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: 8/20/2025
| 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 | 08/20/2025 | 23:01:41 | 70.05,-169.27 | 57.91 | 08/20/2025 | 23:02:35 | 70.03,-169.25 | 57.88 | 1.90 | 54 |
| 2 | 08/20/2025 | 23:52:22 | -69.91, -1.74 | 122.23 | 08/20/2025 | 23:52:05 | -69.92, -1.78 | 122.22 | 1.73 | 17 |
| 3 | 08/21/2025 | 00:42:52 | 69.05, 166.82 | 56.89 | 08/21/2025 | 00:41:45 | 69.10, 164.76 | 57.01 | 82.02 | 67 |
| 4 | 08/23/2025 | 15:18:34 | 69.97, -53.37 | 58.72 | 08/23/2025 | 15:19:05 | 69.98, -53.45 | 58.72 | 3.02 | 31 |
| 5 | 08/23/2025 | 16:09:16 | -69.88, 114.08 | 121.36 | 08/23/2025 | 16:08:35 | -69.87, 114.03 | 121.38 | 2.89 | 41 |
| 6 | 08/26/2025 | 06:44:50 | -70.43,-105.61 | 119.90 | 08/26/2025 | 06:46:01 | -70.34,-104.69 | 120.02 | 35.85 | 71 |
| 7 | 08/26/2025 | 07:35:27 | 69.95, 62.44 | 59.62 | 08/26/2025 | 07:35:33 | 69.96, 62.41 | 59.63 | 1.20 | 6 |
| 8 | 08/26/2025 | 08:26:09 | -69.86,-130.10 | 120.47 | 08/26/2025 | 08:25:03 | -69.85,-130.11 | 120.47 | 0.82 | 66 |
| 9 | 08/28/2025 | 23:01:37 | -70.04, 10.77 | 119.37 | 08/28/2025 | 23:02:35 | -70.04, 10.76 | 119.38 | 0.74 | 58 |
| 10 | 08/28/2025 | 23:52:21 | 69.94, 178.24 | 60.54 | 08/28/2025 | 23:52:02 | 69.93, 178.25 | 60.53 | 1.39 | 19 |
| 11 | 08/29/2025 | 00:42:51 | -69.20, -13.37 | 120.21 | 08/29/2025 | 00:41:42 | -69.27, -15.01 | 120.09 | 64.89 | 69 |
| 12 | 08/31/2025 | 15:18:30 | -69.97, 126.65 | 118.48 | 08/31/2025 | 15:19:04 | -69.99, 126.58 | 118.47 | 3.43 | 34 |
| 13 | 08/31/2025 | 16:09:14 | 69.87, -65.89 | 61.43 | 08/31/2025 | 16:08:31 | 69.88, -65.93 | 61.44 | 1.75 | 43 |
| 14 | 09/03/2025 | 06:44:48 | 70.39, 74.47 | 62.91 | 09/03/2025 | 06:45:59 | 70.25, 75.21 | 62.75 | 31.53 | 71 |
| 15 | 09/03/2025 | 07:35:24 | -69.96,-117.55 | 117.53 | 09/03/2025 | 07:35:32 | -69.98,-117.54 | 117.51 | 2.35 | 8 |
| 16 | 09/03/2025 | 08:26:08 | 69.87, 49.90 | 62.40 | 09/03/2025 | 08:24:59 | 69.87, 49.94 | 62.40 | 1.50 | 69 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/20/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/20/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8