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: 5/29/2025
| 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 | 05/31/2025 | 14:52:26 | 70.47, -47.70 | 48.42 | 05/31/2025 | 14:53:37 | 70.36, -46.83 | 48.27 | 34.85 | 71 |
| 2 | 05/31/2025 | 15:43:02 | -70.05, 120.28 | 132.03 | 05/31/2025 | 15:43:11 | -70.02, 120.32 | 132.06 | 3.23 | 9 |
| 3 | 05/31/2025 | 16:33:45 | 69.90, -72.19 | 47.81 | 05/31/2025 | 16:32:38 | 69.92, -72.18 | 47.84 | 2.98 | 67 |
| 4 | 06/03/2025 | 07:09:15 | 70.08, 68.68 | 47.66 | 06/03/2025 | 07:10:09 | 70.09, 68.66 | 47.66 | 1.24 | 54 |
| 5 | 06/03/2025 | 07:59:57 | -69.97,-123.84 | 132.46 | 06/03/2025 | 07:59:39 | -69.97,-123.87 | 132.46 | 1.45 | 18 |
| 6 | 06/03/2025 | 08:50:26 | 69.07, 44.77 | 46.62 | 06/03/2025 | 08:49:19 | 69.15, 42.66 | 46.75 | 83.99 | 67 |
| 7 | 06/05/2025 | 23:26:11 | 70.06,-175.52 | 47.35 | 06/05/2025 | 23:26:36 | 70.07,-175.49 | 47.35 | 1.47 | 25 |
| 8 | 06/06/2025 | 00:16:53 | -69.95, -8.04 | 132.78 | 06/06/2025 | 00:16:06 | -69.95, -8.01 | 132.77 | 1.13 | 47 |
| 9 | 06/08/2025 | 14:52:24 | -70.19, 132.73 | 132.76 | 06/08/2025 | 14:53:35 | -70.19, 132.93 | 132.78 | 7.36 | 71 |
| 10 | 06/08/2025 | 15:43:06 | 70.05, -59.73 | 47.09 | 06/08/2025 | 15:43:02 | 70.03, -59.66 | 47.06 | 3.48 | 4 |
| 11 | 06/08/2025 | 16:33:46 | -69.83, 107.91 | 133.15 | 06/08/2025 | 16:32:33 | -69.86, 107.74 | 133.10 | 7.56 | 73 |
| 12 | 06/11/2025 | 07:09:17 | -70.08,-111.32 | 133.08 | 06/11/2025 | 07:10:02 | -70.08,-111.34 | 133.09 | 0.86 | 45 |
| 13 | 06/11/2025 | 08:00:01 | 69.99, 56.13 | 46.82 | 06/11/2025 | 07:59:29 | 69.97, 56.14 | 46.80 | 2.18 | 32 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/29/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/29/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9