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: 7/2/2025
| 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 | 07/02/2025 | 14:52:59 | 70.07, -47.20 | 47.07 | 07/02/2025 | 14:54:00 | 70.08, -47.12 | 47.06 | 3.07 | 61 |
| 2 | 07/02/2025 | 15:43:40 | -69.94, 120.32 | 133.06 | 07/02/2025 | 15:43:30 | -69.96, 120.36 | 133.04 | 2.87 | 10 |
| 3 | 07/02/2025 | 16:34:15 | 69.32, -71.47 | 46.30 | 07/02/2025 | 16:33:05 | 69.42, -72.74 | 46.45 | 50.99 | 70 |
| 4 | 07/05/2025 | 07:09:58 | 70.01, 68.64 | 47.25 | 07/05/2025 | 07:10:30 | 69.99, 68.64 | 47.22 | 2.67 | 32 |
| 5 | 07/05/2025 | 08:00:39 | -69.88,-123.84 | 132.89 | 07/05/2025 | 08:00:00 | -69.88,-123.88 | 132.88 | 1.35 | 39 |
| 6 | 07/07/2025 | 22:36:18 | -70.30, 16.64 | 132.17 | 07/07/2025 | 22:37:30 | -70.22, 17.21 | 132.29 | 23.57 | 72 |
| 7 | 07/07/2025 | 23:26:58 | 69.96,-175.53 | 47.48 | 07/07/2025 | 23:27:00 | 69.94,-175.54 | 47.46 | 1.96 | 2 |
| 8 | 07/08/2025 | 00:17:39 | -69.83, -8.01 | 132.66 | 07/08/2025 | 00:16:30 | -69.84, -8.05 | 132.64 | 1.91 | 69 |
| 9 | 07/10/2025 | 14:53:14 | -70.04, 132.79 | 132.11 | 07/10/2025 | 14:54:02 | -70.05, 132.85 | 132.12 | 2.43 | 48 |
| 10 | 07/10/2025 | 15:43:58 | 69.91, -59.70 | 47.76 | 07/10/2025 | 15:43:29 | 69.94, -59.66 | 47.78 | 3.37 | 29 |
| 11 | 07/13/2025 | 06:19:44 | 70.71, 80.18 | 48.97 | 07/13/2025 | 06:20:52 | 70.62, 81.95 | 48.81 | 65.92 | 68 |
| 12 | 07/13/2025 | 07:10:14 | -69.99,-111.38 | 131.79 | 07/13/2025 | 07:10:32 | -69.98,-111.36 | 131.81 | 1.83 | 18 |
| 13 | 07/13/2025 | 08:00:58 | 69.86, 56.12 | 48.08 | 07/13/2025 | 07:59:59 | 69.86, 56.12 | 48.09 | 0.21 | 59 |
| 14 | 07/15/2025 | 22:36:31 | 70.03,-163.01 | 48.67 | 07/15/2025 | 22:37:30 | 70.04,-163.02 | 48.67 | 1.49 | 59 |
| 15 | 07/15/2025 | 23:27:13 | -69.95, 4.44 | 131.42 | 07/15/2025 | 23:27:00 | -69.95, 4.48 | 131.42 | 1.59 | 13 |
| 16 | 07/16/2025 | 00:17:46 | 69.23, 172.79 | 47.84 | 07/16/2025 | 00:16:37 | 69.27, 171.21 | 47.96 | 62.36 | 69 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/2/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/02/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9