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: 6/12/2025
| 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 | 06/13/2025 | 23:26:12 | -70.03, 4.52 | 133.28 | 06/13/2025 | 23:26:50 | -70.03, 4.58 | 133.29 | 2.03 | 38 |
| 2 | 06/14/2025 | 00:16:55 | 69.87, 172.08 | 46.55 | 06/14/2025 | 00:16:18 | 69.88, 172.00 | 46.57 | 2.96 | 37 |
| 3 | 06/16/2025 | 14:52:36 | 70.66, -48.01 | 47.28 | 06/16/2025 | 14:53:45 | 70.51, -46.50 | 47.07 | 58.42 | 69 |
| 4 | 06/16/2025 | 15:43:07 | -69.98, 120.37 | 133.44 | 06/16/2025 | 15:43:23 | -69.96, 120.34 | 133.46 | 2.88 | 16 |
| 5 | 06/16/2025 | 16:33:51 | 69.87, -72.15 | 46.45 | 06/16/2025 | 16:32:50 | 69.85, -72.16 | 46.44 | 2.07 | 61 |
| 6 | 06/19/2025 | 07:09:19 | 70.03, 68.75 | 46.57 | 06/19/2025 | 07:10:24 | 70.03, 68.68 | 46.55 | 2.64 | 65 |
| 7 | 06/19/2025 | 08:00:01 | -69.94,-123.78 | 133.54 | 06/19/2025 | 07:59:54 | -69.92,-123.83 | 133.55 | 2.34 | 7 |
| 8 | 06/19/2025 | 08:50:38 | 69.45, 44.23 | 45.96 | 06/19/2025 | 08:49:27 | 69.48, 43.21 | 46.03 | 39.98 | 71 |
| 9 | 06/21/2025 | 23:26:15 | 70.04,-175.50 | 46.58 | 06/21/2025 | 23:26:55 | 70.03,-175.44 | 46.55 | 2.90 | 40 |
| 10 | 06/22/2025 | 00:16:56 | -69.89, -7.95 | 133.59 | 06/22/2025 | 00:16:25 | -69.92, -7.95 | 133.55 | 3.48 | 31 |
| 11 | 06/24/2025 | 14:52:40 | -70.85, 131.69 | 132.54 | 06/24/2025 | 14:53:47 | -70.78, 133.90 | 132.69 | 81.31 | 67 |
| 12 | 06/24/2025 | 15:43:09 | 69.95, -59.59 | 46.53 | 06/24/2025 | 15:43:27 | 69.96, -59.66 | 46.53 | 2.87 | 18 |
| 13 | 06/24/2025 | 16:33:51 | -69.86, 107.88 | 133.58 | 06/24/2025 | 16:32:57 | -69.86, 107.83 | 133.57 | 1.70 | 54 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/12/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/12/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9