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: 6/20/2025
| 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 | 06/21/2025 | 23:26:23 | 69.97,-175.42 | 46.50 | 06/21/2025 | 23:26:55 | 70.00,-175.47 | 46.52 | 3.28 | 32 |
| 2 | 06/22/2025 | 00:17:05 | -69.89, -7.97 | 133.59 | 06/22/2025 | 00:16:25 | -69.89, -8.00 | 133.59 | 0.94 | 40 |
| 3 | 06/24/2025 | 14:52:45 | -70.34, 132.45 | 133.07 | 06/24/2025 | 14:53:56 | -70.24, 133.10 | 133.21 | 27.05 | 71 |
| 4 | 06/24/2025 | 15:43:23 | 69.95, -59.64 | 46.53 | 06/24/2025 | 15:43:25 | 69.97, -59.64 | 46.54 | 1.47 | 2 |
| 5 | 06/24/2025 | 16:34:05 | -69.86, 107.81 | 133.57 | 06/24/2025 | 16:32:55 | -69.86, 107.84 | 133.57 | 1.50 | 70 |
| 6 | 06/27/2025 | 07:09:39 | -70.01,-111.28 | 133.33 | 06/27/2025 | 07:10:29 | -70.03,-111.32 | 133.32 | 2.73 | 50 |
| 7 | 06/27/2025 | 08:00:24 | 69.93, 56.13 | 46.60 | 06/27/2025 | 07:59:56 | 69.92, 56.17 | 46.59 | 2.34 | 28 |
| 8 | 06/27/2025 | 08:50:48 | -68.89,-135.05 | 134.49 | 06/27/2025 | 08:49:42 | -68.93,-137.51 | 134.35 | 98.47 | 66 |
| 9 | 06/29/2025 | 22:36:11 | 70.76,-164.05 | 47.62 | 06/29/2025 | 22:37:19 | 70.67,-162.12 | 47.45 | 71.54 | 68 |
| 10 | 06/29/2025 | 23:26:40 | -69.99, 4.49 | 133.20 | 06/29/2025 | 23:27:00 | -69.97, 4.48 | 133.23 | 2.25 | 20 |
| 11 | 06/30/2025 | 00:17:24 | 69.87, 171.99 | 46.67 | 06/30/2025 | 00:16:27 | 69.86, 171.97 | 46.67 | 1.21 | 57 |
| 12 | 07/02/2025 | 14:52:59 | 70.07, -47.19 | 47.07 | 07/02/2025 | 14:54:00 | 70.05, -47.16 | 47.04 | 2.39 | 61 |
| 13 | 07/02/2025 | 15:43:40 | -69.92, 120.34 | 133.08 | 07/02/2025 | 15:43:30 | -69.95, 120.34 | 133.06 | 3.09 | 10 |
| 14 | 07/02/2025 | 16:34:15 | 69.32, -71.47 | 46.29 | 07/02/2025 | 16:33:05 | 69.39, -72.78 | 46.42 | 52.05 | 70 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/20/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/20/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9