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: 9/9/2025
| 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 | 09/11/2025 | 06:44:51 | -70.87,-106.27 | 113.61 | 09/11/2025 | 06:45:58 | -70.75,-104.08 | 113.78 | 81.23 | 67 |
| 2 | 09/11/2025 | 07:35:20 | 69.99, 62.44 | 65.49 | 09/11/2025 | 07:35:37 | 70.00, 62.45 | 65.49 | 1.45 | 17 |
| 3 | 09/11/2025 | 08:26:02 | -69.88,-130.08 | 114.61 | 09/11/2025 | 08:25:07 | -69.88,-130.07 | 114.61 | 0.49 | 55 |
| 4 | 09/13/2025 | 23:01:29 | -70.06, 10.81 | 113.44 | 09/13/2025 | 23:02:39 | -70.08, 10.80 | 113.43 | 1.98 | 70 |
| 5 | 09/13/2025 | 23:52:13 | 69.96, 178.26 | 66.48 | 09/13/2025 | 23:52:06 | 69.97, 178.30 | 66.49 | 1.80 | 7 |
| 6 | 09/14/2025 | 00:42:51 | -69.64, -13.95 | 113.84 | 09/14/2025 | 00:41:39 | -69.69, -14.45 | 113.77 | 20.20 | 72 |
| 7 | 09/16/2025 | 15:18:22 | -70.03, 126.63 | 112.44 | 09/16/2025 | 15:19:08 | -70.03, 126.63 | 112.44 | 0.25 | 46 |
| 8 | 09/16/2025 | 16:09:06 | 69.94, -65.92 | 67.49 | 09/16/2025 | 16:08:35 | 69.93, -65.88 | 67.47 | 2.61 | 31 |
| 9 | 09/19/2025 | 06:44:46 | 70.87, 73.77 | 69.45 | 09/19/2025 | 06:45:53 | 70.79, 76.00 | 69.33 | 82.10 | 67 |
| 10 | 09/19/2025 | 07:35:14 | -70.02,-117.56 | 111.42 | 09/19/2025 | 07:35:35 | -70.03,-117.49 | 111.41 | 3.17 | 21 |
| 11 | 09/19/2025 | 08:25:57 | 69.87, 49.96 | 68.45 | 09/19/2025 | 08:25:03 | 69.86, 49.92 | 68.44 | 2.00 | 54 |
| 12 | 09/21/2025 | 23:01:24 | 70.07,-169.18 | 69.66 | 09/21/2025 | 23:02:34 | 70.05,-169.20 | 69.64 | 1.80 | 70 |
| 13 | 09/21/2025 | 23:52:06 | -69.95, -1.68 | 110.45 | 09/21/2025 | 23:52:04 | -69.95, -1.71 | 110.45 | 1.13 | 2 |
| 14 | 09/22/2025 | 00:42:46 | 69.65, 166.07 | 69.26 | 09/22/2025 | 00:41:33 | 69.72, 165.62 | 69.34 | 19.20 | 73 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/9/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/09/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8