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: 6/26/2025
| 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 | 06/27/2025 | 06:20:21 | -70.15, -98.85 | 133.19 | 06/27/2025 | 06:21:04 | -70.14, -98.81 | 133.21 | 1.77 | 43 |
| 2 | 06/27/2025 | 07:11:05 | 70.00, 68.68 | 46.66 | 06/27/2025 | 07:10:31 | 70.03, 68.69 | 46.69 | 3.52 | 34 |
| 3 | 06/29/2025 | 21:46:46 | 70.82,-151.47 | 47.66 | 06/29/2025 | 21:47:54 | 70.73,-149.68 | 47.50 | 66.04 | 68 |
| 4 | 06/29/2025 | 22:37:15 | -70.07, 17.05 | 133.14 | 06/29/2025 | 22:37:34 | -70.08, 16.98 | 133.13 | 2.69 | 19 |
| 5 | 06/29/2025 | 23:28:00 | 69.98,-175.52 | 46.78 | 06/29/2025 | 23:27:01 | 69.97,-175.52 | 46.77 | 1.03 | 59 |
| 6 | 07/02/2025 | 14:03:30 | 70.17, -34.66 | 47.16 | 07/02/2025 | 14:04:34 | 70.16, -34.65 | 47.14 | 0.81 | 64 |
| 7 | 07/02/2025 | 14:54:11 | -70.04, 132.85 | 132.98 | 07/02/2025 | 14:54:04 | -70.06, 132.84 | 132.96 | 2.15 | 7 |
| 8 | 07/02/2025 | 15:44:48 | 69.53, -59.09 | 46.50 | 07/02/2025 | 15:43:37 | 69.62, -60.13 | 46.63 | 41.30 | 71 |
| 9 | 07/05/2025 | 06:20:25 | 70.10, 81.21 | 47.32 | 07/05/2025 | 06:21:04 | 70.13, 81.19 | 47.35 | 3.35 | 39 |
| 10 | 07/05/2025 | 07:11:07 | -70.01,-111.35 | 132.76 | 07/05/2025 | 07:10:34 | -70.02,-111.33 | 132.75 | 1.32 | 33 |
| 11 | 07/07/2025 | 21:46:49 | -70.83, 28.50 | 131.62 | 07/07/2025 | 21:47:57 | -70.74, 30.33 | 131.79 | 67.68 | 68 |
| 12 | 07/07/2025 | 22:37:21 | 70.08,-163.00 | 47.59 | 07/07/2025 | 22:37:34 | 70.08,-163.00 | 47.58 | 0.83 | 13 |
| 13 | 07/07/2025 | 23:28:03 | -69.99, 4.45 | 132.50 | 07/07/2025 | 23:27:04 | -69.98, 4.49 | 132.51 | 2.56 | 59 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/26/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/26/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8