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: 8/13/2025
| 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 | 08/15/2025 | 15:18:35 | -70.00, 126.57 | 123.86 | 08/15/2025 | 15:19:05 | -70.01, 126.59 | 123.85 | 1.87 | 30 |
| 2 | 08/15/2025 | 16:09:19 | 69.88, -65.93 | 56.02 | 08/15/2025 | 16:08:33 | 69.86, -65.99 | 56.01 | 2.91 | 46 |
| 3 | 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 |
| 4 | 08/18/2025 | 07:35:29 | -69.96,-117.59 | 123.05 | 08/18/2025 | 07:35:36 | -69.94,-117.63 | 123.08 | 2.78 | 7 |
| 5 | 08/18/2025 | 08:26:13 | 69.84, 49.90 | 56.84 | 08/18/2025 | 08:25:03 | 69.83, 49.86 | 56.84 | 1.59 | 70 |
| 6 | 08/20/2025 | 23:01:40 | 70.02,-169.22 | 57.87 | 08/20/2025 | 23:02:35 | 70.01,-169.29 | 57.86 | 2.91 | 55 |
| 7 | 08/20/2025 | 23:52:22 | -69.92, -1.76 | 122.22 | 08/20/2025 | 23:52:05 | -69.90, -1.80 | 122.24 | 3.05 | 17 |
| 8 | 08/21/2025 | 00:42:52 | 69.07, 166.79 | 56.91 | 08/21/2025 | 00:41:44 | 69.13, 164.80 | 57.04 | 79.23 | 68 |
| 9 | 08/23/2025 | 15:18:34 | 69.99, -53.40 | 58.74 | 08/23/2025 | 15:19:04 | 70.00, -53.41 | 58.75 | 1.39 | 30 |
| 10 | 08/23/2025 | 16:09:16 | -69.89, 114.06 | 121.35 | 08/23/2025 | 16:08:34 | -69.90, 114.08 | 121.34 | 0.99 | 42 |
| 11 | 08/26/2025 | 06:44:51 | -70.44,-105.63 | 119.89 | 08/26/2025 | 06:46:02 | -70.32,-104.72 | 120.05 | 36.49 | 71 |
| 12 | 08/26/2025 | 07:35:28 | 69.97, 62.41 | 59.64 | 08/26/2025 | 07:35:33 | 69.98, 62.45 | 59.65 | 2.05 | 5 |
| 13 | 08/26/2025 | 08:26:10 | -69.87,-130.12 | 120.46 | 08/26/2025 | 08:25:03 | -69.88,-130.06 | 120.44 | 2.77 | 67 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/13/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/13/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8