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: 3/2/2025
| 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 | 03/03/2025 | 06:45:35 | 70.13, 74.96 | 76.86 | 03/03/2025 | 06:46:06 | 70.12, 74.92 | 76.84 | 2.17 | 31 |
| 2 | 03/03/2025 | 07:36:16 | -70.01,-117.54 | 103.29 | 03/03/2025 | 07:35:36 | -70.01,-117.61 | 103.28 | 2.55 | 40 |
| 3 | 03/05/2025 | 22:11:52 | -70.61, 22.66 | 103.66 | 03/05/2025 | 22:13:02 | -70.49, 23.70 | 103.83 | 40.70 | 70 |
| 4 | 03/05/2025 | 23:02:29 | 70.12,-169.25 | 75.81 | 03/05/2025 | 23:02:34 | 70.11,-169.21 | 75.80 | 1.62 | 5 |
| 5 | 03/05/2025 | 23:53:10 | -69.99, -1.74 | 104.35 | 03/05/2025 | 23:52:04 | -70.01, -1.73 | 104.32 | 1.82 | 66 |
| 6 | 03/08/2025 | 14:28:39 | -70.19, 139.10 | 105.16 | 03/08/2025 | 14:29:35 | -70.21, 139.16 | 105.15 | 3.24 | 56 |
| 7 | 03/08/2025 | 15:19:23 | 70.07, -53.41 | 74.70 | 03/08/2025 | 15:19:03 | 70.04, -53.43 | 74.68 | 2.84 | 20 |
| 8 | 03/08/2025 | 16:09:52 | -69.30, 115.04 | 106.12 | 03/08/2025 | 16:08:43 | -69.39, 113.30 | 105.95 | 68.89 | 69 |
| 9 | 03/11/2025 | 06:45:33 | -70.15,-105.07 | 106.26 | 03/11/2025 | 06:46:03 | -70.13,-105.07 | 106.28 | 1.98 | 30 |
| 10 | 03/11/2025 | 07:36:17 | 70.03, 62.42 | 73.61 | 03/11/2025 | 07:35:30 | 70.01, 62.41 | 73.60 | 1.96 | 47 |
| 11 | 03/13/2025 | 22:11:47 | 70.32,-156.89 | 72.88 | 03/13/2025 | 22:12:58 | 70.25,-156.64 | 72.79 | 12.39 | 71 |
| 12 | 03/13/2025 | 23:02:26 | -70.07, 10.83 | 107.40 | 03/13/2025 | 23:02:29 | -70.09, 10.77 | 107.38 | 3.34 | 3 |
| 13 | 03/13/2025 | 23:53:09 | 69.91, 178.38 | 72.42 | 03/13/2025 | 23:51:57 | 69.92, 178.17 | 72.45 | 7.98 | 72 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/2/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/02/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9