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: 5/15/2025
| 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 | 70.37, -34.83 | 51.29 | 05/15/2025 | 14:04:10 | 70.30, -34.45 | 51.20 | 16.37 | 71 |
| 2 | 05/15/2025 | 14:53:38 | -70.13, 132.87 | 128.98 | 05/15/2025 | 14:53:41 | -70.13, 132.94 | 128.98 | 2.73 | 3 |
| 3 | 05/15/2025 | 15:44:22 | 70.00, -59.64 | 50.89 | 05/15/2025 | 15:43:09 | 69.98, -59.64 | 50.87 | 3.19 | 73 |
| 4 | 05/18/2025 | 06:19:53 | 70.16, 81.26 | 50.46 | 05/18/2025 | 06:20:42 | 70.16, 81.23 | 50.46 | 1.28 | 49 |
| 5 | 05/18/2025 | 07:10:35 | -70.07,-111.29 | 129.63 | 05/18/2025 | 07:10:12 | -70.05,-111.30 | 129.66 | 3.22 | 23 |
| 6 | 05/20/2025 | 22:36:50 | 70.11,-162.90 | 49.85 | 05/20/2025 | 22:37:12 | 70.10,-162.96 | 49.84 | 2.33 | 22 |
| 7 | 05/20/2025 | 23:27:32 | -70.03, 4.54 | 130.25 | 05/20/2025 | 23:26:41 | -70.05, 4.59 | 130.22 | 3.39 | 51 |
| 8 | 05/23/2025 | 14:03:03 | -70.19, 145.42 | 130.58 | 05/23/2025 | 14:04:14 | -70.20, 145.41 | 130.59 | 0.64 | 71 |
| 9 | 05/23/2025 | 14:53:47 | 70.06, -47.08 | 49.28 | 05/23/2025 | 14:53:41 | 70.09, -47.10 | 49.30 | 2.58 | 6 |
| 10 | 05/23/2025 | 15:44:26 | -69.82, 120.60 | 130.98 | 05/23/2025 | 15:43:13 | -69.87, 120.23 | 130.92 | 15.32 | 73 |
| 11 | 05/26/2025 | 06:19:59 | -70.15, -98.76 | 131.10 | 05/26/2025 | 06:20:42 | -70.16, -98.75 | 131.10 | 0.75 | 43 |
| 12 | 05/26/2025 | 07:10:43 | 70.03, 68.74 | 48.76 | 05/26/2025 | 07:10:09 | 70.05, 68.73 | 48.79 | 2.37 | 34 |
| 13 | 05/28/2025 | 21:46:24 | 70.73,-151.23 | 49.07 | 05/28/2025 | 21:47:33 | 70.64,-149.78 | 48.95 | 54.16 | 69 |
| 14 | 05/28/2025 | 22:36:56 | -70.12, 17.05 | 131.57 | 05/28/2025 | 22:37:11 | -70.11, 17.06 | 131.59 | 2.02 | 15 |
| 15 | 05/28/2025 | 23:27:40 | 69.99,-175.45 | 48.30 | 05/28/2025 | 23:26:38 | 69.99,-175.46 | 48.30 | 0.76 | 62 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/15/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/15/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8