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: 3/11/2025
| 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 | 03/12/2025 | 15:42:35 | -70.05, 120.32 | 106.88 | 03/12/2025 | 15:43:47 | -70.05, 120.38 | 106.90 | 2.39 | 72 |
| 2 | 03/12/2025 | 16:33:19 | 69.91, -72.16 | 72.96 | 03/12/2025 | 16:33:15 | 69.89, -72.20 | 72.94 | 3.10 | 4 |
| 3 | 03/12/2025 | 17:23:58 | -69.69, 95.48 | 107.29 | 03/12/2025 | 17:22:46 | -69.72, 95.20 | 107.24 | 11.25 | 72 |
| 4 | 03/15/2025 | 07:59:26 | -70.00,-123.81 | 108.01 | 03/15/2025 | 08:00:15 | -69.99,-123.81 | 108.02 | 0.35 | 49 |
| 5 | 03/15/2025 | 08:50:10 | 69.86, 43.70 | 71.84 | 03/15/2025 | 08:49:42 | 69.88, 43.68 | 71.87 | 2.94 | 28 |
| 6 | 03/15/2025 | 09:40:34 | -68.84,-147.53 | 109.24 | 03/15/2025 | 09:39:28 | -68.89,-150.00 | 109.08 | 99.45 | 66 |
| 7 | 03/17/2025 | 23:25:52 | 70.91,-176.80 | 71.92 | 03/17/2025 | 23:26:58 | 70.83,-174.33 | 71.73 | 90.55 | 66 |
| 8 | 03/18/2025 | 00:16:17 | -69.95, -7.95 | 109.12 | 03/18/2025 | 00:16:42 | -69.95, -7.98 | 109.12 | 1.13 | 25 |
| 9 | 03/18/2025 | 01:07:02 | 69.87, 159.48 | 70.79 | 03/18/2025 | 01:06:09 | 69.84, 159.51 | 70.76 | 3.28 | 53 |
| 10 | 03/20/2025 | 15:42:27 | 70.04, -59.62 | 69.92 | 03/20/2025 | 15:43:38 | 70.03, -59.61 | 69.91 | 0.36 | 71 |
| 11 | 03/20/2025 | 16:33:08 | -69.91, 107.89 | 110.22 | 03/20/2025 | 16:33:08 | -69.93, 107.88 | 110.21 | 1.94 | 0 |
| 12 | 03/20/2025 | 17:23:50 | 69.68, -84.45 | 69.52 | 03/20/2025 | 17:22:37 | 69.70, -84.79 | 69.57 | 13.42 | 73 |
| 13 | 03/23/2025 | 07:59:17 | 70.01, 56.21 | 68.84 | 03/23/2025 | 08:00:02 | 70.02, 56.27 | 68.84 | 2.63 | 45 |
| 14 | 03/23/2025 | 08:49:58 | -69.88,-136.28 | 111.32 | 03/23/2025 | 08:49:33 | -69.86,-136.32 | 111.34 | 2.78 | 25 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/11/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/11/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9