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: 3/16/2025
| 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 | 03/17/2025 | 22:37:05 | 70.13,-162.94 | 71.08 | 03/17/2025 | 22:37:30 | 70.15,-162.98 | 71.10 | 3.12 | 25 |
| 2 | 03/17/2025 | 23:27:47 | -70.04, 4.52 | 109.03 | 03/17/2025 | 23:27:00 | -70.04, 4.49 | 109.02 | 1.16 | 47 |
| 3 | 03/20/2025 | 14:03:16 | -70.29, 145.28 | 109.80 | 03/20/2025 | 14:04:28 | -70.24, 145.40 | 109.87 | 6.88 | 72 |
| 4 | 03/20/2025 | 14:53:59 | 70.13, -47.17 | 70.02 | 03/20/2025 | 14:53:55 | 70.13, -47.11 | 70.02 | 2.13 | 4 |
| 5 | 03/20/2025 | 15:44:39 | -69.93, 120.46 | 110.21 | 03/20/2025 | 15:43:26 | -69.97, 120.28 | 110.16 | 7.83 | 73 |
| 6 | 03/23/2025 | 06:20:07 | -70.20, -98.81 | 110.96 | 03/23/2025 | 06:20:52 | -70.18, -98.80 | 110.99 | 2.51 | 45 |
| 7 | 03/23/2025 | 07:10:50 | 70.05, 68.73 | 68.87 | 03/23/2025 | 07:10:19 | 70.06, 68.68 | 68.89 | 2.46 | 31 |
| 8 | 03/25/2025 | 21:46:28 | 70.82,-151.33 | 68.65 | 03/25/2025 | 21:47:37 | 70.71,-149.74 | 68.48 | 59.27 | 69 |
| 9 | 03/25/2025 | 22:37:00 | -70.18, 17.00 | 112.04 | 03/25/2025 | 22:37:15 | -70.17, 17.08 | 112.06 | 3.22 | 15 |
| 10 | 03/25/2025 | 23:27:43 | 70.03,-175.47 | 67.80 | 03/25/2025 | 23:26:42 | 70.05,-175.44 | 67.82 | 2.13 | 61 |
| 11 | 03/28/2025 | 14:03:09 | 70.18, -34.55 | 66.93 | 03/28/2025 | 14:04:08 | 70.21, -34.58 | 66.95 | 3.20 | 59 |
| 12 | 03/28/2025 | 14:53:52 | -70.12, 132.87 | 113.16 | 03/28/2025 | 14:53:38 | -70.10, 132.90 | 113.18 | 1.91 | 14 |
| 13 | 03/28/2025 | 15:44:24 | 69.40, -58.75 | 66.08 | 03/28/2025 | 15:43:15 | 69.43, -60.38 | 66.18 | 63.73 | 69 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/16/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/16/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8