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: 9/8/2025
| 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 | 09/08/2025 | 15:18:27 | 70.00, -53.36 | 64.49 | 09/08/2025 | 15:19:08 | 70.02, -53.39 | 64.51 | 3.08 | 41 |
| 2 | 09/08/2025 | 16:09:09 | -69.90, 114.11 | 115.60 | 09/08/2025 | 16:08:38 | -69.91, 114.08 | 115.59 | 1.51 | 31 |
| 3 | 09/11/2025 | 06:44:51 | -70.86,-106.25 | 113.63 | 09/11/2025 | 06:45:58 | -70.77,-104.06 | 113.77 | 80.61 | 67 |
| 4 | 09/11/2025 | 07:35:20 | 69.97, 62.47 | 65.47 | 09/11/2025 | 07:35:38 | 69.95, 62.39 | 65.45 | 3.32 | 18 |
| 5 | 09/11/2025 | 08:26:02 | -69.87,-130.06 | 114.63 | 09/11/2025 | 08:25:07 | -69.90,-130.05 | 114.60 | 3.35 | 55 |
| 6 | 09/13/2025 | 23:01:30 | -70.10, 10.75 | 113.40 | 09/13/2025 | 23:02:39 | -70.08, 10.81 | 113.43 | 3.22 | 69 |
| 7 | 09/13/2025 | 23:52:13 | 69.95, 178.28 | 66.47 | 09/13/2025 | 23:52:06 | 69.97, 178.30 | 66.49 | 2.38 | 7 |
| 8 | 09/14/2025 | 00:42:51 | -69.63, -13.93 | 113.85 | 09/14/2025 | 00:41:39 | -69.70, -14.44 | 113.77 | 21.32 | 72 |
| 9 | 09/16/2025 | 15:18:21 | -70.02, 126.64 | 112.45 | 09/16/2025 | 15:19:07 | -70.02, 126.61 | 112.46 | 1.53 | 46 |
| 10 | 09/16/2025 | 16:09:05 | 69.93, -65.91 | 67.48 | 09/16/2025 | 16:08:34 | 69.91, -65.90 | 67.45 | 3.20 | 31 |
| 11 | 09/19/2025 | 06:44:46 | 70.86, 73.77 | 69.44 | 09/19/2025 | 06:45:53 | 70.75, 75.94 | 69.29 | 80.34 | 67 |
| 12 | 09/19/2025 | 07:35:14 | -70.01,-117.56 | 111.43 | 09/19/2025 | 07:35:35 | -69.99,-117.54 | 111.46 | 3.02 | 21 |
| 13 | 09/19/2025 | 08:25:57 | 69.87, 49.97 | 68.45 | 09/19/2025 | 08:25:02 | 69.87, 49.94 | 68.45 | 0.91 | 55 |
| 14 | 09/21/2025 | 23:01:24 | 70.07,-169.18 | 69.66 | 09/21/2025 | 23:02:32 | 70.09,-169.14 | 69.67 | 2.23 | 68 |
| 15 | 09/21/2025 | 23:52:06 | -69.95, -1.68 | 110.45 | 09/21/2025 | 23:52:03 | -69.93, -1.73 | 110.47 | 3.19 | 3 |
| 16 | 09/22/2025 | 00:42:45 | 69.60, 166.15 | 69.21 | 09/22/2025 | 00:41:33 | 69.65, 165.52 | 69.27 | 24.59 | 72 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/8/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/08/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8