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: 1/14/2025
| 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 | 01/14/2025 | 05:55:25 | -71.03, -93.79 | 87.69 | 01/14/2025 | 05:56:32 | -70.93, -91.48 | 87.87 | 84.13 | 67 |
| 2 | 01/14/2025 | 06:45:54 | 70.13, 74.97 | 91.36 | 01/14/2025 | 06:46:12 | 70.12, 74.96 | 91.36 | 0.56 | 18 |
| 3 | 01/14/2025 | 07:36:35 | -69.99,-117.51 | 88.79 | 01/14/2025 | 07:35:42 | -70.01,-117.57 | 88.76 | 3.17 | 53 |
| 4 | 01/16/2025 | 22:12:02 | -70.43, 22.98 | 88.81 | 01/16/2025 | 22:13:13 | -70.37, 23.54 | 88.91 | 21.89 | 71 |
| 5 | 01/16/2025 | 23:02:42 | 70.10,-169.20 | 90.84 | 01/16/2025 | 23:02:43 | 70.10,-169.20 | 90.84 | 0.38 | 1 |
| 6 | 01/16/2025 | 23:53:23 | -69.97, -1.68 | 89.31 | 01/16/2025 | 23:52:13 | -69.99, -1.72 | 89.28 | 2.74 | 70 |
| 7 | 01/19/2025 | 14:28:46 | -70.21, 139.12 | 89.59 | 01/19/2025 | 14:29:46 | -70.21, 139.18 | 89.60 | 2.02 | 60 |
| 8 | 01/19/2025 | 15:19:29 | 70.09, -53.39 | 90.29 | 01/19/2025 | 15:19:12 | 70.10, -53.33 | 90.29 | 2.22 | 17 |
| 9 | 01/19/2025 | 16:10:01 | -69.49, 114.83 | 90.36 | 01/19/2025 | 16:08:51 | -69.50, 113.47 | 90.29 | 52.98 | 70 |
| 10 | 01/22/2025 | 06:45:32 | -70.15,-104.99 | 90.24 | 01/22/2025 | 06:46:15 | -70.17,-104.99 | 90.23 | 2.18 | 43 |
| 11 | 01/22/2025 | 07:36:16 | 70.04, 62.49 | 89.64 | 01/22/2025 | 07:35:42 | 70.06, 62.49 | 89.67 | 2.79 | 34 |
| 12 | 01/24/2025 | 22:11:55 | 71.13,-158.10 | 90.18 | 01/24/2025 | 22:13:00 | 71.03,-155.46 | 89.97 | 95.65 | 65 |
| 13 | 01/24/2025 | 23:02:20 | -70.16, 10.79 | 90.86 | 01/24/2025 | 23:02:44 | -70.16, 10.87 | 90.87 | 2.80 | 24 |
| 14 | 01/24/2025 | 23:53:04 | 70.04, 178.28 | 89.01 | 01/24/2025 | 23:52:11 | 70.05, 178.35 | 89.02 | 2.64 | 53 |
| 15 | 01/27/2025 | 14:28:29 | 70.41, -41.12 | 88.74 | 01/27/2025 | 14:29:41 | 70.32, -40.65 | 88.62 | 20.18 | 72 |
| 16 | 01/27/2025 | 15:19:07 | -70.12, 126.65 | 91.58 | 01/27/2025 | 15:19:13 | -70.11, 126.68 | 91.59 | 1.66 | 6 |
| 17 | 01/27/2025 | 16:09:51 | 70.00, -65.86 | 88.29 | 01/27/2025 | 16:08:40 | 69.99, -65.84 | 88.29 | 1.45 | 71 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/14/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/14/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9