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: 5/18/2025
| 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 | 05/18/2025 | 07:09:06 | 70.10, 68.66 | 50.40 | 05/18/2025 | 07:10:17 | 70.07, 68.64 | 50.37 | 3.38 | 71 |
| 2 | 05/18/2025 | 07:59:48 | -69.99,-123.85 | 129.72 | 05/18/2025 | 07:59:46 | -70.01,-123.82 | 129.71 | 2.14 | 2 |
| 3 | 05/18/2025 | 08:50:28 | 69.68, 43.92 | 49.95 | 05/18/2025 | 08:49:16 | 69.74, 43.46 | 50.03 | 19.19 | 72 |
| 4 | 05/20/2025 | 23:26:02 | 70.05,-175.49 | 49.79 | 05/20/2025 | 23:26:45 | 70.07,-175.49 | 49.80 | 1.98 | 43 |
| 5 | 05/21/2025 | 00:16:44 | -69.94, -8.01 | 130.34 | 05/21/2025 | 00:16:15 | -69.95, -8.02 | 130.32 | 1.48 | 29 |
| 6 | 05/23/2025 | 14:52:28 | -70.84, 131.71 | 129.91 | 05/23/2025 | 14:53:36 | -70.69, 133.66 | 130.11 | 73.02 | 68 |
| 7 | 05/23/2025 | 15:42:58 | 70.01, -59.66 | 49.23 | 05/23/2025 | 15:43:13 | 70.04, -59.65 | 49.25 | 3.41 | 15 |
| 8 | 05/23/2025 | 16:33:40 | -69.90, 107.83 | 130.90 | 05/23/2025 | 16:32:43 | -69.93, 107.83 | 130.87 | 3.49 | 57 |
| 9 | 05/26/2025 | 07:09:11 | -70.12,-111.37 | 131.14 | 05/26/2025 | 07:10:14 | -70.09,-111.34 | 131.17 | 3.26 | 63 |
| 10 | 05/26/2025 | 07:59:54 | 69.98, 56.16 | 48.71 | 05/26/2025 | 07:59:41 | 69.98, 56.16 | 48.72 | 0.94 | 13 |
| 11 | 05/26/2025 | 08:50:28 | -69.44,-135.73 | 131.85 | 05/26/2025 | 08:49:18 | -69.49,-136.89 | 131.77 | 45.54 | 70 |
| 12 | 05/28/2025 | 23:26:05 | -70.04, 4.52 | 131.65 | 05/28/2025 | 23:26:40 | -70.07, 4.51 | 131.63 | 3.42 | 35 |
| 13 | 05/29/2025 | 00:16:49 | 69.95, 171.96 | 48.25 | 05/29/2025 | 00:16:07 | 69.96, 172.00 | 48.26 | 1.73 | 42 |
| 14 | 05/31/2025 | 14:52:23 | 70.35, -47.51 | 48.29 | 05/31/2025 | 14:53:35 | 70.23, -47.00 | 48.15 | 23.12 | 72 |
| 15 | 05/31/2025 | 15:43:01 | -70.02, 120.32 | 132.06 | 05/31/2025 | 15:43:07 | -70.02, 120.33 | 132.07 | 0.26 | 6 |
| 16 | 05/31/2025 | 16:33:44 | 69.88, -72.16 | 47.79 | 05/31/2025 | 16:32:34 | 69.90, -72.18 | 47.82 | 3.04 | 70 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/18/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/18/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9