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: 6/24/2025
| 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 | 06/24/2025 | 14:03:25 | -70.18, 145.34 | 133.25 | 06/24/2025 | 14:04:33 | -70.18, 145.38 | 133.26 | 1.51 | 68 |
| 2 | 06/24/2025 | 14:54:09 | 70.03, -47.13 | 46.60 | 06/24/2025 | 14:54:01 | 70.03, -47.20 | 46.59 | 2.81 | 8 |
| 3 | 06/24/2025 | 15:44:46 | -69.71, 120.67 | 133.74 | 06/24/2025 | 15:43:34 | -69.75, 120.05 | 133.67 | 24.69 | 72 |
| 4 | 06/27/2025 | 06:20:21 | -70.15, -98.84 | 133.19 | 06/27/2025 | 06:21:04 | -70.14, -98.81 | 133.21 | 1.62 | 43 |
| 5 | 06/27/2025 | 07:11:05 | 70.00, 68.68 | 46.66 | 06/27/2025 | 07:10:31 | 70.03, 68.68 | 46.69 | 3.20 | 34 |
| 6 | 06/29/2025 | 21:46:46 | 70.82,-151.47 | 47.66 | 06/29/2025 | 21:47:54 | 70.73,-149.69 | 47.50 | 65.94 | 68 |
| 7 | 06/29/2025 | 22:37:15 | -70.06, 17.05 | 133.14 | 06/29/2025 | 22:37:34 | -70.08, 16.98 | 133.13 | 2.97 | 19 |
| 8 | 06/29/2025 | 23:28:00 | 69.98,-175.52 | 46.78 | 06/29/2025 | 23:27:01 | 69.97,-175.53 | 46.77 | 1.21 | 59 |
| 9 | 07/02/2025 | 14:03:30 | 70.16, -34.66 | 47.16 | 07/02/2025 | 14:04:34 | 70.16, -34.65 | 47.14 | 0.53 | 64 |
| 10 | 07/02/2025 | 14:54:11 | -70.03, 132.86 | 132.98 | 07/02/2025 | 14:54:04 | -70.06, 132.84 | 132.96 | 2.83 | 7 |
| 11 | 07/02/2025 | 15:44:48 | 69.53, -59.09 | 46.50 | 07/02/2025 | 15:43:37 | 69.61, -60.13 | 46.63 | 41.60 | 71 |
| 12 | 07/05/2025 | 06:20:26 | 70.14, 81.14 | 47.37 | 07/05/2025 | 06:21:04 | 70.12, 81.18 | 47.34 | 2.73 | 38 |
| 13 | 07/05/2025 | 07:11:07 | -70.01,-111.34 | 132.77 | 07/05/2025 | 07:10:34 | -70.02,-111.33 | 132.75 | 2.04 | 33 |
| 14 | 07/07/2025 | 21:46:49 | -70.82, 28.52 | 131.64 | 07/07/2025 | 21:47:58 | -70.68, 30.24 | 131.85 | 64.95 | 69 |
| 15 | 07/07/2025 | 22:37:21 | 70.07,-162.99 | 47.58 | 07/07/2025 | 22:37:34 | 70.07,-163.00 | 47.58 | 0.63 | 13 |
| 16 | 07/07/2025 | 23:28:03 | -69.98, 4.47 | 132.51 | 07/07/2025 | 23:27:04 | -69.98, 4.49 | 132.51 | 1.07 | 59 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/24/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8