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: 10/20/2025
| 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 | 10/21/2025 | 07:35:00 | -70.03,-117.46 | 99.26 | 10/21/2025 | 07:35:45 | -70.02,-117.54 | 99.27 | 2.82 | 45 |
| 2 | 10/21/2025 | 08:25:44 | 69.90, 50.04 | 80.62 | 10/21/2025 | 08:25:12 | 69.92, 49.96 | 80.64 | 3.54 | 32 |
| 3 | 10/23/2025 | 23:01:26 | 70.47,-169.72 | 82.11 | 10/23/2025 | 23:02:37 | 70.34,-168.82 | 81.98 | 36.62 | 71 |
| 4 | 10/23/2025 | 23:52:01 | -70.01, -1.69 | 98.34 | 10/23/2025 | 23:52:11 | -70.01, -1.67 | 98.34 | 1.24 | 10 |
| 5 | 10/24/2025 | 00:42:45 | 69.89, 165.81 | 81.55 | 10/24/2025 | 00:41:38 | 69.90, 165.83 | 81.56 | 1.94 | 67 |
| 6 | 10/26/2025 | 15:18:20 | 70.04, -53.31 | 82.61 | 10/26/2025 | 15:19:08 | 70.06, -53.33 | 82.62 | 2.23 | 48 |
| 7 | 10/26/2025 | 16:09:02 | -69.96, 114.14 | 97.47 | 10/26/2025 | 16:08:38 | -69.95, 114.15 | 97.48 | 0.54 | 24 |
| 8 | 10/29/2025 | 06:44:49 | -70.75,-105.99 | 95.80 | 10/29/2025 | 06:45:58 | -70.63,-104.25 | 95.92 | 65.64 | 69 |
| 9 | 10/29/2025 | 07:35:21 | 70.00, 62.51 | 83.46 | 10/29/2025 | 07:35:34 | 70.02, 62.51 | 83.48 | 2.62 | 13 |
| 10 | 10/29/2025 | 08:26:03 | -69.91,-130.04 | 96.62 | 10/29/2025 | 08:25:04 | -69.92,-130.01 | 96.62 | 1.48 | 59 |
| 11 | 10/31/2025 | 23:01:38 | -70.09, 10.81 | 95.60 | 10/31/2025 | 23:02:33 | -70.06, 10.82 | 95.63 | 3.55 | 55 |
| 12 | 10/31/2025 | 23:52:22 | 69.96, 178.31 | 84.29 | 10/31/2025 | 23:52:00 | 69.94, 178.30 | 84.27 | 2.66 | 22 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/20/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/20/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8