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: 8/11/2025
| 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 | 08/11/2025 | 14:53:14 | -70.04, 132.84 | 125.04 | 08/11/2025 | 14:54:21 | -70.05, 132.83 | 125.05 | 0.71 | 67 |
| 2 | 08/11/2025 | 15:43:59 | 69.97, -59.74 | 54.89 | 08/11/2025 | 15:43:48 | 69.95, -59.67 | 54.87 | 3.38 | 11 |
| 3 | 08/11/2025 | 16:34:34 | -69.52, 108.24 | 125.57 | 08/11/2025 | 16:33:22 | -69.62, 107.51 | 125.44 | 30.44 | 72 |
| 4 | 08/14/2025 | 07:10:08 | -70.00,-111.32 | 124.28 | 08/14/2025 | 07:10:52 | -70.03,-111.32 | 124.25 | 3.56 | 44 |
| 5 | 08/14/2025 | 08:00:52 | 69.88, 56.18 | 55.61 | 08/14/2025 | 08:00:20 | 69.87, 56.10 | 55.61 | 2.91 | 32 |
| 6 | 08/16/2025 | 22:36:34 | 70.84,-164.19 | 57.44 | 08/16/2025 | 22:37:41 | 70.70,-162.09 | 57.22 | 78.25 | 67 |
| 7 | 08/16/2025 | 23:27:02 | -70.01, 4.44 | 123.43 | 08/16/2025 | 23:27:22 | -69.99, 4.50 | 123.45 | 3.28 | 20 |
| 8 | 08/17/2025 | 00:17:46 | 69.89, 171.93 | 56.47 | 08/17/2025 | 00:16:49 | 69.89, 172.00 | 56.46 | 2.95 | 57 |
| 9 | 08/19/2025 | 14:53:13 | 70.02, -47.11 | 57.43 | 08/19/2025 | 14:54:23 | 70.04, -47.19 | 57.45 | 3.59 | 70 |
| 10 | 08/19/2025 | 15:43:55 | -69.93, 120.35 | 122.66 | 08/19/2025 | 15:43:53 | -69.93, 120.30 | 122.65 | 2.05 | 2 |
| 11 | 08/19/2025 | 16:34:35 | 69.60, -71.86 | 57.02 | 08/19/2025 | 16:33:23 | 69.66, -72.44 | 57.10 | 23.16 | 72 |
| 12 | 08/22/2025 | 07:10:07 | 69.99, 68.71 | 58.30 | 08/22/2025 | 07:10:53 | 70.01, 68.66 | 58.30 | 2.41 | 46 |
| 13 | 08/22/2025 | 08:00:49 | -69.90,-123.83 | 121.80 | 08/22/2025 | 08:00:23 | -69.91,-123.86 | 121.79 | 1.45 | 26 |
| 14 | 08/24/2025 | 22:36:35 | -71.02, 15.53 | 119.74 | 08/24/2025 | 22:37:41 | -70.89, 18.20 | 119.95 | 97.86 | 66 |
| 15 | 08/24/2025 | 23:27:01 | 69.98,-175.49 | 59.18 | 08/24/2025 | 23:27:23 | 69.96,-175.53 | 59.16 | 2.47 | 22 |
| 16 | 08/25/2025 | 00:17:43 | -69.87, -8.02 | 120.92 | 08/25/2025 | 00:16:53 | -69.86, -8.04 | 120.93 | 1.82 | 50 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/11/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/11/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9