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: 10/17/2025
| 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 | 10/18/2025 | 15:18:03 | -70.31, 126.35 | 99.94 | 10/18/2025 | 15:19:14 | -70.22, 126.86 | 100.03 | 21.37 | 71 |
| 2 | 10/18/2025 | 16:08:43 | 69.97, -65.82 | 79.74 | 10/18/2025 | 16:08:44 | 69.95, -65.88 | 79.72 | 3.09 | 1 |
| 3 | 10/18/2025 | 16:59:25 | -69.88, 101.63 | 100.34 | 10/18/2025 | 16:58:13 | -69.89, 101.68 | 100.33 | 2.13 | 72 |
| 4 | 10/21/2025 | 07:35:00 | -70.02,-117.45 | 99.27 | 10/21/2025 | 07:35:45 | -70.04,-117.51 | 99.25 | 3.41 | 45 |
| 5 | 10/21/2025 | 08:25:45 | 69.95, 49.97 | 80.67 | 10/21/2025 | 08:25:12 | 69.93, 49.98 | 80.66 | 1.59 | 33 |
| 6 | 10/23/2025 | 23:01:27 | 70.51,-169.79 | 82.15 | 10/23/2025 | 23:02:37 | 70.38,-168.77 | 82.02 | 40.72 | 70 |
| 7 | 10/23/2025 | 23:52:01 | -70.00, -1.67 | 98.35 | 10/23/2025 | 23:52:12 | -69.99, -1.69 | 98.36 | 0.80 | 11 |
| 8 | 10/24/2025 | 00:42:45 | 69.87, 165.83 | 81.54 | 10/24/2025 | 00:41:39 | 69.88, 165.80 | 81.55 | 1.40 | 66 |
| 9 | 10/26/2025 | 15:18:21 | 70.08, -53.36 | 82.64 | 10/26/2025 | 15:19:09 | 70.08, -53.31 | 82.64 | 1.83 | 48 |
| 10 | 10/26/2025 | 16:09:03 | -69.98, 114.10 | 97.45 | 10/26/2025 | 16:08:39 | -69.97, 114.17 | 97.46 | 3.19 | 24 |
| 11 | 10/29/2025 | 06:44:51 | -70.82,-106.11 | 95.73 | 10/29/2025 | 06:45:59 | -70.68,-104.17 | 95.87 | 72.58 | 68 |
| 12 | 10/29/2025 | 07:35:22 | 70.02, 62.48 | 83.48 | 10/29/2025 | 07:35:36 | 70.02, 62.50 | 83.48 | 1.22 | 14 |
| 13 | 10/29/2025 | 08:26:04 | -69.93,-130.07 | 96.61 | 10/29/2025 | 08:25:06 | -69.92,-130.01 | 96.62 | 2.36 | 58 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/17/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/17/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8