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: 6/9/2025
| 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 | 06/11/2025 | 06:20:11 | -70.15, -98.80 | 133.02 | 06/11/2025 | 06:20:53 | -70.15, -98.78 | 133.02 | 0.80 | 42 |
| 2 | 06/11/2025 | 07:10:56 | 70.05, 68.65 | 46.88 | 06/11/2025 | 07:10:20 | 70.05, 68.72 | 46.88 | 2.43 | 36 |
| 3 | 06/13/2025 | 21:46:38 | 70.84,-151.46 | 47.56 | 06/13/2025 | 21:47:46 | 70.73,-149.68 | 47.39 | 66.13 | 68 |
| 4 | 06/13/2025 | 22:37:07 | -70.09, 17.04 | 133.23 | 06/13/2025 | 22:37:26 | -70.08, 16.99 | 133.25 | 2.83 | 19 |
| 5 | 06/13/2025 | 23:27:52 | 70.00,-175.51 | 46.67 | 06/13/2025 | 23:26:53 | 69.97,-175.52 | 46.65 | 2.88 | 59 |
| 6 | 06/16/2025 | 14:03:22 | 70.16, -34.62 | 46.74 | 06/16/2025 | 14:04:28 | 70.14, -34.67 | 46.72 | 2.65 | 66 |
| 7 | 06/16/2025 | 14:54:03 | -70.04, 132.88 | 133.38 | 06/16/2025 | 14:53:58 | -70.04, 132.81 | 133.38 | 2.61 | 5 |
| 8 | 06/16/2025 | 15:44:41 | 69.58, -59.12 | 46.14 | 06/16/2025 | 15:43:30 | 69.66, -60.08 | 46.25 | 38.09 | 71 |
| 9 | 06/19/2025 | 06:20:18 | 70.11, 81.21 | 46.64 | 06/19/2025 | 06:20:59 | 70.15, 81.20 | 46.67 | 3.44 | 41 |
| 10 | 06/19/2025 | 07:11:00 | -70.05,-111.37 | 133.43 | 06/19/2025 | 07:10:29 | -70.05,-111.31 | 133.43 | 2.29 | 31 |
| 11 | 06/21/2025 | 21:46:43 | -70.95, 28.34 | 132.49 | 06/21/2025 | 21:47:51 | -70.84, 30.48 | 132.67 | 78.59 | 68 |
| 12 | 06/21/2025 | 22:37:13 | 70.08,-162.96 | 46.60 | 06/21/2025 | 22:37:30 | 70.08,-163.02 | 46.59 | 2.11 | 17 |
| 13 | 06/21/2025 | 23:27:55 | -70.01, 4.46 | 133.48 | 06/21/2025 | 23:27:00 | -69.98, 4.48 | 133.50 | 3.10 | 55 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/9/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/09/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8