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: 2/24/2025
| 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 | 02/25/2025 | 22:11:52 | 70.58,-157.27 | 79.37 | 02/25/2025 | 22:13:03 | 70.45,-156.36 | 79.19 | 36.90 | 71 |
| 2 | 02/25/2025 | 23:02:26 | -70.09, 10.81 | 101.16 | 02/25/2025 | 23:02:37 | -70.11, 10.79 | 101.14 | 2.07 | 11 |
| 3 | 02/25/2025 | 23:53:11 | 70.00, 178.25 | 78.74 | 02/25/2025 | 23:52:04 | 70.01, 178.28 | 78.75 | 1.32 | 67 |
| 4 | 02/28/2025 | 14:28:40 | 70.16, -40.85 | 77.91 | 02/28/2025 | 14:29:34 | 70.14, -40.92 | 77.88 | 3.65 | 54 |
| 5 | 02/28/2025 | 15:19:22 | -70.09, 126.58 | 102.18 | 02/28/2025 | 15:19:03 | -70.08, 126.63 | 102.19 | 2.31 | 19 |
| 6 | 02/28/2025 | 16:09:51 | 69.15, -64.75 | 76.83 | 02/28/2025 | 16:08:44 | 69.20, -66.92 | 76.97 | 86.06 | 67 |
| 7 | 03/03/2025 | 06:45:35 | 70.12, 74.98 | 76.85 | 03/03/2025 | 06:45:59 | 70.11, 74.94 | 76.83 | 2.08 | 24 |
| 8 | 03/03/2025 | 07:36:17 | -70.04,-117.59 | 103.25 | 03/03/2025 | 07:35:28 | -70.05,-117.51 | 103.24 | 3.06 | 49 |
| 9 | 03/05/2025 | 22:11:45 | -70.22, 23.28 | 104.08 | 03/05/2025 | 22:12:55 | -70.20, 23.32 | 104.11 | 2.59 | 70 |
| 10 | 03/05/2025 | 23:02:29 | 70.10,-169.22 | 75.78 | 03/05/2025 | 23:02:22 | 70.09,-169.20 | 75.77 | 1.39 | 7 |
| 11 | 03/05/2025 | 23:53:07 | -69.80, -1.46 | 104.55 | 03/05/2025 | 23:51:54 | -69.87, -1.87 | 104.45 | 17.27 | 73 |
| 12 | 03/08/2025 | 14:28:39 | -70.15, 139.16 | 105.20 | 03/08/2025 | 14:29:19 | -70.13, 139.13 | 105.22 | 2.07 | 40 |
| 13 | 03/08/2025 | 15:19:23 | 70.03, -53.36 | 74.67 | 03/08/2025 | 15:18:46 | 70.02, -53.39 | 74.66 | 2.19 | 37 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/24/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9