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: 5/12/2025
| 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 | -70.07, 4.49 | 128.39 | 05/12/2025 | 23:26:51 | -70.04, 4.47 | 128.43 | 3.21 | 55 |
| 2 | 05/13/2025 | 00:16:40 | 69.97, 171.96 | 51.50 | 05/13/2025 | 00:16:18 | 69.94, 171.98 | 51.47 | 3.16 | 22 |
| 3 | 05/13/2025 | 01:07:08 | -69.12, -19.50 | 129.39 | 05/13/2025 | 01:06:00 | -69.16, -21.44 | 129.30 | 77.11 | 68 |
| 4 | 05/15/2025 | 14:52:27 | 71.01, -48.57 | 51.95 | 05/15/2025 | 14:53:33 | 70.92, -45.98 | 51.80 | 94.42 | 66 |
| 5 | 05/15/2025 | 15:42:52 | -70.00, 120.36 | 129.10 | 05/15/2025 | 15:43:17 | -70.03, 120.35 | 129.08 | 3.35 | 25 |
| 6 | 05/15/2025 | 16:33:36 | 69.91, -72.18 | 50.79 | 05/15/2025 | 16:32:44 | 69.93, -72.15 | 50.82 | 2.81 | 52 |
| 7 | 05/18/2025 | 07:09:07 | 70.11, 68.64 | 50.42 | 05/18/2025 | 07:10:13 | 70.12, 68.72 | 50.41 | 2.81 | 66 |
| 8 | 05/18/2025 | 07:59:49 | -70.00,-123.86 | 129.71 | 05/18/2025 | 07:59:43 | -70.00,-123.81 | 129.71 | 2.13 | 6 |
| 9 | 05/18/2025 | 08:50:27 | 69.59, 44.06 | 49.86 | 05/18/2025 | 08:49:15 | 69.62, 43.31 | 49.91 | 29.35 | 72 |
| 10 | 05/20/2025 | 23:26:02 | 70.06,-175.51 | 49.80 | 05/20/2025 | 23:26:38 | 70.05,-175.48 | 49.79 | 1.61 | 36 |
| 11 | 05/21/2025 | 00:16:44 | -69.94, -8.02 | 130.33 | 05/21/2025 | 00:16:08 | -69.94, -8.00 | 130.33 | 0.60 | 36 |
| 12 | 05/23/2025 | 14:52:21 | -70.47, 132.31 | 130.29 | 05/23/2025 | 14:53:32 | -70.36, 133.20 | 130.44 | 35.78 | 71 |
| 13 | 05/23/2025 | 15:42:58 | 70.02, -59.68 | 49.24 | 05/23/2025 | 15:43:03 | 70.02, -59.63 | 49.24 | 1.95 | 5 |
| 14 | 05/23/2025 | 16:33:40 | -69.90, 107.82 | 130.90 | 05/23/2025 | 16:32:33 | -69.92, 107.85 | 130.88 | 2.40 | 67 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/12/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/12/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9