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: 11/8/2025
| 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 | 11/10/2025 | 07:10:28 | 70.06, 68.67 | 87.18 | 11/10/2025 | 07:11:09 | 70.04, 68.67 | 87.17 | 1.86 | 41 |
| 2 | 11/10/2025 | 08:01:09 | -69.93,-123.83 | 92.94 | 11/10/2025 | 08:00:39 | -69.93,-123.85 | 92.94 | 0.98 | 30 |
| 3 | 11/12/2025 | 22:36:54 | -70.67, 16.15 | 91.49 | 11/12/2025 | 22:38:03 | -70.60, 17.71 | 91.56 | 58.25 | 69 |
| 4 | 11/12/2025 | 23:27:28 | 70.00,-175.50 | 87.86 | 11/12/2025 | 23:27:39 | 70.00,-175.51 | 87.85 | 1.02 | 11 |
| 5 | 11/13/2025 | 00:18:09 | -69.88, -7.99 | 92.26 | 11/13/2025 | 00:17:09 | -69.89, -8.03 | 92.25 | 2.10 | 60 |
| 6 | 11/15/2025 | 14:53:44 | -70.10, 132.81 | 91.37 | 11/15/2025 | 14:54:41 | -70.08, 132.84 | 91.39 | 2.29 | 57 |
| 7 | 11/15/2025 | 15:44:28 | 69.96, -59.68 | 88.51 | 11/15/2025 | 15:44:08 | 69.97, -59.67 | 88.52 | 1.07 | 20 |
| 8 | 11/15/2025 | 16:34:58 | -69.25, 108.68 | 92.20 | 11/15/2025 | 16:33:49 | -69.26, 107.00 | 92.19 | 66.27 | 69 |
| 9 | 11/18/2025 | 06:20:18 | 71.03, 79.73 | 90.23 | 11/18/2025 | 06:21:24 | 70.94, 82.38 | 90.14 | 96.32 | 66 |
| 10 | 11/18/2025 | 07:10:42 | -70.01,-111.30 | 90.80 | 11/18/2025 | 07:11:09 | -70.02,-111.36 | 90.79 | 2.44 | 27 |
| 11 | 11/18/2025 | 08:01:27 | 69.93, 56.13 | 89.13 | 11/18/2025 | 08:00:36 | 69.90, 56.12 | 89.10 | 2.52 | 51 |
| 12 | 11/20/2025 | 22:37:00 | 70.06,-162.95 | 89.86 | 11/20/2025 | 22:38:07 | 70.07,-163.03 | 89.87 | 3.14 | 67 |
| 13 | 11/20/2025 | 23:27:42 | -69.98, 4.49 | 90.22 | 11/20/2025 | 23:27:37 | -69.97, 4.46 | 90.23 | 1.49 | 5 |
| 14 | 11/21/2025 | 00:18:20 | 69.53, 172.47 | 89.34 | 11/21/2025 | 00:17:09 | 69.58, 171.57 | 89.39 | 35.46 | 71 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/8/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/08/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9