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: 8/8/2025
| 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 | 08/08/2025 | 22:36:32 | -70.70, 16.03 | 125.13 | 08/08/2025 | 22:37:41 | -70.57, 17.71 | 125.33 | 63.40 | 69 |
| 2 | 08/08/2025 | 23:27:05 | 69.99,-175.55 | 54.13 | 08/08/2025 | 23:27:17 | 69.98,-175.51 | 54.12 | 2.09 | 12 |
| 3 | 08/09/2025 | 00:17:46 | -69.86, -8.03 | 125.99 | 08/09/2025 | 00:16:47 | -69.86, -8.03 | 125.98 | 0.40 | 59 |
| 4 | 08/11/2025 | 14:53:14 | -70.07, 132.80 | 125.02 | 08/11/2025 | 14:54:20 | -70.08, 132.88 | 125.01 | 3.30 | 66 |
| 5 | 08/11/2025 | 15:43:58 | 69.94, -59.70 | 54.87 | 08/11/2025 | 15:43:48 | 69.92, -59.70 | 54.85 | 1.89 | 10 |
| 6 | 08/11/2025 | 16:34:34 | -69.54, 108.21 | 125.54 | 08/11/2025 | 16:33:22 | -69.60, 107.48 | 125.46 | 28.93 | 72 |
| 7 | 08/14/2025 | 07:10:08 | -70.02,-111.34 | 124.26 | 08/14/2025 | 07:10:52 | -70.02,-111.34 | 124.27 | 0.21 | 44 |
| 8 | 08/14/2025 | 08:00:52 | 69.90, 56.15 | 55.63 | 08/14/2025 | 08:00:19 | 69.91, 56.15 | 55.65 | 1.58 | 33 |
| 9 | 08/16/2025 | 22:36:34 | 70.80,-164.12 | 57.39 | 08/16/2025 | 22:37:42 | 70.70,-162.10 | 57.22 | 75.12 | 68 |
| 10 | 08/16/2025 | 23:27:02 | -69.97, 4.50 | 123.47 | 08/16/2025 | 23:27:23 | -69.99, 4.50 | 123.46 | 2.20 | 21 |
| 11 | 08/17/2025 | 00:17:46 | 69.86, 171.98 | 56.42 | 08/17/2025 | 00:16:50 | 69.88, 171.99 | 56.45 | 2.70 | 56 |
| 12 | 08/19/2025 | 14:53:14 | 70.02, -47.12 | 57.44 | 08/19/2025 | 14:54:24 | 70.05, -47.17 | 57.45 | 3.35 | 70 |
| 13 | 08/19/2025 | 15:43:56 | -69.93, 120.35 | 122.65 | 08/19/2025 | 15:43:54 | -69.94, 120.31 | 122.64 | 2.31 | 2 |
| 14 | 08/19/2025 | 16:34:36 | 69.60, -71.87 | 57.03 | 08/19/2025 | 16:33:24 | 69.67, -72.43 | 57.11 | 22.59 | 72 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/8/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/08/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9