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: 6/4/2025
| 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 | 06/05/2025 | 23:26:09 | 69.97,-175.38 | 47.25 | 06/05/2025 | 23:26:40 | 69.99,-175.46 | 47.27 | 3.70 | 31 |
| 2 | 06/06/2025 | 00:16:52 | -69.92, -7.99 | 132.81 | 06/06/2025 | 00:16:09 | -69.92, -7.92 | 132.80 | 2.85 | 43 |
| 3 | 06/08/2025 | 14:52:26 | -70.32, 132.54 | 132.63 | 06/08/2025 | 14:53:38 | -70.22, 133.12 | 132.76 | 24.61 | 72 |
| 4 | 06/08/2025 | 15:43:05 | 69.96, -59.59 | 46.99 | 06/08/2025 | 15:43:08 | 69.95, -59.62 | 46.99 | 0.99 | 3 |
| 5 | 06/08/2025 | 16:33:47 | -69.85, 107.88 | 133.12 | 06/08/2025 | 16:32:38 | -69.84, 107.86 | 133.13 | 1.75 | 69 |
| 6 | 06/11/2025 | 07:09:17 | -70.05,-111.28 | 133.11 | 06/11/2025 | 07:10:08 | -70.06,-111.22 | 133.11 | 2.24 | 51 |
| 7 | 06/11/2025 | 08:00:00 | 69.90, 56.27 | 46.73 | 06/11/2025 | 07:59:36 | 69.90, 56.20 | 46.73 | 2.65 | 24 |
| 8 | 06/11/2025 | 08:50:26 | -69.00,-135.12 | 134.21 | 06/11/2025 | 08:49:19 | -69.01,-137.35 | 134.12 | 88.94 | 67 |
| 9 | 06/13/2025 | 22:35:45 | 70.95,-164.25 | 47.68 | 06/13/2025 | 22:36:51 | 70.86,-161.77 | 47.52 | 90.82 | 66 |
| 10 | 06/13/2025 | 23:26:11 | -70.00, 4.58 | 133.32 | 06/13/2025 | 23:26:35 | -69.98, 4.57 | 133.34 | 1.66 | 24 |
| 11 | 06/14/2025 | 00:16:55 | 69.90, 172.04 | 46.58 | 06/14/2025 | 00:16:02 | 69.87, 172.06 | 46.56 | 2.92 | 53 |
| 12 | 06/16/2025 | 14:52:24 | 70.06, -47.06 | 46.65 | 06/16/2025 | 14:53:32 | 70.05, -47.08 | 46.63 | 1.36 | 68 |
| 13 | 06/16/2025 | 15:43:06 | -69.95, 120.42 | 133.47 | 06/16/2025 | 15:43:02 | -69.94, 120.41 | 133.48 | 1.17 | 4 |
| 14 | 06/16/2025 | 16:33:45 | 69.58, -71.73 | 46.15 | 06/16/2025 | 16:32:33 | 69.61, -72.41 | 46.20 | 26.57 | 72 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/4/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/04/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9