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: 7/30/2025
| 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 | 07/30/2025 | 14:28:07 | 70.75, -41.96 | 52.44 | 07/30/2025 | 14:29:15 | 70.68, -40.05 | 52.29 | 70.45 | 68 |
| 2 | 07/30/2025 | 15:18:36 | -69.99, 126.55 | 128.35 | 07/30/2025 | 15:18:55 | -70.02, 126.61 | 128.34 | 3.25 | 19 |
| 3 | 07/30/2025 | 16:09:20 | 69.86, -65.94 | 51.52 | 07/30/2025 | 16:08:23 | 69.86, -65.96 | 51.53 | 1.09 | 57 |
| 4 | 08/02/2025 | 06:44:49 | 70.05, 74.92 | 52.38 | 08/02/2025 | 06:45:55 | 70.05, 74.91 | 52.36 | 0.55 | 66 |
| 5 | 08/02/2025 | 07:35:30 | -69.93,-117.57 | 127.75 | 08/02/2025 | 07:35:25 | -69.94,-117.61 | 127.74 | 1.76 | 5 |
| 6 | 08/02/2025 | 08:26:08 | 69.48, 50.40 | 51.79 | 08/02/2025 | 08:24:57 | 69.56, 49.51 | 51.91 | 35.72 | 71 |
| 7 | 08/04/2025 | 23:01:43 | 70.00,-169.22 | 53.03 | 08/04/2025 | 23:02:24 | 70.01,-169.26 | 53.03 | 1.70 | 41 |
| 8 | 08/04/2025 | 23:52:25 | -69.92, -1.79 | 127.05 | 08/04/2025 | 23:51:54 | -69.90, -1.78 | 127.07 | 2.26 | 31 |
| 9 | 08/07/2025 | 14:28:06 | -70.80, 137.97 | 125.40 | 08/07/2025 | 14:29:14 | -70.66, 139.94 | 125.63 | 74.03 | 68 |
| 10 | 08/07/2025 | 15:18:37 | 70.00, -53.45 | 53.76 | 08/07/2025 | 15:18:51 | 70.00, -53.38 | 53.76 | 2.82 | 14 |
| 11 | 08/07/2025 | 16:09:18 | -69.86, 114.07 | 126.37 | 08/07/2025 | 16:08:22 | -69.84, 114.03 | 126.39 | 2.82 | 56 |
| 12 | 08/10/2025 | 06:44:46 | -70.02,-105.01 | 125.46 | 08/10/2025 | 06:45:53 | -70.04,-105.08 | 125.45 | 3.48 | 67 |
| 13 | 08/10/2025 | 07:35:31 | 69.95, 62.39 | 54.48 | 08/10/2025 | 07:35:20 | 69.92, 62.40 | 54.45 | 3.33 | 11 |
| 14 | 08/10/2025 | 08:26:06 | -69.50,-129.61 | 125.99 | 08/10/2025 | 08:24:55 | -69.55,-130.48 | 125.90 | 34.39 | 71 |
| 15 | 08/12/2025 | 23:01:41 | -70.03, 10.75 | 124.66 | 08/12/2025 | 23:02:21 | -70.00, 10.76 | 124.69 | 2.81 | 40 |
| 16 | 08/12/2025 | 23:52:25 | 69.91, 178.23 | 55.24 | 08/12/2025 | 23:51:48 | 69.88, 178.24 | 55.21 | 3.39 | 37 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/30/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/30/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8