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: 2/13/2025
| 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 | 02/13/2025 | 23:26:11 | 70.49,-176.22 | 83.59 | 02/13/2025 | 23:27:21 | 70.35,-175.06 | 83.38 | 46.13 | 70 |
| 2 | 02/14/2025 | 00:16:44 | -69.93, -8.04 | 97.02 | 02/14/2025 | 00:16:57 | -69.90, -8.05 | 97.05 | 2.75 | 13 |
| 3 | 02/14/2025 | 01:07:27 | 69.81, 159.45 | 82.84 | 02/14/2025 | 01:06:23 | 69.80, 159.45 | 82.85 | 0.61 | 64 |
| 4 | 02/16/2025 | 15:42:55 | 69.99, -59.68 | 82.14 | 02/16/2025 | 15:43:56 | 69.99, -59.69 | 82.13 | 0.58 | 61 |
| 5 | 02/16/2025 | 16:33:36 | -69.86, 107.84 | 98.02 | 02/16/2025 | 16:33:26 | -69.88, 107.79 | 97.99 | 3.33 | 10 |
| 6 | 02/16/2025 | 17:24:11 | 69.26, -83.98 | 81.34 | 02/16/2025 | 17:23:01 | 69.33, -85.31 | 81.49 | 53.09 | 70 |
| 7 | 02/19/2025 | 07:59:49 | 69.98, 56.11 | 81.19 | 02/19/2025 | 08:00:25 | 69.98, 56.17 | 81.17 | 2.47 | 36 |
| 8 | 02/19/2025 | 08:50:30 | -69.85,-136.37 | 98.98 | 02/19/2025 | 08:49:55 | -69.87,-136.34 | 98.95 | 2.98 | 35 |
| 9 | 02/21/2025 | 23:26:09 | -70.63, 3.57 | 99.09 | 02/21/2025 | 23:27:18 | -70.54, 5.21 | 99.27 | 61.81 | 69 |
| 10 | 02/22/2025 | 00:16:42 | 69.93, 171.96 | 80.16 | 02/22/2025 | 00:16:54 | 69.93, 171.99 | 80.15 | 0.80 | 12 |
| 11 | 02/22/2025 | 01:07:23 | -69.80, -20.51 | 100.00 | 02/22/2025 | 01:06:24 | -69.83, -20.53 | 99.96 | 3.45 | 59 |
| 12 | 02/24/2025 | 15:42:51 | -70.01, 120.32 | 100.74 | 02/24/2025 | 15:43:55 | -70.01, 120.34 | 100.75 | 1.01 | 64 |
| 13 | 02/24/2025 | 16:33:35 | 69.89, -72.19 | 79.13 | 02/24/2025 | 16:33:22 | 69.90, -72.18 | 79.13 | 1.16 | 13 |
| 14 | 02/24/2025 | 17:24:08 | -69.38, 95.87 | 101.43 | 02/24/2025 | 17:22:57 | -69.47, 94.87 | 101.29 | 40.12 | 71 |
| 15 | 02/27/2025 | 07:59:43 | -69.98,-123.85 | 101.78 | 02/27/2025 | 08:00:21 | -70.00,-123.79 | 101.77 | 3.46 | 38 |
| 16 | 02/27/2025 | 08:50:27 | 69.86, 43.64 | 78.08 | 02/27/2025 | 08:49:48 | 69.88, 43.69 | 78.11 | 3.41 | 39 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/13/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/13/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9