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: 7/23/2025
| 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 | 07/23/2025 | 22:36:26 | -70.41, 16.47 | 129.44 | 07/23/2025 | 22:37:37 | -70.27, 17.28 | 129.62 | 33.95 | 71 |
| 2 | 07/23/2025 | 23:27:04 | 69.95,-175.52 | 50.10 | 07/23/2025 | 23:27:08 | 69.94,-175.54 | 50.08 | 1.39 | 4 |
| 3 | 07/24/2025 | 00:17:45 | -69.84, -8.02 | 130.03 | 07/24/2025 | 00:16:38 | -69.84, -8.06 | 130.01 | 1.48 | 67 |
| 4 | 07/26/2025 | 14:53:15 | -70.07, 132.78 | 129.22 | 07/26/2025 | 14:54:11 | -70.05, 132.84 | 129.25 | 3.36 | 56 |
| 5 | 07/26/2025 | 15:43:59 | 69.93, -59.71 | 50.65 | 07/26/2025 | 15:43:38 | 69.94, -59.67 | 50.66 | 1.62 | 21 |
| 6 | 07/26/2025 | 16:34:28 | -69.17, 108.71 | 130.14 | 07/26/2025 | 16:33:19 | -69.23, 107.00 | 130.01 | 67.87 | 69 |
| 7 | 07/29/2025 | 07:10:09 | -69.99,-111.33 | 128.68 | 07/29/2025 | 07:10:41 | -70.02,-111.31 | 128.65 | 3.43 | 32 |
| 8 | 07/29/2025 | 08:00:53 | 69.86, 56.17 | 51.20 | 07/29/2025 | 08:00:09 | 69.85, 56.10 | 51.20 | 2.90 | 44 |
| 9 | 07/31/2025 | 22:36:26 | 70.32,-163.38 | 52.32 | 07/31/2025 | 22:37:37 | 70.24,-162.74 | 52.21 | 25.18 | 71 |
| 10 | 07/31/2025 | 23:27:03 | -69.97, 4.47 | 128.04 | 07/31/2025 | 23:27:10 | -69.98, 4.51 | 128.04 | 1.77 | 7 |
| 11 | 08/01/2025 | 00:17:47 | 69.85, 171.97 | 51.84 | 08/01/2025 | 00:16:37 | 69.86, 172.00 | 51.86 | 2.18 | 70 |
| 12 | 08/03/2025 | 14:53:16 | 70.04, -47.18 | 52.71 | 08/03/2025 | 14:54:10 | 70.01, -47.19 | 52.68 | 3.04 | 54 |
| 13 | 08/03/2025 | 15:43:57 | -69.90, 120.35 | 127.42 | 08/03/2025 | 15:43:40 | -69.92, 120.31 | 127.41 | 1.86 | 17 |
| 14 | 08/03/2025 | 16:34:27 | 69.04, -71.10 | 51.68 | 08/03/2025 | 16:33:20 | 69.08, -73.17 | 51.81 | 82.67 | 67 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/23/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/23/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9