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: 7/18/2025
| 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 | 07/19/2025 | 23:01:42 | 70.01,-169.26 | 49.35 | 07/19/2025 | 23:02:23 | 70.03,-169.25 | 49.37 | 3.12 | 41 |
| 2 | 07/19/2025 | 23:52:24 | -69.94, -1.83 | 130.72 | 07/19/2025 | 23:51:53 | -69.92, -1.77 | 130.73 | 2.97 | 31 |
| 3 | 07/22/2025 | 14:28:07 | -70.84, 137.88 | 129.25 | 07/22/2025 | 14:29:15 | -70.74, 140.03 | 129.44 | 79.49 | 68 |
| 4 | 07/22/2025 | 15:18:37 | 69.97, -53.44 | 49.84 | 07/22/2025 | 15:18:54 | 69.98, -53.44 | 49.84 | 0.74 | 17 |
| 5 | 07/22/2025 | 16:09:18 | -69.85, 114.07 | 130.29 | 07/22/2025 | 16:08:24 | -69.87, 114.04 | 130.25 | 2.89 | 54 |
| 6 | 07/25/2025 | 06:44:48 | -70.08,-105.13 | 129.50 | 07/25/2025 | 06:45:57 | -70.08,-105.06 | 129.51 | 2.44 | 69 |
| 7 | 07/25/2025 | 07:35:32 | 69.95, 62.38 | 50.37 | 07/25/2025 | 07:35:24 | 69.97, 62.43 | 50.39 | 3.11 | 8 |
| 8 | 07/25/2025 | 08:26:10 | -69.66,-129.88 | 129.92 | 07/25/2025 | 08:24:57 | -69.70,-130.31 | 129.85 | 17.54 | 73 |
| 9 | 07/27/2025 | 23:01:41 | -70.00, 10.77 | 128.99 | 07/27/2025 | 23:02:27 | -70.00, 10.71 | 128.98 | 2.40 | 46 |
| 10 | 07/27/2025 | 23:52:26 | 69.92, 178.19 | 50.95 | 07/27/2025 | 23:51:54 | 69.89, 178.20 | 50.92 | 3.52 | 32 |
| 11 | 07/30/2025 | 14:28:08 | 70.79, -42.03 | 52.49 | 07/30/2025 | 14:29:16 | 70.67, -40.06 | 52.28 | 73.50 | 68 |
| 12 | 07/30/2025 | 15:18:36 | -69.97, 126.58 | 128.37 | 07/30/2025 | 15:18:57 | -69.97, 126.55 | 128.38 | 1.40 | 21 |
| 13 | 07/30/2025 | 16:09:20 | 69.85, -65.92 | 51.51 | 07/30/2025 | 16:08:24 | 69.85, -65.97 | 51.52 | 1.94 | 56 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/18/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/18/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8