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: 2/14/2025
| 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 | 02/16/2025 | 15:42:55 | 69.99, -59.68 | 82.14 | 02/16/2025 | 15:43:56 | 69.99, -59.69 | 82.13 | 0.65 | 61 |
| 2 | 02/16/2025 | 16:33:37 | -69.91, 107.77 | 97.97 | 02/16/2025 | 16:33:26 | -69.88, 107.79 | 97.99 | 3.23 | 11 |
| 3 | 02/16/2025 | 17:24:11 | 69.25, -83.97 | 81.34 | 02/16/2025 | 17:23:01 | 69.33, -85.31 | 81.49 | 53.34 | 70 |
| 4 | 02/19/2025 | 07:59:49 | 69.98, 56.11 | 81.18 | 02/19/2025 | 08:00:25 | 69.97, 56.16 | 81.16 | 2.28 | 36 |
| 5 | 02/19/2025 | 08:50:30 | -69.85,-136.37 | 98.98 | 02/19/2025 | 08:49:55 | -69.87,-136.35 | 98.96 | 2.04 | 35 |
| 6 | 02/21/2025 | 23:26:09 | -70.63, 3.56 | 99.09 | 02/21/2025 | 23:27:18 | -70.52, 5.19 | 99.28 | 61.47 | 69 |
| 7 | 02/22/2025 | 00:16:42 | 69.93, 171.96 | 80.16 | 02/22/2025 | 00:16:54 | 69.92, 171.96 | 80.14 | 2.03 | 12 |
| 8 | 02/22/2025 | 01:07:23 | -69.80, -20.52 | 100.00 | 02/22/2025 | 01:06:24 | -69.81, -20.55 | 99.98 | 1.77 | 59 |
| 9 | 02/24/2025 | 15:42:50 | -70.02, 120.31 | 100.73 | 02/24/2025 | 15:43:54 | -69.99, 120.30 | 100.77 | 3.21 | 64 |
| 10 | 02/24/2025 | 16:33:34 | 69.89, -72.20 | 79.13 | 02/24/2025 | 16:33:21 | 69.87, -72.21 | 79.11 | 2.60 | 13 |
| 11 | 02/24/2025 | 17:24:08 | -69.39, 95.86 | 101.42 | 02/24/2025 | 17:22:57 | -69.44, 94.83 | 101.31 | 40.55 | 71 |
| 12 | 02/27/2025 | 07:59:43 | -69.99,-123.87 | 101.77 | 02/27/2025 | 08:00:21 | -69.96,-123.85 | 101.81 | 3.09 | 38 |
| 13 | 02/27/2025 | 08:50:27 | 69.86, 43.62 | 78.09 | 02/27/2025 | 08:49:48 | 69.84, 43.63 | 78.07 | 2.73 | 39 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/14/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/14/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9