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: 3/4/2025
| 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 | 03/04/2025 | 14:03:25 | -70.63, 144.75 | 103.12 | 03/04/2025 | 14:04:35 | -70.52, 145.79 | 103.29 | 40.29 | 70 |
| 2 | 03/04/2025 | 14:54:02 | 70.13, -47.15 | 76.34 | 03/04/2025 | 14:54:07 | 70.14, -47.12 | 76.35 | 2.16 | 5 |
| 3 | 03/04/2025 | 15:44:43 | -70.01, 120.35 | 103.81 | 03/04/2025 | 15:43:37 | -70.03, 120.36 | 103.77 | 3.17 | 66 |
| 4 | 03/07/2025 | 06:20:12 | -70.19, -98.79 | 104.63 | 03/07/2025 | 06:21:10 | -70.20, -98.81 | 104.63 | 1.32 | 58 |
| 5 | 03/07/2025 | 07:10:57 | 70.11, 68.63 | 75.28 | 03/07/2025 | 07:10:37 | 70.09, 68.68 | 75.26 | 3.08 | 20 |
| 6 | 03/07/2025 | 08:01:26 | -69.35,-122.92 | 105.54 | 03/07/2025 | 08:00:17 | -69.44,-124.59 | 105.38 | 65.91 | 69 |
| 7 | 03/09/2025 | 22:37:07 | -70.18, 16.99 | 105.69 | 03/09/2025 | 22:37:39 | -70.17, 17.03 | 105.71 | 1.72 | 32 |
| 8 | 03/09/2025 | 23:27:51 | 70.06,-175.51 | 74.17 | 03/09/2025 | 23:27:06 | 70.06,-175.48 | 74.17 | 1.07 | 45 |
| 9 | 03/12/2025 | 14:03:23 | 70.48, -35.03 | 73.59 | 03/12/2025 | 14:04:34 | 70.37, -34.43 | 73.44 | 25.62 | 71 |
| 10 | 03/12/2025 | 14:54:00 | -70.13, 132.84 | 106.81 | 03/12/2025 | 14:54:07 | -70.11, 132.82 | 106.83 | 2.78 | 7 |
| 11 | 03/12/2025 | 15:44:44 | 70.02, -59.68 | 73.07 | 03/12/2025 | 15:43:34 | 69.99, -59.70 | 73.05 | 2.92 | 70 |
| 12 | 03/15/2025 | 06:20:12 | 70.19, 81.20 | 72.21 | 03/15/2025 | 06:21:04 | 70.22, 81.22 | 72.23 | 3.00 | 52 |
| 13 | 03/15/2025 | 07:10:54 | -70.09,-111.33 | 107.91 | 03/15/2025 | 07:10:34 | -70.11,-111.29 | 107.89 | 3.07 | 20 |
| 14 | 03/15/2025 | 08:01:22 | 69.13, 57.37 | 71.08 | 03/15/2025 | 08:00:15 | 69.22, 55.14 | 71.26 | 88.79 | 67 |
| 15 | 03/17/2025 | 22:37:06 | 70.17,-163.00 | 71.13 | 03/17/2025 | 22:37:31 | 70.19,-162.93 | 71.13 | 3.03 | 25 |
| 16 | 03/17/2025 | 23:27:48 | -70.06, 4.48 | 109.00 | 03/17/2025 | 23:27:02 | -70.03, 4.48 | 109.03 | 3.59 | 46 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/4/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/04/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8