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: 5/19/2025
| 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 | 22:36:50 | 70.11,-162.91 | 49.85 | 05/20/2025 | 22:37:14 | 70.09,-162.99 | 49.83 | 3.70 | 24 |
| 2 | 05/20/2025 | 23:27:32 | -70.04, 4.53 | 130.24 | 05/20/2025 | 23:26:43 | -70.03, 4.56 | 130.24 | 1.35 | 49 |
| 3 | 05/23/2025 | 14:03:04 | -70.26, 145.32 | 130.52 | 05/23/2025 | 14:04:16 | -70.25, 145.48 | 130.53 | 5.84 | 72 |
| 4 | 05/23/2025 | 14:53:47 | 70.07, -47.09 | 49.29 | 05/23/2025 | 14:53:44 | 70.09, -47.11 | 49.31 | 2.47 | 3 |
| 5 | 05/23/2025 | 15:44:28 | -69.94, 120.43 | 130.86 | 05/23/2025 | 15:43:14 | -69.98, 120.37 | 130.81 | 5.03 | 74 |
| 6 | 05/26/2025 | 06:20:00 | -70.17, -98.78 | 131.09 | 05/26/2025 | 06:20:47 | -70.18, -98.74 | 131.08 | 1.99 | 47 |
| 7 | 05/26/2025 | 07:10:43 | 70.04, 68.72 | 48.78 | 05/26/2025 | 07:10:14 | 70.02, 68.67 | 48.76 | 2.91 | 29 |
| 8 | 05/28/2025 | 21:46:28 | 70.95,-151.61 | 49.31 | 05/28/2025 | 21:47:35 | 70.85,-149.49 | 49.15 | 77.72 | 67 |
| 9 | 05/28/2025 | 22:36:56 | -70.14, 17.02 | 131.55 | 05/28/2025 | 22:37:16 | -70.15, 17.09 | 131.55 | 2.71 | 20 |
| 10 | 05/28/2025 | 23:27:40 | 70.01,-175.47 | 48.31 | 05/28/2025 | 23:26:43 | 70.03,-175.42 | 48.34 | 3.33 | 57 |
| 11 | 05/31/2025 | 14:03:11 | 70.20, -34.63 | 48.13 | 05/31/2025 | 14:04:16 | 70.19, -34.59 | 48.11 | 1.50 | 65 |
| 12 | 05/31/2025 | 14:53:52 | -70.07, 132.89 | 132.01 | 05/31/2025 | 14:53:46 | -70.09, 132.89 | 132.00 | 2.22 | 6 |
| 13 | 05/31/2025 | 15:44:30 | 69.62, -59.13 | 47.52 | 05/31/2025 | 15:43:19 | 69.64, -60.08 | 47.57 | 36.94 | 71 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/19/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/19/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8