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: 7/28/2025
| 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 | 14:28:08 | 70.79, -42.03 | 52.49 | 07/30/2025 | 14:29:15 | 70.69, -40.04 | 52.30 | 74.12 | 67 |
| 2 | 07/30/2025 | 15:18:36 | -69.99, 126.57 | 128.36 | 07/30/2025 | 15:18:56 | -69.97, 126.55 | 128.38 | 1.49 | 20 |
| 3 | 07/30/2025 | 16:09:20 | 69.85, -65.92 | 51.51 | 07/30/2025 | 16:08:23 | 69.87, -65.95 | 51.53 | 2.17 | 57 |
| 4 | 08/02/2025 | 06:44:49 | 70.05, 74.93 | 52.37 | 08/02/2025 | 06:45:55 | 70.06, 74.93 | 52.37 | 1.52 | 66 |
| 5 | 08/02/2025 | 07:35:31 | -69.97,-117.64 | 127.70 | 08/02/2025 | 07:35:25 | -69.95,-117.59 | 127.72 | 2.81 | 6 |
| 6 | 08/02/2025 | 08:26:09 | 69.52, 50.33 | 51.84 | 08/02/2025 | 08:24:57 | 69.57, 49.52 | 51.92 | 31.85 | 72 |
| 7 | 08/04/2025 | 23:01:44 | 70.04,-169.29 | 53.07 | 08/04/2025 | 23:02:24 | 70.02,-169.24 | 53.04 | 3.21 | 40 |
| 8 | 08/04/2025 | 23:52:25 | -69.91, -1.77 | 127.06 | 08/04/2025 | 23:51:54 | -69.91, -1.76 | 127.06 | 0.75 | 31 |
| 9 | 08/07/2025 | 14:28:06 | -70.79, 137.99 | 125.41 | 08/07/2025 | 14:29:14 | -70.67, 139.96 | 125.61 | 73.58 | 68 |
| 10 | 08/07/2025 | 15:18:37 | 69.99, -53.44 | 53.75 | 08/07/2025 | 15:18:52 | 69.96, -53.44 | 53.72 | 3.48 | 15 |
| 11 | 08/07/2025 | 16:09:18 | -69.85, 114.09 | 126.38 | 08/07/2025 | 16:08:22 | -69.86, 114.05 | 126.37 | 1.46 | 56 |
| 12 | 08/10/2025 | 06:44:47 | -70.06,-105.07 | 125.42 | 08/10/2025 | 06:45:53 | -70.05,-105.06 | 125.44 | 0.81 | 66 |
| 13 | 08/10/2025 | 07:35:31 | 69.94, 62.41 | 54.47 | 08/10/2025 | 07:35:20 | 69.94, 62.42 | 54.47 | 0.91 | 11 |
| 14 | 08/10/2025 | 08:26:07 | -69.54,-129.67 | 125.95 | 08/10/2025 | 08:24:55 | -69.56,-130.46 | 125.88 | 30.95 | 72 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/28/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/28/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8