01 | 126.33 | 08/07/2025 | 16:08:30 | -69.90, 114.07 | 126.33 | 2.67 | 49 |
| 3 | 08/10/2025 | 06:44:51 | -70.27,-105.40 | 125.20 | 08/10/2025 | 06:46:02 | -70.20,-104.90 | 125.30 | 20.25 | 71 |
| 4 | 08/10/2025 | 07:35:31 | 69.93, 62.43 | 54.46 | 08/10/2025 | 07:35:32 | 69.93, 62.36 | 54.46 | 2.48 | 1 |
| 5 | 08/10/2025 | 08:26:13 | -69.85,-130.14 | 125.61 | 08/10/2025 | 08:25:01 | -69.88,-130.08 | 125.58 | 3.44 | 72 |
| 6 | 08/12/2025 | 23:01:42 | -70.06, 10.70 | 124.62 | 08/12/2025 | 23:02:35 | -70.06, 10.77 | 124.64 | 2.92 | 53 |
| 7 | 08/12/2025 | 23:52:26 | 69.94, 178.19 | 55.27 | 08/12/2025 | 23:52:02 | 69.95, 178.26 | 55.27 | 2.88 | 24 |
| 8 | 08/13/2025 | 00:42:53 | -69.06, -13.22 | 125.64 | 08/13/2025 | 00:41:45 | -69.13, -15.21 | 125.50 | 79.27 | 68 |
| 9 | 08/15/2025 | 15:18:35 | -70.02, 126.54 | 123.84 | 08/15/2025 | 15:19:05 | -70.00, 126.58 | 123.86 | 2.12 | 30 |
| 10 | 08/15/2025 | 16:09:19 | 69.90, -65.98 | 56.05 | 08/15/2025 | 16:08:32 | 69.89, -65.94 | 56.04 | 1.97 | 47 |
| 11 | 08/18/2025 | 06:44:52 | 70.34, 74.51 | 57.34 | 08/18/2025 | 06:46:02 | 70.25, 75.18 | 57.22 | 26.93 | 70 |
| 12 | 08/18/2025 | 07:35:29 | -69.98,-117.62 | 123.03 | 08/18/2025 | 07:35:35 | -69.99,-117.56 | 123.03 | 2.51 | 6 |
| 13 | 08/18/2025 | 08:26:13 | 69.87, 49.85 | 56.87 | 08/18/2025 | 08:25:02 | 69.87, 49.92 | 56.88 | 2.69 | 71 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/6/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/06/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8