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: 10/12/2025
| 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 | 10/13/2025 | 07:34:50 | 70.08, 62.48 | 77.88 | 10/13/2025 | 07:35:45 | 70.08, 62.53 | 77.87 | 1.96 | 55 |
| 2 | 10/13/2025 | 08:25:31 | -69.93,-129.98 | 102.26 | 10/13/2025 | 08:25:15 | -69.96,-129.99 | 102.24 | 3.05 | 16 |
| 3 | 10/13/2025 | 09:16:02 | 69.14, 38.49 | 76.96 | 10/13/2025 | 09:14:54 | 69.20, 36.61 | 77.02 | 74.61 | 68 |
| 4 | 10/15/2025 | 23:51:40 | 70.01, 178.38 | 78.80 | 10/15/2025 | 23:52:15 | 70.01, 178.32 | 78.79 | 2.62 | 35 |
| 5 | 10/16/2025 | 00:42:22 | -69.92, -14.16 | 101.29 | 10/16/2025 | 00:41:45 | -69.90, -14.21 | 101.31 | 3.01 | 37 |
| 6 | 10/18/2025 | 15:17:58 | -70.68, 125.81 | 99.56 | 10/18/2025 | 15:19:07 | -70.62, 127.45 | 99.63 | 60.87 | 69 |
| 7 | 10/18/2025 | 16:08:31 | 70.00, -65.81 | 79.77 | 10/18/2025 | 16:08:43 | 70.02, -65.78 | 79.78 | 1.95 | 12 |
| 8 | 10/18/2025 | 16:59:13 | -69.91, 101.65 | 100.32 | 10/18/2025 | 16:58:13 | -69.91, 101.70 | 100.32 | 1.82 | 60 |
| 9 | 10/21/2025 | 07:34:37 | -70.11,-117.48 | 99.18 | 10/21/2025 | 07:35:43 | -70.11,-117.41 | 99.18 | 2.83 | 66 |
| 10 | 10/21/2025 | 08:25:20 | 69.95, 50.07 | 80.67 | 10/21/2025 | 08:25:11 | 69.94, 50.00 | 80.67 | 2.63 | 9 |
| 11 | 10/21/2025 | 09:15:57 | -69.59,-142.08 | 99.68 | 10/21/2025 | 09:14:45 | -69.62,-142.82 | 99.65 | 28.52 | 72 |
| 12 | 10/23/2025 | 23:51:27 | -70.06, -1.62 | 98.29 | 10/23/2025 | 23:52:11 | -70.06, -1.59 | 98.29 | 1.39 | 44 |
| 13 | 10/24/2025 | 00:42:11 | 69.96, 165.85 | 81.62 | 10/24/2025 | 00:41:38 | 69.95, 165.90 | 81.61 | 2.14 | 33 |
| 14 | 10/26/2025 | 15:17:49 | 70.86, -54.41 | 83.43 | 10/26/2025 | 15:18:56 | 70.80, -52.24 | 83.37 | 79.72 | 67 |
| 15 | 10/26/2025 | 16:08:17 | -70.03, 114.23 | 97.40 | 10/26/2025 | 16:08:38 | -70.04, 114.28 | 97.39 | 2.64 | 21 |
| 16 | 10/26/2025 | 16:59:01 | 69.92, -78.30 | 82.51 | 10/26/2025 | 16:58:05 | 69.93, -78.24 | 82.51 | 2.38 | 56 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/12/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/12/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8