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: 6/21/2025
| 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 | 06/21/2025 | 21:46:43 | -70.95, 28.34 | 132.49 | 06/21/2025 | 21:47:50 | -70.87, 30.52 | 132.64 | 79.94 | 67 |
| 2 | 06/21/2025 | 22:37:14 | 70.12,-163.03 | 46.64 | 06/21/2025 | 22:37:29 | 70.12,-162.95 | 46.64 | 2.69 | 15 |
| 3 | 06/21/2025 | 23:27:55 | -70.01, 4.46 | 133.48 | 06/21/2025 | 23:26:59 | -70.01, 4.52 | 133.48 | 2.23 | 56 |
| 4 | 06/24/2025 | 14:03:25 | -70.18, 145.34 | 133.25 | 06/24/2025 | 14:04:33 | -70.19, 145.38 | 133.26 | 1.56 | 68 |
| 5 | 06/24/2025 | 14:54:09 | 70.03, -47.13 | 46.60 | 06/24/2025 | 14:54:01 | 70.03, -47.21 | 46.59 | 3.02 | 8 |
| 6 | 06/24/2025 | 15:44:46 | -69.71, 120.68 | 133.74 | 06/24/2025 | 15:43:34 | -69.75, 120.05 | 133.67 | 24.74 | 72 |
| 7 | 06/27/2025 | 06:20:21 | -70.15, -98.85 | 133.20 | 06/27/2025 | 06:21:04 | -70.14, -98.81 | 133.21 | 1.58 | 43 |
| 8 | 06/27/2025 | 07:11:05 | 70.01, 68.67 | 46.66 | 06/27/2025 | 07:10:31 | 70.03, 68.68 | 46.69 | 2.49 | 34 |
| 9 | 06/29/2025 | 21:46:46 | 70.82,-151.48 | 47.66 | 06/29/2025 | 21:47:54 | 70.73,-149.69 | 47.50 | 66.23 | 68 |
| 10 | 06/29/2025 | 22:37:15 | -70.06, 17.05 | 133.14 | 06/29/2025 | 22:37:34 | -70.08, 16.98 | 133.13 | 2.83 | 19 |
| 11 | 06/29/2025 | 23:28:00 | 69.98,-175.52 | 46.78 | 06/29/2025 | 23:27:01 | 69.97,-175.53 | 46.77 | 2.00 | 59 |
| 12 | 07/02/2025 | 14:03:30 | 70.17, -34.67 | 47.16 | 07/02/2025 | 14:04:34 | 70.16, -34.65 | 47.14 | 1.59 | 64 |
| 13 | 07/02/2025 | 14:54:11 | -70.04, 132.85 | 132.98 | 07/02/2025 | 14:54:04 | -70.06, 132.84 | 132.96 | 2.48 | 7 |
| 14 | 07/02/2025 | 15:44:48 | 69.54, -59.10 | 46.51 | 07/02/2025 | 15:43:37 | 69.61, -60.14 | 46.63 | 41.03 | 71 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/21/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/21/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8