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: 6/21/2025
| 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 | 69.98,-175.44 | 46.51 | 06/21/2025 | 23:26:55 | 69.99,-175.49 | 46.51 | 1.91 | 32 |
| 2 | 06/22/2025 | 00:17:05 | -69.90, -7.99 | 133.58 | 06/22/2025 | 00:16:25 | -69.88, -8.01 | 133.60 | 2.39 | 40 |
| 3 | 06/24/2025 | 14:52:45 | -70.35, 132.43 | 133.06 | 06/24/2025 | 14:53:56 | -70.23, 133.09 | 133.22 | 28.30 | 71 |
| 4 | 06/24/2025 | 15:43:24 | 69.96, -59.66 | 46.54 | 06/24/2025 | 15:43:26 | 69.96, -59.65 | 46.53 | 0.67 | 2 |
| 5 | 06/24/2025 | 16:34:06 | -69.88, 107.79 | 133.56 | 06/24/2025 | 16:32:56 | -69.85, 107.83 | 133.58 | 3.30 | 70 |
| 6 | 06/27/2025 | 07:09:39 | -70.02,-111.30 | 133.31 | 06/27/2025 | 07:10:29 | -70.02,-111.32 | 133.32 | 0.86 | 50 |
| 7 | 06/27/2025 | 08:00:23 | 69.89, 56.19 | 46.56 | 06/27/2025 | 07:59:56 | 69.92, 56.17 | 46.58 | 2.52 | 27 |
| 8 | 06/27/2025 | 08:50:48 | -68.90,-135.07 | 134.47 | 06/27/2025 | 08:49:42 | -68.93,-137.52 | 134.35 | 97.93 | 66 |
| 9 | 06/29/2025 | 22:36:11 | 70.78,-164.07 | 47.63 | 06/29/2025 | 22:37:19 | 70.67,-162.12 | 47.45 | 72.53 | 68 |
| 10 | 06/29/2025 | 23:26:39 | -69.95, 4.55 | 133.24 | 06/29/2025 | 23:27:00 | -69.97, 4.48 | 133.23 | 3.15 | 21 |
| 11 | 06/30/2025 | 00:17:24 | 69.88, 171.97 | 46.69 | 06/30/2025 | 00:16:27 | 69.86, 171.97 | 46.67 | 2.61 | 57 |
| 12 | 07/02/2025 | 14:52:58 | 70.03, -47.14 | 47.03 | 07/02/2025 | 14:54:00 | 70.05, -47.15 | 47.04 | 2.71 | 62 |
| 13 | 07/02/2025 | 15:43:40 | -69.94, 120.32 | 133.06 | 07/02/2025 | 15:43:30 | -69.96, 120.34 | 133.05 | 1.89 | 10 |
| 14 | 07/02/2025 | 16:34:15 | 69.34, -71.49 | 46.31 | 07/02/2025 | 16:33:05 | 69.40, -72.78 | 46.43 | 50.74 | 70 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/21/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/21/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9