Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/14/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 06/16/2025 | 14:03:22 | 70.16, -34.61 | 46.74 | 06/16/2025 | 14:04:28 | 70.14, -34.68 | 46.71 | 3.55 | 66 |
| 2 | 06/16/2025 | 14:54:04 | -70.10, 132.80 | 133.32 | 06/16/2025 | 14:53:57 | -70.08, 132.87 | 133.34 | 3.46 | 7 |
| 3 | 06/16/2025 | 15:44:41 | 69.58, -59.12 | 46.14 | 06/16/2025 | 15:43:30 | 69.65, -60.09 | 46.24 | 38.37 | 71 |
| 4 | 06/19/2025 | 06:20:18 | 70.12, 81.21 | 46.65 | 06/19/2025 | 06:20:59 | 70.12, 81.18 | 46.65 | 1.37 | 41 |
| 5 | 06/19/2025 | 07:10:59 | -70.01,-111.30 | 133.48 | 06/19/2025 | 07:10:29 | -70.02,-111.34 | 133.46 | 2.25 | 30 |
| 6 | 06/21/2025 | 21:46:43 | -70.96, 28.32 | 132.48 | 06/21/2025 | 21:47:50 | -70.86, 30.50 | 132.66 | 80.24 | 67 |
| 7 | 06/21/2025 | 22:37:13 | 70.09,-162.98 | 46.61 | 06/21/2025 | 22:37:29 | 70.09,-162.99 | 46.61 | 0.72 | 16 |
| 8 | 06/21/2025 | 23:27:54 | -69.97, 4.52 | 133.52 | 06/21/2025 | 23:26:59 | -69.99, 4.50 | 133.49 | 2.54 | 55 |
| 9 | 06/24/2025 | 14:03:24 | -70.15, 145.39 | 133.29 | 06/24/2025 | 14:04:33 | -70.15, 145.33 | 133.29 | 2.47 | 69 |
| 10 | 06/24/2025 | 14:54:09 | 70.06, -47.17 | 46.63 | 06/24/2025 | 14:54:00 | 70.04, -47.18 | 46.61 | 2.39 | 9 |
| 11 | 06/24/2025 | 15:44:46 | -69.73, 120.65 | 133.73 | 06/24/2025 | 15:43:33 | -69.78, 120.08 | 133.65 | 22.57 | 73 |
| 12 | 06/27/2025 | 06:20:20 | -70.12, -98.80 | 133.22 | 06/27/2025 | 06:21:03 | -70.14, -98.80 | 133.21 | 2.44 | 43 |
| 13 | 06/27/2025 | 07:11:05 | 70.04, 68.62 | 46.70 | 06/27/2025 | 07:10:30 | 70.02, 68.67 | 46.68 | 2.75 | 35 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/14/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/14/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8