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: 7/1/2025
| 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 | 07/01/2025 | 06:44:33 | 70.32, 74.54 | 47.24 | 07/01/2025 | 06:45:45 | 70.22, 75.13 | 47.10 | 25.30 | 72 |
| 2 | 07/01/2025 | 07:35:10 | -69.98,-117.62 | 133.12 | 07/01/2025 | 07:35:17 | -70.00,-117.55 | 133.12 | 2.92 | 7 |
| 3 | 07/01/2025 | 08:25:54 | 69.85, 49.89 | 46.74 | 07/01/2025 | 08:24:45 | 69.84, 49.87 | 46.74 | 1.16 | 69 |
| 4 | 07/03/2025 | 23:01:28 | 70.00,-169.22 | 47.11 | 07/03/2025 | 23:02:18 | 70.02,-169.27 | 47.12 | 2.71 | 50 |
| 5 | 07/03/2025 | 23:52:10 | -69.92, -1.78 | 132.97 | 07/03/2025 | 23:51:48 | -69.91, -1.79 | 132.98 | 1.54 | 22 |
| 6 | 07/04/2025 | 00:42:37 | 68.88, 167.02 | 45.95 | 07/04/2025 | 00:41:31 | 68.92, 164.53 | 46.09 | 99.58 | 66 |
| 7 | 07/06/2025 | 14:28:00 | -70.97, 137.67 | 131.60 | 07/06/2025 | 14:29:06 | -70.84, 140.19 | 131.83 | 92.77 | 66 |
| 8 | 07/06/2025 | 15:18:27 | 69.95, -53.39 | 47.32 | 07/06/2025 | 15:18:47 | 69.97, -53.45 | 47.34 | 3.45 | 20 |
| 9 | 07/06/2025 | 16:09:09 | -69.87, 114.05 | 132.76 | 07/06/2025 | 16:08:17 | -69.87, 114.03 | 132.76 | 0.79 | 52 |
| 10 | 07/09/2025 | 06:44:43 | -70.04,-105.07 | 132.29 | 07/09/2025 | 06:45:50 | -70.02,-105.14 | 132.31 | 2.95 | 67 |
| 11 | 07/09/2025 | 07:35:28 | 69.96, 62.36 | 47.63 | 07/09/2025 | 07:35:16 | 69.96, 62.42 | 47.64 | 2.77 | 12 |
| 12 | 07/09/2025 | 08:26:03 | -69.51,-129.66 | 132.84 | 07/09/2025 | 08:24:51 | -69.59,-130.46 | 132.72 | 32.57 | 72 |
| 13 | 07/11/2025 | 23:01:43 | -69.99, 10.75 | 131.98 | 07/11/2025 | 23:02:19 | -70.00, 10.72 | 131.98 | 1.63 | 36 |
| 14 | 07/11/2025 | 23:52:28 | 69.91, 178.17 | 47.94 | 07/11/2025 | 23:51:46 | 69.89, 178.20 | 47.92 | 3.06 | 42 |
| 15 | 07/14/2025 | 14:28:05 | 70.25, -41.21 | 48.68 | 07/14/2025 | 14:29:16 | 70.18, -40.78 | 48.58 | 18.08 | 71 |
| 16 | 07/14/2025 | 15:18:43 | -69.95, 126.56 | 131.63 | 07/14/2025 | 15:18:48 | -69.97, 126.56 | 131.61 | 1.84 | 5 |
| 17 | 07/14/2025 | 16:09:27 | 69.82, -65.94 | 48.24 | 07/14/2025 | 16:08:15 | 69.85, -65.96 | 48.28 | 3.25 | 72 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/1/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/01/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8