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: 11/30/2025
| 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 | 12/01/2025 | 14:54:12 | -70.04, 132.82 | 88.17 | 12/01/2025 | 14:54:41 | -70.04, 132.78 | 88.17 | 1.32 | 29 |
| 2 | 12/01/2025 | 15:44:57 | 69.95, -59.75 | 91.75 | 12/01/2025 | 15:44:08 | 69.94, -59.72 | 91.74 | 1.89 | 49 |
| 3 | 12/04/2025 | 06:20:29 | 70.13, 81.11 | 92.30 | 12/04/2025 | 06:21:39 | 70.15, 81.19 | 92.32 | 3.46 | 70 |
| 4 | 12/04/2025 | 07:11:10 | -70.00,-111.37 | 87.83 | 12/04/2025 | 07:11:10 | -69.99,-111.42 | 87.85 | 2.54 | 0 |
| 5 | 12/04/2025 | 08:01:51 | 69.71, 56.38 | 91.88 | 12/04/2025 | 08:00:39 | 69.77, 55.93 | 91.95 | 18.66 | 72 |
| 6 | 12/06/2025 | 22:37:27 | 70.05,-163.01 | 92.56 | 12/06/2025 | 22:38:09 | 70.07,-163.05 | 92.56 | 2.25 | 42 |
| 7 | 12/06/2025 | 23:28:09 | -69.97, 4.44 | 87.53 | 12/06/2025 | 23:27:39 | -69.96, 4.43 | 87.54 | 1.52 | 30 |
| 8 | 12/09/2025 | 14:03:53 | -70.73, 144.37 | 86.48 | 12/09/2025 | 14:05:02 | -70.61, 145.98 | 86.62 | 60.84 | 69 |
| 9 | 12/09/2025 | 14:54:26 | 70.04, -47.22 | 92.82 | 12/09/2025 | 14:54:38 | 70.01, -47.25 | 92.79 | 3.34 | 12 |
| 10 | 12/09/2025 | 15:45:08 | -69.95, 120.24 | 87.28 | 12/09/2025 | 15:44:07 | -69.96, 120.31 | 87.27 | 3.03 | 61 |
| 11 | 12/12/2025 | 06:20:40 | -70.09, -98.84 | 86.91 | 12/12/2025 | 06:21:39 | -70.09, -98.89 | 86.91 | 1.88 | 59 |
| 12 | 12/12/2025 | 07:11:24 | 69.97, 68.64 | 92.97 | 12/12/2025 | 07:11:06 | 69.98, 68.60 | 92.98 | 2.03 | 18 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/30/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/30/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9