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: 11/29/2025
| 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 | -70.08, 132.76 | 88.13 | 12/01/2025 | 14:54:40 | -70.06, 132.81 | 88.15 | 2.58 | 28 |
| 2 | 12/01/2025 | 15:44:56 | 69.94, -59.73 | 91.74 | 12/01/2025 | 15:44:07 | 69.96, -59.69 | 91.75 | 2.41 | 49 |
| 3 | 12/04/2025 | 06:20:29 | 70.12, 81.14 | 92.29 | 12/04/2025 | 06:21:40 | 70.12, 81.14 | 92.29 | 0.09 | 71 |
| 4 | 12/04/2025 | 07:11:10 | -69.98,-111.34 | 87.85 | 12/04/2025 | 07:11:10 | -70.01,-111.38 | 87.82 | 3.09 | 0 |
| 5 | 12/04/2025 | 08:01:52 | 69.75, 56.32 | 91.92 | 12/04/2025 | 08:00:39 | 69.79, 55.96 | 91.97 | 14.92 | 73 |
| 6 | 12/06/2025 | 22:37:28 | 70.09,-163.06 | 92.59 | 12/06/2025 | 22:38:09 | 70.09,-163.01 | 92.59 | 1.80 | 41 |
| 7 | 12/06/2025 | 23:28:09 | -69.95, 4.47 | 87.55 | 12/06/2025 | 23:27:39 | -69.99, 4.47 | 87.52 | 3.73 | 30 |
| 8 | 12/09/2025 | 14:03:53 | -70.72, 144.40 | 86.50 | 12/09/2025 | 14:05:02 | -70.65, 146.04 | 86.59 | 60.63 | 69 |
| 9 | 12/09/2025 | 14:54:26 | 70.02, -47.19 | 92.80 | 12/09/2025 | 14:54:38 | 70.04, -47.20 | 92.82 | 2.90 | 12 |
| 10 | 12/09/2025 | 15:45:08 | -69.93, 120.27 | 87.30 | 12/09/2025 | 15:44:08 | -69.94, 120.29 | 87.28 | 1.46 | 60 |
| 11 | 12/12/2025 | 06:20:40 | -70.12, -98.89 | 86.88 | 12/12/2025 | 06:21:38 | -70.14, -98.83 | 86.87 | 3.25 | 58 |
| 12 | 12/12/2025 | 07:11:24 | 70.01, 68.59 | 93.01 | 12/12/2025 | 07:11:05 | 70.03, 68.66 | 93.03 | 3.28 | 19 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/29/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/29/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9