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: 8/14/2025
| 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 | 08/15/2025 | 15:18:35 | -70.02, 126.54 | 123.84 | 08/15/2025 | 15:19:05 | -69.99, 126.56 | 123.87 | 3.27 | 30 |
| 2 | 08/15/2025 | 16:09:19 | 69.90, -65.96 | 56.04 | 08/15/2025 | 16:08:32 | 69.89, -65.94 | 56.04 | 1.10 | 47 |
| 3 | 08/18/2025 | 06:44:51 | 70.28, 74.60 | 57.28 | 08/18/2025 | 06:46:03 | 70.19, 75.09 | 57.16 | 20.95 | 72 |
| 4 | 08/18/2025 | 07:35:29 | -69.98,-117.63 | 123.03 | 08/18/2025 | 07:35:35 | -69.97,-117.59 | 123.04 | 1.87 | 6 |
| 5 | 08/18/2025 | 08:26:13 | 69.86, 49.86 | 56.86 | 08/18/2025 | 08:25:02 | 69.87, 49.91 | 56.87 | 1.78 | 71 |
| 6 | 08/20/2025 | 23:01:41 | 70.04,-169.25 | 57.90 | 08/20/2025 | 23:02:35 | 70.04,-169.24 | 57.89 | 0.48 | 54 |
| 7 | 08/20/2025 | 23:52:23 | -69.95, -1.80 | 122.19 | 08/20/2025 | 23:52:05 | -69.93, -1.76 | 122.21 | 2.30 | 18 |
| 8 | 08/21/2025 | 00:42:52 | 69.04, 166.83 | 56.88 | 08/21/2025 | 00:41:45 | 69.11, 164.77 | 57.02 | 82.13 | 67 |
| 9 | 08/23/2025 | 15:18:34 | 69.97, -53.36 | 58.72 | 08/23/2025 | 15:19:05 | 69.98, -53.44 | 58.73 | 3.54 | 31 |
| 10 | 08/23/2025 | 16:09:16 | -69.87, 114.10 | 121.38 | 08/23/2025 | 16:08:35 | -69.88, 114.05 | 121.36 | 2.35 | 41 |
| 11 | 08/26/2025 | 06:44:51 | -70.47,-105.68 | 119.86 | 08/26/2025 | 06:46:01 | -70.35,-104.67 | 120.01 | 39.73 | 70 |
| 12 | 08/26/2025 | 07:35:27 | 69.95, 62.44 | 59.62 | 08/26/2025 | 07:35:33 | 69.96, 62.42 | 59.63 | 1.99 | 6 |
| 13 | 08/26/2025 | 08:26:09 | -69.85,-130.09 | 120.48 | 08/26/2025 | 08:25:03 | -69.86,-130.09 | 120.46 | 1.81 | 66 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/14/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/14/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8