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: 2/21/2025
| 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 | 02/23/2025 | 06:45:31 | -70.17,-105.07 | 100.09 | 02/23/2025 | 06:46:10 | -70.16,-105.03 | 100.10 | 1.42 | 39 |
| 2 | 02/23/2025 | 07:36:16 | 70.07, 62.38 | 79.81 | 02/23/2025 | 07:35:37 | 70.05, 62.46 | 79.79 | 3.58 | 39 |
| 3 | 02/25/2025 | 22:11:52 | 70.58,-157.27 | 79.37 | 02/25/2025 | 22:13:03 | 70.46,-156.34 | 79.20 | 36.84 | 71 |
| 4 | 02/25/2025 | 23:02:27 | -70.14, 10.73 | 101.11 | 02/25/2025 | 23:02:37 | -70.13, 10.81 | 101.13 | 3.26 | 10 |
| 5 | 02/25/2025 | 23:53:11 | 70.00, 178.25 | 78.73 | 02/25/2025 | 23:52:04 | 70.02, 178.30 | 78.76 | 3.06 | 67 |
| 6 | 02/28/2025 | 14:28:40 | 70.15, -40.83 | 77.90 | 02/28/2025 | 14:29:34 | 70.17, -40.88 | 77.91 | 2.54 | 54 |
| 7 | 02/28/2025 | 15:19:22 | -70.08, 126.60 | 102.19 | 02/28/2025 | 15:19:04 | -70.06, 126.60 | 102.21 | 2.10 | 18 |
| 8 | 02/28/2025 | 16:09:51 | 69.14, -64.74 | 76.82 | 02/28/2025 | 16:08:44 | 69.23, -66.88 | 77.00 | 85.24 | 67 |
| 9 | 03/03/2025 | 06:45:35 | 70.10, 75.00 | 76.83 | 03/03/2025 | 06:46:00 | 70.10, 74.93 | 76.83 | 2.78 | 25 |
| 10 | 03/03/2025 | 07:36:17 | -70.02,-117.56 | 103.27 | 03/03/2025 | 07:35:30 | -70.00,-117.59 | 103.29 | 3.29 | 47 |
| 11 | 03/05/2025 | 22:11:45 | -70.19, 23.32 | 104.11 | 03/05/2025 | 22:12:57 | -70.17, 23.27 | 104.14 | 3.15 | 72 |
| 12 | 03/05/2025 | 23:02:29 | 70.07,-169.18 | 75.75 | 03/05/2025 | 23:02:24 | 70.05,-169.25 | 75.74 | 3.23 | 5 |
| 13 | 03/05/2025 | 23:53:08 | -69.83, -1.50 | 104.52 | 03/05/2025 | 23:51:55 | -69.89, -1.84 | 104.43 | 14.98 | 73 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/21/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/21/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9