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: 8/19/2025
| 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 | 08/20/2025 | 23:01:40 | 70.02,-169.22 | 57.88 | 08/20/2025 | 23:02:35 | 70.01,-169.29 | 57.86 | 3.11 | 55 |
| 2 | 08/20/2025 | 23:52:22 | -69.94, -1.78 | 122.20 | 08/20/2025 | 23:52:04 | -69.95, -1.74 | 122.19 | 1.97 | 18 |
| 3 | 08/21/2025 | 00:42:52 | 69.07, 166.78 | 56.91 | 08/21/2025 | 00:41:44 | 69.13, 164.80 | 57.04 | 79.06 | 68 |
| 4 | 08/23/2025 | 15:18:34 | 70.00, -53.41 | 58.75 | 08/23/2025 | 15:19:04 | 70.01, -53.41 | 58.75 | 0.91 | 30 |
| 5 | 08/23/2025 | 16:09:16 | -69.91, 114.05 | 121.34 | 08/23/2025 | 16:08:34 | -69.90, 114.07 | 121.35 | 1.41 | 42 |
| 6 | 08/26/2025 | 06:44:51 | -70.45,-105.65 | 119.87 | 08/26/2025 | 06:46:02 | -70.32,-104.72 | 120.05 | 37.64 | 71 |
| 7 | 08/26/2025 | 07:35:28 | 69.98, 62.40 | 59.65 | 08/26/2025 | 07:35:33 | 69.99, 62.45 | 59.66 | 2.52 | 5 |
| 8 | 08/26/2025 | 08:26:10 | -69.88,-130.14 | 120.45 | 08/26/2025 | 08:25:03 | -69.88,-130.06 | 120.44 | 2.87 | 67 |
| 9 | 08/28/2025 | 23:01:38 | -70.06, 10.74 | 119.34 | 08/28/2025 | 23:02:35 | -70.07, 10.81 | 119.35 | 2.79 | 57 |
| 10 | 08/28/2025 | 23:52:21 | 69.91, 178.28 | 60.51 | 08/28/2025 | 23:52:03 | 69.90, 178.22 | 60.51 | 2.45 | 18 |
| 11 | 08/29/2025 | 00:42:52 | -69.22, -13.41 | 120.19 | 08/29/2025 | 00:41:43 | -69.25, -15.04 | 120.11 | 64.35 | 69 |
| 12 | 08/31/2025 | 15:18:30 | -69.99, 126.62 | 118.46 | 08/31/2025 | 15:19:04 | -69.97, 126.56 | 118.49 | 3.49 | 34 |
| 13 | 08/31/2025 | 16:09:14 | 69.90, -65.92 | 61.45 | 08/31/2025 | 16:08:30 | 69.91, -65.88 | 61.47 | 2.31 | 44 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/19/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/19/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8