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: 7/22/2025
| 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 | 07/22/2025 | 14:28:07 | -70.85, 137.87 | 129.24 | 07/22/2025 | 14:29:14 | -70.78, 140.10 | 129.41 | 81.86 | 67 |
| 2 | 07/22/2025 | 15:18:37 | 69.98, -53.44 | 49.85 | 07/22/2025 | 15:18:54 | 69.97, -53.45 | 49.83 | 0.98 | 17 |
| 3 | 07/22/2025 | 16:09:18 | -69.86, 114.06 | 130.28 | 07/22/2025 | 16:08:24 | -69.86, 114.03 | 130.27 | 1.15 | 54 |
| 4 | 07/25/2025 | 06:44:47 | -70.04,-105.06 | 129.54 | 07/25/2025 | 06:45:57 | -70.06,-105.09 | 129.53 | 2.72 | 70 |
| 5 | 07/25/2025 | 07:35:32 | 69.95, 62.37 | 50.38 | 07/25/2025 | 07:35:24 | 69.95, 62.40 | 50.38 | 1.36 | 8 |
| 6 | 07/25/2025 | 08:26:09 | -69.62,-129.81 | 129.97 | 07/25/2025 | 08:24:57 | -69.68,-130.34 | 129.87 | 21.43 | 72 |
| 7 | 07/27/2025 | 23:01:42 | -70.01, 10.75 | 128.97 | 07/27/2025 | 23:02:27 | -70.03, 10.75 | 128.96 | 2.04 | 45 |
| 8 | 07/27/2025 | 23:52:27 | 69.93, 178.18 | 50.96 | 07/27/2025 | 23:51:54 | 69.92, 178.24 | 50.95 | 2.81 | 33 |
| 9 | 07/30/2025 | 14:28:08 | 70.80, -42.05 | 52.50 | 07/30/2025 | 14:29:15 | 70.69, -40.03 | 52.30 | 75.22 | 67 |
| 10 | 07/30/2025 | 15:18:36 | -69.99, 126.56 | 128.36 | 07/30/2025 | 15:18:56 | -69.98, 126.57 | 128.37 | 0.80 | 20 |
| 11 | 07/30/2025 | 16:09:20 | 69.86, -65.94 | 51.52 | 07/30/2025 | 16:08:23 | 69.87, -65.95 | 51.54 | 1.02 | 57 |
| 12 | 08/02/2025 | 06:44:49 | 70.05, 74.91 | 52.38 | 08/02/2025 | 06:45:55 | 70.08, 74.95 | 52.39 | 2.93 | 66 |
| 13 | 08/02/2025 | 07:35:30 | -69.92,-117.56 | 127.76 | 08/02/2025 | 07:35:26 | -69.92,-117.63 | 127.75 | 2.75 | 4 |
| 14 | 08/02/2025 | 08:26:09 | 69.53, 50.32 | 51.85 | 08/02/2025 | 08:24:57 | 69.58, 49.55 | 51.94 | 30.67 | 72 |
| 15 | 08/04/2025 | 23:01:43 | 69.99,-169.22 | 53.02 | 08/04/2025 | 23:02:25 | 70.00,-169.28 | 53.02 | 2.34 | 42 |
| 16 | 08/04/2025 | 23:52:25 | -69.90, -1.77 | 127.07 | 08/04/2025 | 23:51:55 | -69.90, -1.78 | 127.07 | 0.88 | 30 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/22/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/22/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8