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: 5/11/2025
| 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 | 05/12/2025 | 23:25:56 | -70.05, 4.52 | 128.42 | 05/12/2025 | 23:26:51 | -70.07, 4.51 | 128.41 | 1.84 | 55 |
| 2 | 05/13/2025 | 00:16:40 | 69.95, 171.99 | 51.48 | 05/13/2025 | 00:16:18 | 69.96, 172.01 | 51.49 | 1.72 | 22 |
| 3 | 05/13/2025 | 01:07:08 | -69.10, -19.47 | 129.41 | 05/13/2025 | 01:06:00 | -69.19, -21.41 | 129.28 | 77.51 | 68 |
| 4 | 05/15/2025 | 14:52:28 | 71.04, -48.62 | 51.99 | 05/15/2025 | 14:53:33 | 70.94, -45.94 | 51.82 | 97.67 | 65 |
| 5 | 05/15/2025 | 15:42:53 | -70.04, 120.31 | 129.07 | 05/15/2025 | 15:43:18 | -70.01, 120.31 | 129.11 | 3.34 | 25 |
| 6 | 05/15/2025 | 16:33:36 | 69.89, -72.15 | 50.77 | 05/15/2025 | 16:32:45 | 69.90, -72.20 | 50.79 | 2.16 | 51 |
| 7 | 05/18/2025 | 07:09:06 | 70.09, 68.68 | 50.39 | 05/18/2025 | 07:10:13 | 70.09, 68.68 | 50.38 | 0.19 | 67 |
| 8 | 05/18/2025 | 07:59:48 | -69.97,-123.83 | 129.74 | 05/18/2025 | 07:59:43 | -69.98,-123.84 | 129.74 | 0.71 | 5 |
| 9 | 05/18/2025 | 08:50:26 | 69.56, 44.09 | 49.83 | 05/18/2025 | 08:49:14 | 69.65, 43.35 | 49.94 | 30.35 | 72 |
| 10 | 05/20/2025 | 23:26:02 | 70.04,-175.47 | 49.78 | 05/20/2025 | 23:26:39 | 70.03,-175.51 | 49.77 | 1.36 | 37 |
| 11 | 05/21/2025 | 00:16:44 | -69.92, -7.98 | 130.36 | 05/21/2025 | 00:16:09 | -69.92, -8.03 | 130.35 | 2.10 | 35 |
| 12 | 05/23/2025 | 14:52:22 | -70.49, 132.27 | 130.27 | 05/23/2025 | 14:53:33 | -70.34, 133.18 | 130.45 | 37.96 | 71 |
| 13 | 05/23/2025 | 15:42:58 | 69.99, -59.63 | 49.21 | 05/23/2025 | 15:43:04 | 70.01, -59.65 | 49.22 | 2.32 | 6 |
| 14 | 05/23/2025 | 16:33:41 | -69.92, 107.79 | 130.88 | 05/23/2025 | 16:32:34 | -69.90, 107.83 | 130.89 | 2.59 | 67 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/11/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/11/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9