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: 4/11/2025
| 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 | 04/12/2025 | 07:33:52 | -70.20,-117.71 | 118.66 | 04/12/2025 | 07:35:03 | -70.17,-117.42 | 118.71 | 11.73 | 71 |
| 2 | 04/12/2025 | 08:24:34 | 69.97, 49.96 | 61.09 | 04/12/2025 | 08:24:32 | 69.95, 49.93 | 61.08 | 1.80 | 2 |
| 3 | 04/12/2025 | 09:15:15 | -69.83,-142.52 | 119.07 | 04/12/2025 | 09:14:02 | -69.84,-142.60 | 119.05 | 2.96 | 73 |
| 4 | 04/14/2025 | 23:50:48 | -70.03, -1.69 | 119.80 | 04/14/2025 | 23:51:33 | -70.04, -1.71 | 119.80 | 1.41 | 45 |
| 5 | 04/15/2025 | 00:41:33 | 69.96, 165.73 | 60.11 | 04/15/2025 | 00:41:00 | 69.94, 165.78 | 60.09 | 3.31 | 33 |
| 6 | 04/17/2025 | 15:17:14 | 70.60, -54.14 | 59.85 | 04/17/2025 | 15:18:24 | 70.48, -52.82 | 59.70 | 50.30 | 70 |
| 7 | 04/17/2025 | 16:07:46 | -69.98, 114.15 | 120.81 | 04/17/2025 | 16:08:01 | -69.99, 114.10 | 120.80 | 2.24 | 15 |
| 8 | 04/17/2025 | 16:58:30 | 69.86, -78.37 | 59.06 | 04/17/2025 | 16:57:28 | 69.88, -78.41 | 59.09 | 2.95 | 62 |
| 9 | 04/20/2025 | 07:34:02 | 70.09, 62.42 | 58.39 | 04/20/2025 | 07:34:57 | 70.06, 62.45 | 58.36 | 3.31 | 55 |
| 10 | 04/20/2025 | 08:24:43 | -69.94,-130.03 | 121.78 | 04/20/2025 | 08:24:27 | -69.95,-130.07 | 121.77 | 2.06 | 16 |
| 11 | 04/20/2025 | 09:15:14 | 69.13, 38.44 | 57.38 | 04/20/2025 | 09:14:06 | 69.18, 36.53 | 57.48 | 75.88 | 68 |
| 12 | 04/22/2025 | 23:50:59 | 70.01, 178.29 | 57.41 | 04/22/2025 | 23:51:23 | 70.04, 178.30 | 57.43 | 2.63 | 24 |
| 13 | 04/23/2025 | 00:41:41 | -69.91, -14.23 | 122.72 | 04/23/2025 | 00:40:53 | -69.93, -14.21 | 122.69 | 2.37 | 48 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/11/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/11/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8