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: 5/20/2025
| 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 | 05/20/2025 | 22:36:51 | 70.14,-162.96 | 49.88 | 05/20/2025 | 22:37:14 | 70.12,-162.95 | 49.85 | 2.85 | 23 |
| 2 | 05/20/2025 | 23:27:32 | -70.01, 4.56 | 130.26 | 05/20/2025 | 23:26:44 | -70.00, 4.52 | 130.27 | 2.07 | 48 |
| 3 | 05/23/2025 | 14:03:04 | -70.28, 145.28 | 130.49 | 05/23/2025 | 14:04:15 | -70.27, 145.51 | 130.51 | 8.80 | 71 |
| 4 | 05/23/2025 | 14:53:47 | 70.10, -47.13 | 49.32 | 05/23/2025 | 14:53:43 | 70.12, -47.07 | 49.33 | 3.08 | 4 |
| 5 | 05/23/2025 | 15:44:27 | -69.92, 120.46 | 130.88 | 05/23/2025 | 15:43:14 | -69.95, 120.33 | 130.84 | 6.47 | 73 |
| 6 | 05/26/2025 | 06:19:59 | -70.14, -98.74 | 131.11 | 05/26/2025 | 06:20:47 | -70.15, -98.79 | 131.11 | 1.85 | 48 |
| 7 | 05/26/2025 | 07:10:44 | 70.06, 68.69 | 48.80 | 05/26/2025 | 07:10:14 | 70.04, 68.71 | 48.78 | 2.18 | 30 |
| 8 | 05/28/2025 | 21:46:28 | 70.92,-151.56 | 49.27 | 05/28/2025 | 21:47:36 | 70.82,-149.54 | 49.12 | 74.39 | 68 |
| 9 | 05/28/2025 | 22:36:56 | -70.11, 17.06 | 131.58 | 05/28/2025 | 22:37:17 | -70.11, 17.05 | 131.58 | 0.72 | 21 |
| 10 | 05/28/2025 | 23:27:40 | 69.98,-175.43 | 48.28 | 05/28/2025 | 23:26:44 | 70.01,-175.46 | 48.31 | 3.26 | 56 |
| 11 | 05/31/2025 | 14:03:11 | 70.16, -34.57 | 48.09 | 05/31/2025 | 14:04:17 | 70.16, -34.63 | 48.08 | 2.28 | 66 |
| 12 | 05/31/2025 | 14:53:53 | -70.09, 132.86 | 132.00 | 05/31/2025 | 14:53:47 | -70.06, 132.85 | 132.03 | 3.19 | 6 |
| 13 | 05/31/2025 | 15:44:30 | 69.58, -59.08 | 47.48 | 05/31/2025 | 15:43:19 | 69.67, -60.04 | 47.60 | 38.61 | 71 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/20/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/20/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8