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: 8/18/2025
| 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 | 08/18/2025 | 06:44:51 | 70.30, 74.56 | 57.30 | 08/18/2025 | 06:46:02 | 70.22, 75.13 | 57.19 | 23.26 | 71 |
| 2 | 08/18/2025 | 07:35:28 | -69.96,-117.59 | 123.06 | 08/18/2025 | 07:35:35 | -69.94,-117.63 | 123.07 | 2.33 | 7 |
| 3 | 08/18/2025 | 08:26:12 | 69.83, 49.91 | 56.83 | 08/18/2025 | 08:25:02 | 69.84, 49.87 | 56.85 | 1.59 | 70 |
| 4 | 08/20/2025 | 23:01:40 | 70.01,-169.21 | 57.87 | 08/20/2025 | 23:02:35 | 70.02,-169.28 | 57.87 | 2.66 | 55 |
| 5 | 08/20/2025 | 23:52:22 | -69.92, -1.76 | 122.22 | 08/20/2025 | 23:52:05 | -69.91, -1.80 | 122.23 | 2.48 | 17 |
| 6 | 08/21/2025 | 00:42:52 | 69.06, 166.80 | 56.90 | 08/21/2025 | 00:41:44 | 69.14, 164.81 | 57.05 | 79.27 | 68 |
| 7 | 08/23/2025 | 15:18:34 | 69.99, -53.40 | 58.74 | 08/23/2025 | 15:19:04 | 70.02, -53.39 | 58.76 | 3.27 | 30 |
| 8 | 08/23/2025 | 16:09:16 | -69.89, 114.06 | 121.35 | 08/23/2025 | 16:08:34 | -69.91, 114.09 | 121.33 | 1.83 | 42 |
| 9 | 08/26/2025 | 06:44:51 | -70.44,-105.63 | 119.88 | 08/26/2025 | 06:46:02 | -70.33,-104.71 | 120.03 | 36.81 | 71 |
| 10 | 08/26/2025 | 07:35:28 | 69.97, 62.41 | 59.64 | 08/26/2025 | 07:35:34 | 69.95, 62.39 | 59.61 | 2.69 | 6 |
| 11 | 08/26/2025 | 08:26:10 | -69.87,-130.12 | 120.46 | 08/26/2025 | 08:25:04 | -69.84,-130.12 | 120.48 | 3.35 | 66 |
| 12 | 08/28/2025 | 23:01:37 | -70.05, 10.75 | 119.35 | 08/28/2025 | 23:02:35 | -70.03, 10.75 | 119.39 | 3.16 | 58 |
| 13 | 08/28/2025 | 23:52:20 | 69.90, 178.29 | 60.51 | 08/28/2025 | 23:52:02 | 69.91, 178.23 | 60.52 | 2.62 | 18 |
| 14 | 08/29/2025 | 00:42:51 | -69.22, -13.39 | 120.20 | 08/29/2025 | 00:41:42 | -69.26, -15.02 | 120.10 | 64.36 | 69 |
| 15 | 08/31/2025 | 15:18:30 | -69.99, 126.63 | 118.47 | 08/31/2025 | 15:19:04 | -69.98, 126.57 | 118.48 | 2.51 | 34 |
| 16 | 08/31/2025 | 16:09:14 | 69.89, -65.91 | 61.45 | 08/31/2025 | 16:08:31 | 69.87, -65.95 | 61.43 | 3.19 | 43 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/18/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/18/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8