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: 9/5/2025
| 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 | 09/05/2025 | 23:01:35 | 70.05,-169.22 | 63.55 | 09/05/2025 | 23:02:39 | 70.05,-169.23 | 63.54 | 0.52 | 64 |
| 2 | 09/05/2025 | 23:52:17 | -69.95, -1.76 | 116.55 | 09/05/2025 | 23:52:09 | -69.94, -1.76 | 116.57 | 2.13 | 8 |
| 3 | 09/06/2025 | 00:42:53 | 69.42, 166.34 | 62.92 | 09/06/2025 | 00:41:42 | 69.50, 165.29 | 63.03 | 41.80 | 71 |
| 4 | 09/08/2025 | 15:18:27 | 70.02, -53.39 | 64.51 | 09/08/2025 | 15:19:08 | 70.00, -53.42 | 64.49 | 2.08 | 41 |
| 5 | 09/08/2025 | 16:09:09 | -69.92, 114.08 | 115.59 | 09/08/2025 | 16:08:38 | -69.89, 114.06 | 115.61 | 2.96 | 31 |
| 6 | 09/11/2025 | 06:44:51 | -70.87,-106.28 | 113.61 | 09/11/2025 | 06:45:58 | -70.74,-104.10 | 113.79 | 81.06 | 67 |
| 7 | 09/11/2025 | 07:35:20 | 69.99, 62.43 | 65.49 | 09/11/2025 | 07:35:37 | 69.98, 62.43 | 65.48 | 1.36 | 17 |
| 8 | 09/11/2025 | 08:26:02 | -69.88,-130.09 | 114.61 | 09/11/2025 | 08:25:07 | -69.87,-130.09 | 114.62 | 1.62 | 55 |
| 9 | 09/13/2025 | 23:01:29 | -70.06, 10.80 | 113.43 | 09/13/2025 | 23:02:38 | -70.09, 10.83 | 113.41 | 3.14 | 69 |
| 10 | 09/13/2025 | 23:52:13 | 69.97, 178.25 | 66.49 | 09/13/2025 | 23:52:05 | 69.98, 178.32 | 66.50 | 2.95 | 8 |
| 11 | 09/14/2025 | 00:42:51 | -69.65, -13.96 | 113.83 | 09/14/2025 | 00:41:38 | -69.71, -14.42 | 113.76 | 19.16 | 73 |
| 12 | 09/16/2025 | 15:18:21 | -70.00, 126.68 | 112.47 | 09/16/2025 | 15:19:07 | -70.01, 126.60 | 112.47 | 3.32 | 46 |
| 13 | 09/16/2025 | 16:09:05 | 69.91, -65.87 | 67.45 | 09/16/2025 | 16:08:34 | 69.90, -65.91 | 67.44 | 2.00 | 31 |
| 14 | 09/19/2025 | 06:44:45 | 70.84, 73.81 | 69.42 | 09/19/2025 | 06:45:52 | 70.71, 75.89 | 69.25 | 77.77 | 67 |
| 15 | 09/19/2025 | 07:35:13 | -69.99,-117.52 | 111.45 | 09/19/2025 | 07:35:33 | -70.01,-117.51 | 111.44 | 1.94 | 20 |
| 16 | 09/19/2025 | 08:25:57 | 69.90, 49.92 | 68.48 | 09/19/2025 | 08:25:00 | 69.89, 49.97 | 68.47 | 2.68 | 57 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/5/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/05/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8