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: 8/17/2025
| 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 | 08/18/2025 | 06:44:51 | 70.28, 74.59 | 57.28 | 08/18/2025 | 06:46:03 | 70.19, 75.08 | 57.15 | 21.42 | 72 |
| 2 | 08/18/2025 | 07:35:29 | -69.99,-117.64 | 123.02 | 08/18/2025 | 07:35:35 | -69.96,-117.60 | 123.05 | 3.25 | 6 |
| 3 | 08/18/2025 | 08:26:13 | 69.87, 49.86 | 56.87 | 08/18/2025 | 08:25:02 | 69.86, 49.90 | 56.86 | 1.86 | 71 |
| 4 | 08/20/2025 | 23:01:41 | 70.05,-169.26 | 57.90 | 08/20/2025 | 23:02:35 | 70.04,-169.25 | 57.89 | 1.02 | 54 |
| 5 | 08/20/2025 | 23:52:22 | -69.90, -1.73 | 122.24 | 08/20/2025 | 23:52:05 | -69.93, -1.77 | 122.21 | 3.06 | 17 |
| 6 | 08/21/2025 | 00:42:52 | 69.04, 166.82 | 56.88 | 08/21/2025 | 00:41:45 | 69.10, 164.76 | 57.02 | 82.09 | 67 |
| 7 | 08/23/2025 | 15:18:34 | 69.97, -53.37 | 58.72 | 08/23/2025 | 15:19:05 | 69.98, -53.44 | 58.73 | 3.25 | 31 |
| 8 | 08/23/2025 | 16:09:16 | -69.87, 114.09 | 121.37 | 08/23/2025 | 16:08:35 | -69.87, 114.04 | 121.37 | 2.02 | 41 |
| 9 | 08/26/2025 | 06:44:50 | -70.42,-105.60 | 119.91 | 08/26/2025 | 06:46:01 | -70.35,-104.67 | 120.01 | 35.48 | 71 |
| 10 | 08/26/2025 | 07:35:27 | 69.95, 62.44 | 59.62 | 08/26/2025 | 07:35:33 | 69.97, 62.42 | 59.63 | 1.93 | 6 |
| 11 | 08/26/2025 | 08:26:09 | -69.85,-130.09 | 120.48 | 08/26/2025 | 08:25:03 | -69.86,-130.09 | 120.46 | 1.27 | 66 |
| 12 | 08/28/2025 | 23:01:37 | -70.03, 10.78 | 119.37 | 08/28/2025 | 23:02:35 | -70.05, 10.78 | 119.37 | 1.51 | 58 |
| 13 | 08/28/2025 | 23:52:21 | 69.94, 178.24 | 60.54 | 08/28/2025 | 23:52:02 | 69.93, 178.26 | 60.54 | 0.83 | 19 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/17/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/17/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8