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: 11/28/2025
| 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 | 11/28/2025 | 22:37:13 | -70.10, 16.97 | 88.54 | 11/28/2025 | 22:38:10 | -70.11, 17.00 | 88.53 | 2.11 | 57 |
| 2 | 11/28/2025 | 23:27:57 | 69.96,-175.51 | 91.33 | 11/28/2025 | 23:27:38 | 69.96,-175.57 | 91.32 | 2.28 | 19 |
| 3 | 11/29/2025 | 00:18:27 | -69.25, -7.16 | 89.38 | 11/29/2025 | 00:17:18 | -69.29, -8.84 | 89.34 | 66.29 | 69 |
| 4 | 12/01/2025 | 14:54:12 | -70.05, 132.80 | 88.16 | 12/01/2025 | 14:54:41 | -70.03, 132.76 | 88.18 | 2.85 | 29 |
| 5 | 12/01/2025 | 15:44:56 | 69.92, -59.69 | 91.71 | 12/01/2025 | 15:44:08 | 69.92, -59.74 | 91.72 | 2.02 | 48 |
| 6 | 12/04/2025 | 06:20:30 | 70.15, 81.09 | 92.32 | 12/04/2025 | 06:21:40 | 70.14, 81.17 | 92.31 | 3.05 | 70 |
| 7 | 12/04/2025 | 07:11:11 | -70.01,-111.39 | 87.82 | 12/04/2025 | 07:11:10 | -70.03,-111.36 | 87.80 | 2.05 | 1 |
| 8 | 12/04/2025 | 08:01:52 | 69.72, 56.36 | 91.90 | 12/04/2025 | 08:00:39 | 69.81, 55.98 | 91.99 | 17.31 | 73 |
| 9 | 12/06/2025 | 22:37:28 | 70.07,-163.03 | 92.57 | 12/06/2025 | 22:38:10 | 70.05,-163.07 | 92.55 | 2.41 | 42 |
| 10 | 12/06/2025 | 23:28:09 | -69.98, 4.42 | 87.52 | 12/06/2025 | 23:27:38 | -70.00, 4.49 | 87.50 | 3.37 | 31 |
| 11 | 12/09/2025 | 14:03:53 | -70.74, 144.35 | 86.47 | 12/09/2025 | 14:05:02 | -70.60, 145.97 | 86.63 | 61.54 | 69 |
| 12 | 12/09/2025 | 14:54:26 | 70.05, -47.24 | 92.83 | 12/09/2025 | 14:54:37 | 70.05, -47.19 | 92.83 | 1.82 | 11 |
| 13 | 12/09/2025 | 15:45:08 | -69.96, 120.22 | 87.27 | 12/09/2025 | 15:44:07 | -69.95, 120.30 | 87.28 | 3.14 | 61 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/28/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/28/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9