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: 3/9/2025
| 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 | 03/09/2025 | 23:25:59 | -70.88, 3.22 | 104.95 | 03/09/2025 | 23:27:06 | -70.80, 5.61 | 105.13 | 87.49 | 67 |
| 2 | 03/10/2025 | 00:16:28 | 69.95, 171.99 | 74.06 | 03/10/2025 | 00:16:47 | 69.93, 171.98 | 74.04 | 2.13 | 19 |
| 3 | 03/10/2025 | 01:07:09 | -69.84, -20.51 | 106.08 | 03/10/2025 | 01:06:17 | -69.82, -20.54 | 106.09 | 2.11 | 52 |
| 4 | 03/12/2025 | 15:42:36 | -70.08, 120.28 | 106.86 | 03/12/2025 | 15:43:47 | -70.08, 120.43 | 106.87 | 5.55 | 71 |
| 5 | 03/12/2025 | 16:33:20 | 69.94, -72.20 | 72.99 | 03/12/2025 | 16:33:15 | 69.92, -72.15 | 72.97 | 2.97 | 5 |
| 6 | 03/12/2025 | 17:23:59 | -69.72, 95.45 | 107.26 | 03/12/2025 | 17:22:46 | -69.75, 95.25 | 107.21 | 8.70 | 73 |
| 7 | 03/15/2025 | 07:59:26 | -69.97,-123.76 | 108.04 | 03/15/2025 | 08:00:16 | -69.98,-123.83 | 108.03 | 2.94 | 50 |
| 8 | 03/15/2025 | 08:50:11 | 69.88, 43.66 | 71.87 | 03/15/2025 | 08:49:43 | 69.87, 43.66 | 71.85 | 1.91 | 28 |
| 9 | 03/15/2025 | 09:40:35 | -68.86,-147.56 | 109.22 | 03/15/2025 | 09:39:29 | -68.88,-150.02 | 109.10 | 98.77 | 66 |
| 10 | 03/17/2025 | 23:25:53 | 70.93,-176.84 | 71.94 | 03/17/2025 | 23:26:59 | 70.82,-174.34 | 71.73 | 91.89 | 66 |
| 11 | 03/18/2025 | 00:16:17 | -69.97, -7.98 | 109.10 | 03/18/2025 | 00:16:42 | -69.95, -7.99 | 109.13 | 2.45 | 25 |
| 12 | 03/18/2025 | 01:07:01 | 69.84, 159.52 | 70.76 | 03/18/2025 | 01:06:09 | 69.83, 159.50 | 70.76 | 0.98 | 52 |
| 13 | 03/20/2025 | 15:42:27 | 70.06, -59.65 | 69.95 | 03/20/2025 | 15:43:38 | 70.04, -59.60 | 69.91 | 2.70 | 71 |
| 14 | 03/20/2025 | 16:33:08 | -69.93, 107.86 | 110.20 | 03/20/2025 | 16:33:08 | -69.93, 107.88 | 110.20 | 0.95 | 0 |
| 15 | 03/20/2025 | 17:23:49 | 69.64, -84.41 | 69.49 | 03/20/2025 | 17:22:37 | 69.71, -84.79 | 69.57 | 16.29 | 72 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/9/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/09/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9