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: 5/14/2025
| 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 | 05/15/2025 | 14:02:59 | 70.36, -34.80 | 51.27 | 05/15/2025 | 14:04:10 | 70.32, -34.42 | 51.22 | 14.84 | 71 |
| 2 | 05/15/2025 | 14:53:38 | -70.11, 132.89 | 128.99 | 05/15/2025 | 14:53:42 | -70.09, 132.89 | 129.01 | 1.98 | 4 |
| 3 | 05/15/2025 | 15:44:22 | 69.99, -59.61 | 50.87 | 05/15/2025 | 15:43:09 | 69.99, -59.61 | 50.88 | 0.60 | 73 |
| 4 | 05/18/2025 | 06:19:54 | 70.20, 81.21 | 50.50 | 05/18/2025 | 06:20:42 | 70.17, 81.25 | 50.47 | 3.05 | 48 |
| 5 | 05/18/2025 | 07:10:35 | -70.06,-111.27 | 129.65 | 05/18/2025 | 07:10:12 | -70.06,-111.28 | 129.65 | 0.59 | 23 |
| 6 | 05/20/2025 | 21:46:24 | -71.16, 28.09 | 129.06 | 05/20/2025 | 21:47:30 | -71.04, 30.79 | 129.24 | 98.38 | 66 |
| 7 | 05/20/2025 | 22:36:50 | 70.09,-162.88 | 49.83 | 05/20/2025 | 22:37:12 | 70.11,-162.95 | 49.85 | 3.55 | 22 |
| 8 | 05/20/2025 | 23:27:32 | -70.01, 4.57 | 130.27 | 05/20/2025 | 23:26:42 | -70.01, 4.53 | 130.26 | 1.40 | 50 |
| 9 | 05/23/2025 | 14:03:02 | -70.18, 145.45 | 130.60 | 05/23/2025 | 14:04:13 | -70.20, 145.41 | 130.58 | 2.90 | 71 |
| 10 | 05/23/2025 | 14:53:47 | 70.10, -47.13 | 49.32 | 05/23/2025 | 14:53:40 | 70.09, -47.10 | 49.30 | 2.03 | 7 |
| 11 | 05/23/2025 | 15:44:25 | -69.81, 120.63 | 130.99 | 05/23/2025 | 15:43:12 | -69.87, 120.23 | 130.91 | 16.84 | 73 |
| 12 | 05/26/2025 | 06:19:59 | -70.14, -98.74 | 131.12 | 05/26/2025 | 06:20:42 | -70.15, -98.76 | 131.11 | 2.00 | 43 |
| 13 | 05/26/2025 | 07:10:44 | 70.06, 68.68 | 48.80 | 05/26/2025 | 07:10:09 | 70.04, 68.72 | 48.78 | 3.04 | 35 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/14/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/14/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8