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: 7/25/2025
| 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 | 07/25/2025 | 06:44:47 | -70.07,-105.12 | 129.50 | 07/25/2025 | 06:45:56 | -70.07,-105.07 | 129.52 | 1.81 | 69 |
| 2 | 07/25/2025 | 07:35:31 | 69.93, 62.40 | 50.36 | 07/25/2025 | 07:35:24 | 69.92, 62.35 | 50.35 | 2.54 | 7 |
| 3 | 07/25/2025 | 08:26:09 | -69.66,-129.87 | 129.93 | 07/25/2025 | 08:24:56 | -69.70,-130.32 | 129.86 | 18.08 | 73 |
| 4 | 07/27/2025 | 23:01:42 | -70.05, 10.69 | 128.93 | 07/27/2025 | 23:02:26 | -70.04, 10.76 | 128.95 | 2.84 | 44 |
| 5 | 07/27/2025 | 23:52:26 | 69.91, 178.21 | 50.94 | 07/27/2025 | 23:51:53 | 69.93, 178.26 | 50.96 | 3.06 | 33 |
| 6 | 07/30/2025 | 14:28:08 | 70.79, -42.02 | 52.49 | 07/30/2025 | 14:29:15 | 70.70, -40.02 | 52.31 | 74.07 | 67 |
| 7 | 07/30/2025 | 15:18:36 | -69.98, 126.58 | 128.37 | 07/30/2025 | 15:18:56 | -69.99, 126.57 | 128.37 | 1.14 | 20 |
| 8 | 07/30/2025 | 16:09:21 | 69.90, -66.00 | 51.56 | 07/30/2025 | 16:08:23 | 69.88, -65.94 | 51.54 | 3.20 | 58 |
| 9 | 08/02/2025 | 06:44:49 | 70.04, 74.94 | 52.36 | 08/02/2025 | 06:45:56 | 70.02, 74.87 | 52.33 | 3.54 | 67 |
| 10 | 08/02/2025 | 07:35:31 | -69.96,-117.62 | 127.72 | 08/02/2025 | 07:35:25 | -69.97,-117.57 | 127.71 | 2.35 | 6 |
| 11 | 08/02/2025 | 08:26:09 | 69.51, 50.34 | 51.83 | 08/02/2025 | 08:24:57 | 69.58, 49.54 | 51.94 | 32.06 | 72 |
| 12 | 08/04/2025 | 23:01:43 | 70.03,-169.28 | 53.06 | 08/04/2025 | 23:02:23 | 70.03,-169.22 | 53.05 | 2.12 | 40 |
| 13 | 08/04/2025 | 23:52:24 | -69.89, -1.75 | 127.08 | 08/04/2025 | 23:51:54 | -69.88, -1.81 | 127.09 | 2.84 | 30 |
| 14 | 08/07/2025 | 14:28:06 | -70.77, 138.02 | 125.43 | 08/07/2025 | 14:29:14 | -70.70, 139.99 | 125.59 | 73.07 | 68 |
| 15 | 08/07/2025 | 15:18:37 | 69.97, -53.42 | 53.74 | 08/07/2025 | 15:18:52 | 69.98, -53.41 | 53.74 | 0.39 | 15 |
| 16 | 08/07/2025 | 16:09:19 | -69.89, 114.04 | 126.35 | 08/07/2025 | 16:08:22 | -69.88, 114.08 | 126.35 | 2.01 | 57 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/25/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/25/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8