Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/1/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 03/01/2025 | 23:26:02 | 70.54,-176.27 | 77.82 | 03/01/2025 | 23:27:11 | 70.44,-174.91 | 77.65 | 51.57 | 69 |
| 2 | 03/02/2025 | 00:16:34 | -69.95, -8.02 | 102.83 | 03/02/2025 | 00:16:48 | -69.94, -7.99 | 102.84 | 1.29 | 14 |
| 3 | 03/02/2025 | 01:07:18 | 69.81, 159.49 | 77.01 | 03/02/2025 | 01:06:16 | 69.79, 159.43 | 77.00 | 3.36 | 62 |
| 4 | 03/04/2025 | 15:42:45 | 70.03, -59.68 | 76.24 | 03/04/2025 | 15:43:48 | 70.02, -59.64 | 76.22 | 1.75 | 63 |
| 5 | 03/04/2025 | 16:33:26 | -69.91, 107.82 | 103.91 | 03/04/2025 | 16:33:18 | -69.92, 107.84 | 103.90 | 1.59 | 8 |
| 6 | 03/04/2025 | 17:24:03 | 69.40, -84.13 | 75.55 | 03/04/2025 | 17:22:52 | 69.42, -85.18 | 75.63 | 41.30 | 71 |
| 7 | 03/07/2025 | 07:59:37 | 70.00, 56.14 | 75.17 | 03/07/2025 | 08:00:17 | 69.99, 56.19 | 75.14 | 2.41 | 40 |
| 8 | 03/07/2025 | 08:50:18 | -69.88,-136.36 | 104.98 | 03/07/2025 | 08:49:47 | -69.88,-136.32 | 104.98 | 1.30 | 31 |
| 9 | 03/09/2025 | 23:25:59 | -70.85, 3.27 | 104.97 | 03/09/2025 | 23:27:06 | -70.71, 5.49 | 105.21 | 82.86 | 67 |
| 10 | 03/10/2025 | 00:16:28 | 69.94, 172.02 | 74.04 | 03/10/2025 | 00:16:45 | 69.94, 172.01 | 74.05 | 0.92 | 17 |
| 11 | 03/10/2025 | 01:07:09 | -69.81, -20.47 | 106.10 | 03/10/2025 | 01:06:15 | -69.84, -20.50 | 106.07 | 3.24 | 54 |
| 12 | 03/12/2025 | 15:42:34 | -70.01, 120.38 | 106.92 | 03/12/2025 | 15:43:44 | -70.01, 120.35 | 106.94 | 1.22 | 70 |
| 13 | 03/12/2025 | 16:33:18 | 69.88, -72.12 | 72.93 | 03/12/2025 | 16:33:11 | 69.89, -72.17 | 72.94 | 2.18 | 7 |
| 14 | 03/12/2025 | 17:23:56 | -69.60, 95.62 | 107.39 | 03/12/2025 | 17:22:43 | -69.68, 95.17 | 107.28 | 19.60 | 73 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/1/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/01/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9