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: 5/3/2025
| 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 | 05/04/2025 | 22:36:34 | 70.20,-162.96 | 53.88 | 05/04/2025 | 22:37:10 | 70.20,-162.96 | 53.87 | 0.39 | 36 |
| 2 | 05/04/2025 | 23:27:16 | -70.10, 4.51 | 126.24 | 05/04/2025 | 23:26:40 | -70.09, 4.51 | 126.26 | 1.60 | 36 |
| 3 | 05/07/2025 | 14:02:55 | -70.65, 144.77 | 126.40 | 05/07/2025 | 14:04:06 | -70.55, 145.79 | 126.53 | 39.32 | 71 |
| 4 | 05/07/2025 | 14:53:32 | 70.18, -47.17 | 53.10 | 05/07/2025 | 14:53:38 | 70.18, -47.11 | 53.10 | 2.19 | 6 |
| 5 | 05/07/2025 | 15:44:13 | -70.08, 120.30 | 127.02 | 05/07/2025 | 15:43:07 | -70.06, 120.36 | 127.02 | 2.53 | 66 |
| 6 | 05/10/2025 | 06:19:44 | -70.22, -98.78 | 127.56 | 05/10/2025 | 06:20:38 | -70.22, -98.81 | 127.56 | 1.04 | 54 |
| 7 | 05/10/2025 | 07:10:28 | 70.11, 68.69 | 52.32 | 05/10/2025 | 07:10:05 | 70.11, 68.68 | 52.32 | 0.62 | 23 |
| 8 | 05/10/2025 | 08:00:56 | -69.27,-122.75 | 128.56 | 05/10/2025 | 07:59:48 | -69.29,-124.81 | 128.49 | 80.99 | 68 |
| 9 | 05/12/2025 | 21:46:15 | 71.10,-151.78 | 52.69 | 05/12/2025 | 21:47:22 | 71.00,-149.39 | 52.53 | 86.95 | 67 |
| 10 | 05/12/2025 | 22:36:41 | -70.16, 17.06 | 128.30 | 05/12/2025 | 22:37:05 | -70.18, 17.02 | 128.28 | 2.73 | 24 |
| 11 | 05/12/2025 | 23:27:25 | 70.05,-175.46 | 51.58 | 05/12/2025 | 23:26:32 | 70.07,-175.50 | 51.60 | 2.30 | 53 |
| 12 | 05/15/2025 | 14:02:57 | 70.27, -34.66 | 51.18 | 05/15/2025 | 14:04:01 | 70.26, -34.61 | 51.17 | 1.96 | 64 |
| 13 | 05/15/2025 | 14:53:39 | -70.17, 132.81 | 128.93 | 05/15/2025 | 14:53:31 | -70.16, 132.87 | 128.95 | 2.67 | 8 |
| 14 | 05/15/2025 | 15:44:15 | 69.63, -59.08 | 50.51 | 05/15/2025 | 15:43:04 | 69.71, -60.11 | 50.61 | 40.59 | 71 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/3/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/03/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8