Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/5/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 05/06/2025 | 06:45:02 | 70.15, 74.99 | 53.45 | 05/06/2025 | 06:45:42 | 70.15, 74.92 | 53.44 | 2.53 | 40 |
| 2 | 05/06/2025 | 07:35:44 | -70.05,-117.54 | 126.67 | 05/06/2025 | 07:35:12 | -70.04,-117.61 | 126.68 | 3.20 | 32 |
| 3 | 05/08/2025 | 22:11:25 | -70.71, 22.55 | 126.70 | 05/08/2025 | 22:12:35 | -70.63, 23.87 | 126.81 | 49.24 | 70 |
| 4 | 05/08/2025 | 23:02:00 | 70.13,-169.22 | 52.69 | 05/08/2025 | 23:02:09 | 70.15,-169.20 | 52.71 | 1.83 | 9 |
| 5 | 05/08/2025 | 23:52:42 | -70.03, -1.75 | 127.42 | 05/08/2025 | 23:51:39 | -70.03, -1.73 | 127.42 | 0.84 | 63 |
| 6 | 05/11/2025 | 14:28:13 | -70.23, 139.07 | 127.89 | 05/11/2025 | 14:29:08 | -70.22, 139.14 | 127.92 | 2.89 | 55 |
| 7 | 05/11/2025 | 15:18:57 | 70.12, -53.45 | 51.99 | 05/11/2025 | 15:18:35 | 70.11, -53.37 | 51.97 | 3.14 | 22 |
| 8 | 05/11/2025 | 16:09:25 | -69.28, 115.11 | 128.89 | 05/11/2025 | 16:08:17 | -69.34, 113.21 | 128.79 | 74.89 | 68 |
| 9 | 05/14/2025 | 05:54:45 | 71.17, 85.99 | 52.43 | 05/14/2025 | 05:55:50 | 71.08, 88.69 | 52.28 | 97.72 | 65 |
| 10 | 05/14/2025 | 06:45:10 | -70.18,-105.09 | 128.61 | 05/14/2025 | 06:45:35 | -70.15,-105.07 | 128.64 | 3.28 | 25 |
| 11 | 05/14/2025 | 07:35:54 | 70.07, 62.39 | 51.27 | 05/14/2025 | 07:35:02 | 70.04, 62.42 | 51.24 | 3.25 | 52 |
| 12 | 05/16/2025 | 22:11:25 | 70.23,-156.73 | 50.83 | 05/16/2025 | 22:12:31 | 70.21,-156.73 | 50.81 | 2.25 | 66 |
| 13 | 05/16/2025 | 23:02:06 | -70.08, 10.82 | 129.33 | 05/16/2025 | 23:02:01 | -70.10, 10.75 | 129.31 | 3.42 | 5 |
| 14 | 05/16/2025 | 23:52:44 | 69.65, 178.77 | 50.22 | 05/16/2025 | 23:51:33 | 69.71, 177.86 | 50.31 | 36.14 | 71 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/5/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/05/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9