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: 4/13/2025
| 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 | 04/14/2025 | 23:50:48 | -70.06, -1.73 | 119.77 | 04/14/2025 | 23:51:32 | -70.06, -1.69 | 119.79 | 1.67 | 44 |
| 2 | 04/15/2025 | 00:41:32 | 69.93, 165.77 | 60.08 | 04/15/2025 | 00:40:59 | 69.95, 165.81 | 60.11 | 2.84 | 33 |
| 3 | 04/17/2025 | 15:17:14 | 70.62, -54.18 | 59.88 | 04/17/2025 | 15:18:23 | 70.49, -52.82 | 59.70 | 52.55 | 69 |
| 4 | 04/17/2025 | 16:07:46 | -70.01, 114.10 | 120.78 | 04/17/2025 | 16:08:00 | -69.99, 114.10 | 120.80 | 2.01 | 14 |
| 5 | 04/17/2025 | 16:58:30 | 69.88, -78.40 | 59.08 | 04/17/2025 | 16:57:27 | 69.88, -78.41 | 59.09 | 0.31 | 63 |
| 6 | 04/20/2025 | 07:34:02 | 70.06, 62.46 | 58.36 | 04/20/2025 | 07:34:57 | 70.04, 62.42 | 58.34 | 2.61 | 55 |
| 7 | 04/20/2025 | 08:24:44 | -69.97,-130.07 | 121.75 | 04/20/2025 | 08:24:26 | -69.99,-130.02 | 121.73 | 3.00 | 18 |
| 8 | 04/20/2025 | 09:15:14 | 69.10, 38.48 | 57.35 | 04/20/2025 | 09:14:06 | 69.16, 36.50 | 57.46 | 78.60 | 68 |
| 9 | 04/22/2025 | 23:51:00 | 70.04, 178.26 | 57.43 | 04/22/2025 | 23:51:22 | 70.05, 178.32 | 57.43 | 2.37 | 22 |
| 10 | 04/23/2025 | 00:41:42 | -69.94, -14.27 | 122.69 | 04/23/2025 | 00:40:52 | -69.94, -14.20 | 122.69 | 2.61 | 50 |
| 11 | 04/25/2025 | 15:17:12 | -70.07, 126.65 | 123.40 | 04/25/2025 | 15:18:20 | -70.06, 126.59 | 123.42 | 2.68 | 68 |
| 12 | 04/25/2025 | 16:07:56 | 69.97, -65.88 | 56.48 | 04/25/2025 | 16:07:47 | 69.95, -65.93 | 56.46 | 3.14 | 9 |
| 13 | 04/25/2025 | 16:58:33 | -69.60, 101.99 | 123.92 | 04/25/2025 | 16:57:21 | -69.62, 101.26 | 123.87 | 28.35 | 72 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/13/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/13/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8