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: 7/14/2025
| 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 | 07/14/2025 | 14:28:04 | 70.67, -41.84 | 49.13 | 07/14/2025 | 14:29:13 | 70.58, -40.20 | 48.97 | 61.37 | 69 |
| 2 | 07/14/2025 | 15:18:34 | -69.97, 126.57 | 131.61 | 07/14/2025 | 15:18:52 | -69.98, 126.55 | 131.60 | 1.33 | 18 |
| 3 | 07/14/2025 | 16:09:19 | 69.88, -65.99 | 48.31 | 07/14/2025 | 16:08:19 | 69.88, -65.95 | 48.31 | 1.83 | 60 |
| 4 | 07/17/2025 | 06:44:48 | 70.05, 74.90 | 48.92 | 07/17/2025 | 06:45:53 | 70.07, 74.92 | 48.92 | 1.83 | 65 |
| 5 | 07/17/2025 | 07:35:29 | -69.93,-117.59 | 131.21 | 07/17/2025 | 07:35:23 | -69.96,-117.60 | 131.18 | 3.49 | 6 |
| 6 | 07/17/2025 | 08:26:07 | 69.47, 50.39 | 48.32 | 07/17/2025 | 08:24:56 | 69.52, 49.45 | 48.41 | 37.05 | 71 |
| 7 | 07/19/2025 | 23:01:42 | 70.02,-169.27 | 49.36 | 07/19/2025 | 23:02:23 | 70.03,-169.25 | 49.37 | 1.83 | 41 |
| 8 | 07/19/2025 | 23:52:23 | -69.89, -1.76 | 130.77 | 07/19/2025 | 23:51:54 | -69.87, -1.84 | 130.78 | 3.53 | 29 |
| 9 | 07/22/2025 | 14:28:08 | -70.90, 137.78 | 129.19 | 07/22/2025 | 14:29:15 | -70.75, 140.04 | 129.44 | 84.28 | 67 |
| 10 | 07/22/2025 | 15:18:37 | 69.99, -53.45 | 49.85 | 07/22/2025 | 15:18:54 | 69.98, -53.44 | 49.84 | 0.71 | 17 |
| 11 | 07/22/2025 | 16:09:18 | -69.86, 114.06 | 130.28 | 07/22/2025 | 16:08:24 | -69.88, 114.05 | 130.25 | 2.85 | 54 |
| 12 | 07/25/2025 | 06:44:47 | -70.03,-105.06 | 129.55 | 07/25/2025 | 06:45:58 | -70.04,-105.12 | 129.55 | 2.45 | 71 |
| 13 | 07/25/2025 | 07:35:31 | 69.91, 62.44 | 50.33 | 07/25/2025 | 07:35:25 | 69.92, 62.36 | 50.35 | 3.53 | 6 |
| 14 | 07/25/2025 | 08:26:10 | -69.67,-129.89 | 129.91 | 07/25/2025 | 08:24:57 | -69.72,-130.30 | 129.84 | 16.52 | 73 |
| 15 | 07/27/2025 | 23:01:42 | -70.01, 10.75 | 128.97 | 07/27/2025 | 23:02:28 | -70.02, 10.74 | 128.97 | 1.91 | 46 |
| 16 | 07/27/2025 | 23:52:26 | 69.88, 178.25 | 50.91 | 07/27/2025 | 23:51:55 | 69.91, 178.22 | 50.93 | 2.58 | 31 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/14/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/14/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8