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: 11/25/2025
| 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 | 11/26/2025 | 06:20:24 | -70.64, -99.65 | 88.48 | 11/26/2025 | 06:21:33 | -70.53, -98.26 | 88.59 | 52.67 | 69 |
| 2 | 11/26/2025 | 07:10:59 | 70.02, 68.62 | 90.92 | 11/26/2025 | 07:11:08 | 69.99, 68.61 | 90.89 | 3.33 | 9 |
| 3 | 11/26/2025 | 08:01:40 | -69.90,-123.87 | 89.21 | 11/26/2025 | 08:00:38 | -69.88,-123.92 | 89.23 | 2.74 | 62 |
| 4 | 11/28/2025 | 22:37:14 | -70.11, 16.94 | 88.53 | 11/28/2025 | 22:38:11 | -70.10, 16.98 | 88.55 | 2.61 | 57 |
| 5 | 11/28/2025 | 23:27:58 | 69.98,-175.54 | 91.35 | 11/28/2025 | 23:27:38 | 69.99,-175.52 | 91.36 | 1.81 | 20 |
| 6 | 11/29/2025 | 00:18:28 | -69.27, -7.18 | 89.36 | 11/29/2025 | 00:17:19 | -69.28, -8.86 | 89.35 | 65.94 | 69 |
| 7 | 12/01/2025 | 14:54:12 | -70.07, 132.77 | 88.14 | 12/01/2025 | 14:54:40 | -70.07, 132.82 | 88.14 | 2.13 | 28 |
| 8 | 12/01/2025 | 15:44:56 | 69.94, -59.73 | 91.74 | 12/01/2025 | 15:44:07 | 69.96, -59.69 | 91.76 | 2.90 | 49 |
| 9 | 12/04/2025 | 06:20:29 | 70.12, 81.13 | 92.29 | 12/04/2025 | 06:21:40 | 70.12, 81.14 | 92.29 | 0.33 | 71 |
| 10 | 12/04/2025 | 07:11:11 | -70.04,-111.42 | 87.79 | 12/04/2025 | 07:11:10 | -70.01,-111.37 | 87.82 | 2.94 | 1 |
| 11 | 12/04/2025 | 08:01:52 | 69.75, 56.32 | 91.93 | 12/04/2025 | 08:00:39 | 69.79, 55.96 | 91.97 | 14.60 | 73 |
| 12 | 12/06/2025 | 22:37:28 | 70.10,-163.07 | 92.60 | 12/06/2025 | 22:38:09 | 70.09,-163.02 | 92.59 | 2.20 | 41 |
| 13 | 12/06/2025 | 23:28:09 | -69.96, 4.46 | 87.55 | 12/06/2025 | 23:27:39 | -69.99, 4.47 | 87.52 | 3.48 | 30 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/25/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/25/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9