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: 4/26/2025
| 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 | 04/26/2025 | 23:25:46 | -70.30, 4.19 | 123.61 | 04/26/2025 | 23:26:57 | -70.23, 4.73 | 123.70 | 21.82 | 71 |
| 2 | 04/27/2025 | 00:16:26 | 69.97, 172.00 | 56.05 | 04/27/2025 | 00:16:27 | 69.96, 172.00 | 56.04 | 1.14 | 1 |
| 3 | 04/27/2025 | 01:07:08 | -69.88, -20.54 | 124.06 | 04/27/2025 | 01:05:57 | -69.85, -20.52 | 124.09 | 3.12 | 71 |
| 4 | 04/29/2025 | 15:42:39 | -70.03, 120.37 | 124.73 | 04/29/2025 | 15:43:30 | -70.02, 120.31 | 124.74 | 2.34 | 51 |
| 5 | 04/29/2025 | 16:33:23 | 69.92, -72.16 | 55.15 | 04/29/2025 | 16:32:57 | 69.91, -72.19 | 55.15 | 1.51 | 26 |
| 6 | 04/29/2025 | 17:23:48 | -68.91, 96.60 | 125.89 | 04/29/2025 | 17:22:42 | -68.98, 94.19 | 125.77 | 96.31 | 66 |
| 7 | 05/02/2025 | 07:09:08 | 70.87, 67.47 | 55.36 | 05/02/2025 | 07:10:15 | 70.81, 69.71 | 55.23 | 82.11 | 67 |
| 8 | 05/02/2025 | 07:59:35 | -69.98,-123.79 | 125.59 | 05/02/2025 | 07:59:58 | -69.99,-123.86 | 125.58 | 2.79 | 23 |
| 9 | 05/02/2025 | 08:50:19 | 69.87, 43.67 | 54.30 | 05/02/2025 | 08:49:25 | 69.88, 43.63 | 54.30 | 1.61 | 54 |
| 10 | 05/04/2025 | 23:25:50 | 70.05,-175.46 | 53.72 | 05/04/2025 | 23:26:56 | 70.07,-175.49 | 53.74 | 3.18 | 66 |
| 11 | 05/05/2025 | 00:16:33 | -69.99, -8.05 | 126.36 | 05/05/2025 | 00:16:26 | -69.97, -8.00 | 126.38 | 2.85 | 7 |
| 12 | 05/05/2025 | 01:07:10 | 69.52, 159.96 | 53.15 | 05/05/2025 | 01:05:58 | 69.58, 159.11 | 53.24 | 33.69 | 72 |
| 13 | 05/07/2025 | 15:42:47 | 70.02, -59.66 | 52.94 | 05/07/2025 | 15:43:24 | 70.01, -59.70 | 52.93 | 2.09 | 37 |
| 14 | 05/07/2025 | 16:33:29 | -69.91, 107.84 | 127.19 | 05/07/2025 | 16:32:54 | -69.91, 107.79 | 127.19 | 1.66 | 35 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/26/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/26/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9