Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/19/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 05/20/2025 | 23:26:02 | 70.04,-175.48 | 49.78 | 05/20/2025 | 23:26:46 | 70.03,-175.54 | 49.77 | 2.56 | 44 |
| 2 | 05/21/2025 | 00:16:45 | -69.98, -8.07 | 130.29 | 05/21/2025 | 00:16:15 | -69.97, -7.99 | 130.31 | 3.32 | 30 |
| 3 | 05/23/2025 | 14:52:28 | -70.82, 131.74 | 129.92 | 05/23/2025 | 14:53:36 | -70.72, 133.70 | 130.08 | 72.80 | 68 |
| 4 | 05/23/2025 | 15:42:58 | 70.00, -59.64 | 49.21 | 05/23/2025 | 15:43:14 | 70.01, -59.69 | 49.23 | 2.62 | 16 |
| 5 | 05/23/2025 | 16:33:40 | -69.88, 107.85 | 130.92 | 05/23/2025 | 16:32:44 | -69.90, 107.79 | 130.89 | 2.92 | 56 |
| 6 | 05/26/2025 | 07:09:11 | -70.10,-111.35 | 131.15 | 05/26/2025 | 07:10:15 | -70.08,-111.36 | 131.18 | 2.45 | 64 |
| 7 | 05/26/2025 | 07:59:54 | 69.96, 56.18 | 48.69 | 05/26/2025 | 07:59:42 | 69.97, 56.14 | 48.71 | 2.45 | 12 |
| 8 | 05/26/2025 | 08:50:28 | -69.47,-135.78 | 131.82 | 05/26/2025 | 08:49:17 | -69.53,-136.83 | 131.73 | 41.46 | 71 |
| 9 | 05/28/2025 | 23:26:06 | -70.07, 4.47 | 131.62 | 05/28/2025 | 23:26:41 | -70.08, 4.52 | 131.62 | 1.95 | 35 |
| 10 | 05/29/2025 | 00:16:49 | 69.93, 172.00 | 48.23 | 05/29/2025 | 00:16:09 | 69.91, 171.93 | 48.22 | 2.98 | 40 |
| 11 | 05/31/2025 | 14:52:24 | 70.37, -47.55 | 48.31 | 05/31/2025 | 14:53:36 | 70.27, -46.96 | 48.18 | 25.04 | 72 |
| 12 | 05/31/2025 | 15:43:01 | -69.99, 120.36 | 132.10 | 05/31/2025 | 15:43:09 | -69.99, 120.29 | 132.09 | 2.95 | 8 |
| 13 | 05/31/2025 | 16:33:45 | 69.90, -72.19 | 47.81 | 05/31/2025 | 16:32:36 | 69.88, -72.22 | 47.80 | 2.42 | 69 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/19/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/19/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9