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: 2/16/2025
| 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 | 02/17/2025 | 22:11:55 | -71.02, 22.03 | 97.24 | 02/17/2025 | 22:13:02 | -70.92, 24.33 | 97.45 | 84.17 | 67 |
| 2 | 02/17/2025 | 23:02:24 | 70.09,-169.16 | 81.76 | 02/17/2025 | 23:02:42 | 70.11,-169.23 | 81.78 | 3.46 | 18 |
| 3 | 02/17/2025 | 23:53:05 | -69.98, -1.67 | 98.37 | 02/17/2025 | 23:52:12 | -69.99, -1.75 | 98.35 | 3.68 | 53 |
| 4 | 02/20/2025 | 14:28:35 | -70.19, 139.14 | 99.09 | 02/20/2025 | 14:29:43 | -70.16, 139.09 | 99.12 | 3.14 | 68 |
| 5 | 02/20/2025 | 15:19:20 | 70.09, -53.41 | 80.81 | 02/20/2025 | 15:19:09 | 70.11, -53.34 | 80.82 | 3.33 | 11 |
| 6 | 02/20/2025 | 16:09:56 | -69.71, 114.48 | 99.61 | 02/20/2025 | 16:08:44 | -69.73, 113.76 | 99.56 | 27.84 | 72 |
| 7 | 02/23/2025 | 06:45:31 | -70.15,-105.04 | 100.11 | 02/23/2025 | 06:46:11 | -70.13,-105.08 | 100.13 | 2.88 | 40 |
| 8 | 02/23/2025 | 07:36:15 | 70.01, 62.48 | 79.74 | 02/23/2025 | 07:35:38 | 70.01, 62.41 | 79.75 | 3.05 | 37 |
| 9 | 02/25/2025 | 22:11:53 | 70.61,-157.33 | 79.41 | 02/25/2025 | 22:13:03 | 70.47,-156.32 | 79.22 | 40.61 | 70 |
| 10 | 02/25/2025 | 23:02:27 | -70.12, 10.77 | 101.13 | 02/25/2025 | 23:02:38 | -70.10, 10.77 | 101.16 | 2.80 | 11 |
| 11 | 02/25/2025 | 23:53:11 | 69.99, 178.28 | 78.72 | 02/25/2025 | 23:52:05 | 69.98, 178.25 | 78.72 | 1.21 | 66 |
| 12 | 02/28/2025 | 14:28:41 | 70.18, -40.89 | 77.94 | 02/28/2025 | 14:29:34 | 70.18, -40.86 | 77.92 | 1.39 | 53 |
| 13 | 02/28/2025 | 15:19:22 | -70.05, 126.63 | 102.21 | 02/28/2025 | 15:19:04 | -70.07, 126.63 | 102.19 | 2.15 | 18 |
| 14 | 02/28/2025 | 16:09:52 | 69.18, -64.79 | 76.86 | 02/28/2025 | 16:08:44 | 69.24, -66.87 | 77.01 | 82.33 | 68 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/16/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/16/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9