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: 7/10/2025
| 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 | 07/11/2025 | 23:01:39 | -69.99, 10.76 | 131.98 | 07/11/2025 | 23:02:21 | -70.01, 10.72 | 131.98 | 2.38 | 42 |
| 2 | 07/11/2025 | 23:52:24 | 69.91, 178.20 | 47.94 | 07/11/2025 | 23:51:48 | 69.90, 178.21 | 47.93 | 0.99 | 36 |
| 3 | 07/14/2025 | 14:28:05 | 70.70, -41.90 | 49.17 | 07/14/2025 | 14:29:13 | 70.60, -40.18 | 48.98 | 64.57 | 68 |
| 4 | 07/14/2025 | 15:18:35 | -70.00, 126.53 | 131.58 | 07/14/2025 | 15:18:52 | -70.00, 126.58 | 131.58 | 2.10 | 17 |
| 5 | 07/14/2025 | 16:09:19 | 69.86, -65.96 | 48.29 | 07/14/2025 | 16:08:19 | 69.89, -65.92 | 48.32 | 3.38 | 60 |
| 6 | 07/17/2025 | 06:44:47 | 70.03, 74.93 | 48.89 | 07/17/2025 | 06:45:53 | 70.03, 74.87 | 48.88 | 2.62 | 66 |
| 7 | 07/17/2025 | 07:35:29 | -69.95,-117.63 | 131.18 | 07/17/2025 | 07:35:23 | -69.92,-117.65 | 131.21 | 3.41 | 6 |
| 8 | 07/17/2025 | 08:26:06 | 69.45, 50.42 | 48.30 | 07/17/2025 | 08:24:55 | 69.54, 49.47 | 48.43 | 38.19 | 71 |
| 9 | 07/19/2025 | 23:01:42 | 69.99,-169.24 | 49.34 | 07/19/2025 | 23:02:24 | 69.99,-169.31 | 49.33 | 2.70 | 42 |
| 10 | 07/19/2025 | 23:52:24 | -69.91, -1.80 | 130.74 | 07/19/2025 | 23:51:54 | -69.89, -1.81 | 130.76 | 2.69 | 30 |
| 11 | 07/22/2025 | 14:28:08 | -70.87, 137.83 | 129.22 | 07/22/2025 | 14:29:15 | -70.77, 140.07 | 129.42 | 82.43 | 67 |
| 12 | 07/22/2025 | 15:18:38 | 70.01, -53.49 | 49.88 | 07/22/2025 | 15:18:54 | 69.99, -53.42 | 49.85 | 3.30 | 16 |
| 13 | 07/22/2025 | 16:09:19 | -69.88, 114.03 | 130.26 | 07/22/2025 | 16:08:24 | -69.90, 114.08 | 130.23 | 3.01 | 55 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/10/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/10/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8