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: 9/7/2025
| 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 | 15:18:28 | 70.05, -53.43 | 64.54 | 09/08/2025 | 15:19:08 | 70.03, -53.38 | 64.52 | 2.62 | 40 |
| 2 | 09/08/2025 | 16:09:09 | -69.89, 114.12 | 115.61 | 09/08/2025 | 16:08:38 | -69.92, 114.09 | 115.59 | 2.76 | 31 |
| 3 | 09/11/2025 | 06:44:51 | -70.85,-106.24 | 113.64 | 09/11/2025 | 06:45:58 | -70.77,-104.05 | 113.76 | 80.35 | 67 |
| 4 | 09/11/2025 | 07:35:20 | 69.97, 62.47 | 65.47 | 09/11/2025 | 07:35:38 | 69.95, 62.40 | 65.45 | 3.17 | 18 |
| 5 | 09/11/2025 | 08:26:02 | -69.86,-130.05 | 114.63 | 09/11/2025 | 08:25:08 | -69.84,-130.12 | 114.65 | 3.37 | 54 |
| 6 | 09/13/2025 | 23:01:29 | -70.09, 10.75 | 113.40 | 09/13/2025 | 23:02:38 | -70.07, 10.80 | 113.43 | 3.11 | 69 |
| 7 | 09/13/2025 | 23:52:12 | 69.95, 178.28 | 66.47 | 09/13/2025 | 23:52:05 | 69.96, 178.29 | 66.48 | 1.75 | 7 |
| 8 | 09/14/2025 | 00:42:50 | -69.63, -13.92 | 113.85 | 09/14/2025 | 00:41:38 | -69.69, -14.45 | 113.78 | 21.64 | 72 |
| 9 | 09/16/2025 | 15:18:21 | -70.02, 126.64 | 112.45 | 09/16/2025 | 15:19:06 | -70.05, 126.67 | 112.42 | 3.39 | 45 |
| 10 | 09/16/2025 | 16:09:05 | 69.93, -65.91 | 67.48 | 09/16/2025 | 16:08:33 | 69.94, -65.85 | 67.49 | 2.68 | 32 |
| 11 | 09/19/2025 | 06:44:45 | 70.82, 73.85 | 69.39 | 09/19/2025 | 06:45:53 | 70.72, 75.89 | 69.26 | 75.75 | 68 |
| 12 | 09/19/2025 | 07:35:14 | -70.02,-117.56 | 111.42 | 09/19/2025 | 07:35:34 | -70.01,-117.51 | 111.43 | 2.24 | 20 |
| 13 | 09/19/2025 | 08:25:57 | 69.88, 49.96 | 68.45 | 09/19/2025 | 08:25:01 | 69.89, 49.98 | 68.47 | 1.99 | 56 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/7/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/07/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8