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: 5/22/2025
| 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 | 05/23/2025 | 14:52:28 | -70.84, 131.72 | 129.91 | 05/23/2025 | 14:53:36 | -70.71, 133.68 | 130.09 | 73.39 | 68 |
| 2 | 05/23/2025 | 15:42:58 | 70.00, -59.66 | 49.22 | 05/23/2025 | 15:43:14 | 70.01, -59.70 | 49.22 | 1.53 | 16 |
| 3 | 05/23/2025 | 16:33:40 | -69.89, 107.83 | 130.90 | 05/23/2025 | 16:32:44 | -69.89, 107.77 | 130.91 | 2.23 | 56 |
| 4 | 05/26/2025 | 07:09:11 | -70.11,-111.36 | 131.14 | 05/26/2025 | 07:10:14 | -70.13,-111.29 | 131.14 | 3.26 | 63 |
| 5 | 05/26/2025 | 07:59:54 | 69.96, 56.17 | 48.70 | 05/26/2025 | 07:59:42 | 69.97, 56.13 | 48.71 | 1.59 | 12 |
| 6 | 05/26/2025 | 08:50:29 | -69.48,-135.80 | 131.81 | 05/26/2025 | 08:49:18 | -69.52,-136.84 | 131.73 | 40.97 | 71 |
| 7 | 05/28/2025 | 23:26:06 | -70.08, 4.46 | 131.62 | 05/28/2025 | 23:26:41 | -70.08, 4.52 | 131.62 | 2.13 | 35 |
| 8 | 05/29/2025 | 00:16:49 | 69.93, 171.99 | 48.23 | 05/29/2025 | 00:16:09 | 69.91, 171.94 | 48.22 | 2.69 | 40 |
| 9 | 05/31/2025 | 14:52:25 | 70.42, -47.63 | 48.37 | 05/31/2025 | 14:53:35 | 70.33, -46.86 | 48.25 | 30.47 | 70 |
| 10 | 05/31/2025 | 15:43:01 | -69.99, 120.36 | 132.09 | 05/31/2025 | 15:43:09 | -70.00, 120.30 | 132.08 | 2.60 | 8 |
| 11 | 05/31/2025 | 16:33:45 | 69.90, -72.19 | 47.81 | 05/31/2025 | 16:32:36 | 69.89, -72.21 | 47.81 | 0.94 | 69 |
| 12 | 06/03/2025 | 07:09:15 | 70.08, 68.67 | 47.67 | 06/03/2025 | 07:10:06 | 70.07, 68.65 | 47.65 | 1.55 | 51 |
| 13 | 06/03/2025 | 07:59:57 | -69.97,-123.83 | 132.46 | 06/03/2025 | 07:59:36 | -69.96,-123.87 | 132.46 | 1.40 | 21 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/22/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/22/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9