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: 10/5/2025
| 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 | 10/05/2025 | 07:34:59 | -70.03,-117.49 | 105.21 | 10/05/2025 | 07:35:45 | -70.06,-117.49 | 105.19 | 3.38 | 46 |
| 2 | 10/05/2025 | 08:25:43 | 69.92, 49.98 | 74.70 | 10/05/2025 | 08:25:13 | 69.90, 49.94 | 74.68 | 2.91 | 30 |
| 3 | 10/07/2025 | 23:01:25 | 71.03,-170.63 | 76.82 | 10/07/2025 | 23:02:31 | 70.90,-168.00 | 76.68 | 96.42 | 66 |
| 4 | 10/07/2025 | 23:51:50 | -70.04, -1.71 | 104.18 | 10/07/2025 | 23:52:15 | -70.03, -1.66 | 104.19 | 2.28 | 25 |
| 5 | 10/08/2025 | 00:42:33 | 69.88, 165.83 | 75.68 | 10/08/2025 | 00:41:43 | 69.87, 165.76 | 75.66 | 3.21 | 50 |
| 6 | 10/10/2025 | 15:18:02 | 70.26, -53.58 | 77.05 | 10/10/2025 | 15:19:14 | 70.17, -53.21 | 76.96 | 17.42 | 72 |
| 7 | 10/10/2025 | 16:08:41 | -70.00, 114.13 | 103.20 | 10/10/2025 | 16:08:45 | -70.01, 114.19 | 103.20 | 2.48 | 4 |
| 8 | 10/10/2025 | 16:59:24 | 69.85, -78.33 | 76.66 | 10/10/2025 | 16:58:13 | 69.84, -78.39 | 76.66 | 2.43 | 71 |
| 9 | 10/13/2025 | 07:34:50 | 70.08, 62.49 | 77.88 | 10/13/2025 | 07:35:45 | 70.05, 62.51 | 77.85 | 2.95 | 55 |
| 10 | 10/13/2025 | 08:25:31 | -69.92,-129.96 | 102.27 | 10/13/2025 | 08:25:15 | -69.95,-130.01 | 102.25 | 3.24 | 16 |
| 11 | 10/13/2025 | 09:16:02 | 69.13, 38.50 | 76.96 | 10/13/2025 | 09:14:54 | 69.17, 36.59 | 76.99 | 75.55 | 68 |
| 12 | 10/15/2025 | 23:51:40 | 70.01, 178.38 | 78.80 | 10/15/2025 | 23:52:14 | 70.01, 178.33 | 78.79 | 2.09 | 34 |
| 13 | 10/16/2025 | 00:42:22 | -69.91, -14.15 | 101.29 | 10/16/2025 | 00:41:44 | -69.91, -14.18 | 101.30 | 1.41 | 38 |
| 14 | 10/18/2025 | 15:17:56 | -70.63, 125.89 | 99.61 | 10/18/2025 | 15:19:06 | -70.53, 127.33 | 99.72 | 54.40 | 70 |
| 15 | 10/18/2025 | 16:08:30 | 70.01, -65.82 | 79.78 | 10/18/2025 | 16:08:40 | 70.03, -65.75 | 79.80 | 3.67 | 10 |
| 16 | 10/18/2025 | 16:59:11 | -69.86, 101.73 | 100.37 | 10/18/2025 | 16:58:11 | -69.88, 101.67 | 100.35 | 3.41 | 60 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/5/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/05/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8