Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/6/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 10/07/2025 | 23:01:25 | 71.03,-170.62 | 76.82 | 10/07/2025 | 23:02:31 | 70.90,-167.99 | 76.68 | 96.35 | 66 |
| 2 | 10/07/2025 | 23:51:50 | -70.04, -1.71 | 104.18 | 10/07/2025 | 23:52:15 | -70.02, -1.66 | 104.19 | 2.28 | 25 |
| 3 | 10/08/2025 | 00:42:33 | 69.88, 165.83 | 75.68 | 10/08/2025 | 00:41:43 | 69.87, 165.76 | 75.67 | 2.96 | 50 |
| 4 | 10/10/2025 | 15:18:02 | 70.26, -53.58 | 77.05 | 10/10/2025 | 15:19:14 | 70.18, -53.19 | 76.97 | 16.83 | 72 |
| 5 | 10/10/2025 | 16:08:41 | -70.00, 114.13 | 103.20 | 10/10/2025 | 16:08:45 | -70.02, 114.21 | 103.18 | 3.46 | 4 |
| 6 | 10/10/2025 | 16:59:24 | 69.84, -78.32 | 76.66 | 10/10/2025 | 16:58:13 | 69.86, -78.37 | 76.67 | 2.32 | 71 |
| 7 | 10/13/2025 | 07:34:50 | 70.07, 62.50 | 77.87 | 10/13/2025 | 07:35:45 | 70.09, 62.55 | 77.88 | 2.41 | 55 |
| 8 | 10/13/2025 | 08:25:32 | -69.97,-130.03 | 102.22 | 10/13/2025 | 08:25:15 | -69.98,-129.97 | 102.22 | 2.63 | 17 |
| 9 | 10/13/2025 | 09:16:02 | 69.13, 38.50 | 76.95 | 10/13/2025 | 09:14:54 | 69.21, 36.63 | 77.03 | 74.67 | 68 |
| 10 | 10/15/2025 | 23:51:40 | 70.00, 178.40 | 78.79 | 10/15/2025 | 23:52:15 | 70.01, 178.33 | 78.80 | 2.76 | 35 |
| 11 | 10/16/2025 | 00:42:22 | -69.90, -14.14 | 101.30 | 10/16/2025 | 00:41:45 | -69.91, -14.18 | 101.30 | 1.96 | 37 |
| 12 | 10/18/2025 | 15:17:58 | -70.72, 125.74 | 99.52 | 10/18/2025 | 15:19:06 | -70.62, 127.46 | 99.63 | 64.10 | 68 |
| 13 | 10/18/2025 | 16:08:30 | 69.99, -65.80 | 79.76 | 10/18/2025 | 16:08:42 | 70.01, -65.78 | 79.78 | 2.29 | 12 |
| 14 | 10/18/2025 | 16:59:12 | -69.89, 101.67 | 100.33 | 10/18/2025 | 16:58:12 | -69.91, 101.71 | 100.32 | 2.57 | 60 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/6/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/06/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8