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: 7/1/2025
| 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 | 14:52:58 | 70.05, -47.16 | 47.05 | 07/02/2025 | 14:54:00 | 70.04, -47.16 | 47.03 | 0.63 | 62 |
| 2 | 07/02/2025 | 15:43:39 | -69.92, 120.35 | 133.09 | 07/02/2025 | 15:43:30 | -69.93, 120.31 | 133.07 | 2.04 | 9 |
| 3 | 07/02/2025 | 16:34:15 | 69.36, -71.52 | 46.33 | 07/02/2025 | 16:33:05 | 69.39, -72.79 | 46.42 | 49.83 | 70 |
| 4 | 07/05/2025 | 07:09:58 | 70.00, 68.67 | 47.23 | 07/05/2025 | 07:10:30 | 70.01, 68.68 | 47.24 | 2.16 | 32 |
| 5 | 07/05/2025 | 08:00:40 | -69.92,-123.89 | 132.85 | 07/05/2025 | 08:00:00 | -69.91,-123.84 | 132.86 | 2.35 | 40 |
| 6 | 07/07/2025 | 22:36:19 | -70.34, 16.58 | 132.13 | 07/07/2025 | 22:37:30 | -70.25, 17.25 | 132.26 | 27.35 | 71 |
| 7 | 07/07/2025 | 23:26:58 | 69.95,-175.50 | 47.46 | 07/07/2025 | 23:27:00 | 69.97,-175.50 | 47.49 | 2.91 | 2 |
| 8 | 07/08/2025 | 00:17:40 | -69.87, -8.07 | 132.62 | 07/08/2025 | 00:16:30 | -69.87, -8.01 | 132.61 | 2.13 | 70 |
| 9 | 07/10/2025 | 14:53:13 | -70.03, 132.81 | 132.12 | 07/10/2025 | 14:54:02 | -70.03, 132.82 | 132.14 | 0.70 | 49 |
| 10 | 07/10/2025 | 15:43:57 | 69.90, -59.68 | 47.75 | 07/10/2025 | 15:43:29 | 69.91, -59.69 | 47.76 | 1.69 | 28 |
| 11 | 07/10/2025 | 16:34:21 | -68.86, 109.11 | 133.34 | 07/10/2025 | 16:33:15 | -68.93, 106.63 | 133.16 | 99.84 | 66 |
| 12 | 07/13/2025 | 06:19:44 | 70.76, 80.09 | 49.02 | 07/13/2025 | 06:20:52 | 70.61, 81.92 | 48.79 | 69.36 | 68 |
| 13 | 07/13/2025 | 07:10:13 | -69.99,-111.38 | 131.79 | 07/13/2025 | 07:10:32 | -69.96,-111.38 | 131.82 | 3.00 | 19 |
| 14 | 07/13/2025 | 08:00:57 | 69.86, 56.13 | 48.08 | 07/13/2025 | 07:59:59 | 69.84, 56.10 | 48.07 | 1.94 | 58 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/1/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/01/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9