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: 3/4/2025
| 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 | 03/04/2025 | 15:42:45 | 70.03, -59.69 | 76.24 | 03/04/2025 | 15:43:48 | 70.04, -59.62 | 76.24 | 3.01 | 63 |
| 2 | 03/04/2025 | 16:33:26 | -69.91, 107.81 | 103.90 | 03/04/2025 | 16:33:18 | -69.93, 107.86 | 103.89 | 2.66 | 8 |
| 3 | 03/04/2025 | 17:24:03 | 69.40, -84.14 | 75.55 | 03/04/2025 | 17:22:52 | 69.44, -85.17 | 75.64 | 40.36 | 71 |
| 4 | 03/07/2025 | 07:59:37 | 70.00, 56.14 | 75.16 | 03/07/2025 | 08:00:18 | 69.99, 56.19 | 75.15 | 2.09 | 41 |
| 5 | 03/07/2025 | 08:50:18 | -69.88,-136.36 | 104.98 | 03/07/2025 | 08:49:48 | -69.88,-136.33 | 104.97 | 1.38 | 30 |
| 6 | 03/09/2025 | 23:26:00 | -70.90, 3.19 | 104.93 | 03/09/2025 | 23:27:07 | -70.78, 5.58 | 105.15 | 88.36 | 67 |
| 7 | 03/10/2025 | 00:16:29 | 69.98, 171.95 | 74.09 | 03/10/2025 | 00:16:47 | 69.96, 172.03 | 74.06 | 3.41 | 18 |
| 8 | 03/10/2025 | 01:07:10 | -69.86, -20.55 | 106.06 | 03/10/2025 | 01:06:17 | -69.85, -20.49 | 106.05 | 2.20 | 53 |
| 9 | 03/12/2025 | 15:42:36 | -70.10, 120.25 | 106.83 | 03/12/2025 | 15:43:47 | -70.06, 120.40 | 106.89 | 7.58 | 71 |
| 10 | 03/12/2025 | 16:33:19 | 69.92, -72.17 | 72.97 | 03/12/2025 | 16:33:15 | 69.89, -72.19 | 72.94 | 3.18 | 4 |
| 11 | 03/12/2025 | 17:23:59 | -69.74, 95.41 | 107.24 | 03/12/2025 | 17:22:45 | -69.79, 95.30 | 107.18 | 6.57 | 74 |
| 12 | 03/15/2025 | 07:59:26 | -70.00,-123.81 | 108.01 | 03/15/2025 | 08:00:15 | -70.01,-123.79 | 108.01 | 1.27 | 49 |
| 13 | 03/15/2025 | 08:50:10 | 69.87, 43.69 | 71.85 | 03/15/2025 | 08:49:42 | 69.89, 43.69 | 71.88 | 2.49 | 28 |
| 14 | 03/15/2025 | 09:40:34 | -68.84,-147.52 | 109.24 | 03/15/2025 | 09:39:28 | -68.90,-149.98 | 109.07 | 98.78 | 66 |
| 15 | 03/17/2025 | 23:25:52 | 70.92,-176.82 | 71.93 | 03/17/2025 | 23:26:58 | 70.84,-174.31 | 71.74 | 91.82 | 66 |
| 16 | 03/18/2025 | 00:16:17 | -69.95, -7.96 | 109.12 | 03/18/2025 | 00:16:42 | -69.97, -7.95 | 109.11 | 1.60 | 25 |
| 17 | 03/18/2025 | 01:07:01 | 69.83, 159.54 | 70.74 | 03/18/2025 | 01:06:09 | 69.85, 159.53 | 70.77 | 2.46 | 52 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/4/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/04/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9