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: 10/11/2025
| 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 | 10/13/2025 | 07:34:50 | 70.07, 62.50 | 77.87 | 10/13/2025 | 07:35:45 | 70.09, 62.55 | 77.88 | 3.01 | 55 |
| 2 | 10/13/2025 | 08:25:32 | -69.98,-130.04 | 102.22 | 10/13/2025 | 08:25:15 | -69.98,-129.97 | 102.22 | 2.53 | 17 |
| 3 | 10/13/2025 | 09:16:02 | 69.12, 38.51 | 76.95 | 10/13/2025 | 09:14:54 | 69.21, 36.63 | 77.03 | 74.80 | 68 |
| 4 | 10/15/2025 | 23:51:41 | 70.05, 178.32 | 78.84 | 10/15/2025 | 23:52:15 | 70.03, 178.34 | 78.81 | 2.71 | 34 |
| 5 | 10/16/2025 | 00:42:22 | -69.90, -14.14 | 101.30 | 10/16/2025 | 00:41:45 | -69.92, -14.18 | 101.29 | 2.25 | 37 |
| 6 | 10/18/2025 | 15:17:58 | -70.72, 125.75 | 99.53 | 10/18/2025 | 15:19:07 | -70.59, 127.41 | 99.66 | 62.71 | 69 |
| 7 | 10/18/2025 | 16:08:30 | 69.98, -65.78 | 79.75 | 10/18/2025 | 16:08:43 | 69.99, -65.82 | 79.75 | 1.58 | 13 |
| 8 | 10/18/2025 | 16:59:12 | -69.89, 101.68 | 100.34 | 10/18/2025 | 16:58:13 | -69.89, 101.66 | 100.34 | 0.74 | 59 |
| 9 | 10/21/2025 | 07:34:37 | -70.08,-117.45 | 99.21 | 10/21/2025 | 07:35:44 | -70.10,-117.43 | 99.20 | 1.64 | 67 |
| 10 | 10/21/2025 | 08:25:21 | 69.98, 50.02 | 80.71 | 10/21/2025 | 08:25:11 | 69.98, 50.06 | 80.71 | 1.53 | 10 |
| 11 | 10/21/2025 | 09:15:57 | -69.57,-142.05 | 99.70 | 10/21/2025 | 09:14:45 | -69.66,-142.76 | 99.61 | 29.28 | 72 |
| 12 | 10/23/2025 | 23:51:27 | -70.03, -1.58 | 98.32 | 10/23/2025 | 23:52:12 | -70.07, -1.59 | 98.29 | 3.56 | 45 |
| 13 | 10/24/2025 | 00:42:11 | 69.93, 165.89 | 81.60 | 10/24/2025 | 00:41:39 | 69.95, 165.90 | 81.61 | 2.26 | 32 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/11/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/11/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8