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: 6/18/2025
| 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 | 06/19/2025 | 06:20:18 | 70.15, 81.17 | 46.68 | 06/19/2025 | 06:20:58 | 70.15, 81.21 | 46.67 | 1.70 | 40 |
| 2 | 06/19/2025 | 07:10:59 | -70.04,-111.35 | 133.44 | 06/19/2025 | 07:10:28 | -70.04,-111.31 | 133.44 | 1.22 | 31 |
| 3 | 06/21/2025 | 21:46:43 | -70.94, 28.35 | 132.50 | 06/21/2025 | 21:47:51 | -70.83, 30.45 | 132.69 | 77.45 | 68 |
| 4 | 06/21/2025 | 22:37:14 | 70.11,-163.02 | 46.64 | 06/21/2025 | 22:37:29 | 70.12,-162.95 | 46.64 | 2.68 | 15 |
| 5 | 06/21/2025 | 23:27:55 | -70.00, 4.48 | 133.49 | 06/21/2025 | 23:26:59 | -70.01, 4.53 | 133.47 | 2.58 | 56 |
| 6 | 06/24/2025 | 14:03:25 | -70.17, 145.35 | 133.26 | 06/24/2025 | 14:04:33 | -70.19, 145.38 | 133.26 | 1.78 | 68 |
| 7 | 06/24/2025 | 14:54:10 | 70.08, -47.21 | 46.65 | 06/24/2025 | 14:54:00 | 70.08, -47.13 | 46.64 | 2.98 | 10 |
| 8 | 06/24/2025 | 15:44:46 | -69.70, 120.69 | 133.75 | 06/24/2025 | 15:43:34 | -69.75, 120.05 | 133.67 | 25.28 | 72 |
| 9 | 06/27/2025 | 06:20:20 | -70.14, -98.84 | 133.20 | 06/27/2025 | 06:21:03 | -70.13, -98.83 | 133.22 | 1.76 | 43 |
| 10 | 06/27/2025 | 07:11:04 | 70.01, 68.67 | 46.66 | 06/27/2025 | 07:10:30 | 70.01, 68.66 | 46.67 | 0.97 | 34 |
| 11 | 06/29/2025 | 21:46:46 | 70.83,-151.49 | 47.67 | 06/29/2025 | 21:47:54 | 70.70,-149.73 | 47.47 | 65.74 | 68 |
| 12 | 06/29/2025 | 22:37:16 | -70.12, 16.96 | 133.08 | 06/29/2025 | 22:37:33 | -70.11, 17.03 | 133.10 | 2.68 | 17 |
| 13 | 06/29/2025 | 23:28:00 | 69.99,-175.53 | 46.79 | 06/29/2025 | 23:27:00 | 69.99,-175.49 | 46.79 | 1.56 | 60 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/18/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/18/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8