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: 9/18/2025
| 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 | 09/19/2025 | 07:35:14 | -70.00,-117.54 | 111.44 | 09/19/2025 | 07:35:44 | -70.03,-117.53 | 111.42 | 3.12 | 30 |
| 2 | 09/19/2025 | 08:25:58 | 69.90, 49.92 | 68.48 | 09/19/2025 | 08:25:12 | 69.87, 49.90 | 68.45 | 3.22 | 46 |
| 3 | 09/21/2025 | 23:01:31 | 70.41,-169.71 | 70.01 | 09/21/2025 | 23:02:42 | 70.26,-168.95 | 69.84 | 32.92 | 71 |
| 4 | 09/21/2025 | 23:52:07 | -69.99, -1.74 | 110.41 | 09/21/2025 | 23:52:15 | -69.98, -1.71 | 110.42 | 0.92 | 8 |
| 5 | 09/22/2025 | 00:42:51 | 69.89, 165.72 | 69.51 | 09/22/2025 | 00:41:42 | 69.88, 165.79 | 69.50 | 2.84 | 69 |
| 6 | 09/24/2025 | 15:18:16 | 70.04, -53.35 | 70.67 | 09/24/2025 | 15:19:15 | 70.03, -53.40 | 70.66 | 2.39 | 59 |
| 7 | 09/24/2025 | 16:08:58 | -69.93, 114.14 | 109.43 | 09/24/2025 | 16:08:45 | -69.92, 114.08 | 109.44 | 2.35 | 13 |
| 8 | 09/24/2025 | 16:59:31 | 69.25, -77.56 | 69.90 | 09/24/2025 | 16:58:22 | 69.26, -79.17 | 69.93 | 63.33 | 69 |
| 9 | 09/27/2025 | 07:35:08 | 69.99, 62.51 | 71.66 | 09/27/2025 | 07:35:45 | 70.00, 62.44 | 71.67 | 3.30 | 37 |
| 10 | 09/27/2025 | 08:25:51 | -69.93,-130.08 | 108.39 | 09/27/2025 | 08:25:15 | -69.90,-130.08 | 108.43 | 3.60 | 36 |
| 11 | 09/29/2025 | 23:01:29 | -70.71, 9.85 | 106.58 | 09/29/2025 | 23:02:38 | -70.61, 11.57 | 106.70 | 64.26 | 69 |
| 12 | 09/29/2025 | 23:52:01 | 70.00, 178.29 | 72.71 | 09/29/2025 | 23:52:14 | 70.01, 178.33 | 72.72 | 2.30 | 13 |
| 13 | 09/30/2025 | 00:42:43 | -69.88, -14.22 | 107.40 | 09/30/2025 | 00:41:44 | -69.91, -14.18 | 107.38 | 3.33 | 59 |
| 14 | 10/02/2025 | 15:18:09 | -70.04, 126.69 | 106.23 | 10/02/2025 | 15:19:17 | -70.06, 126.64 | 106.21 | 2.89 | 68 |
| 15 | 10/02/2025 | 16:08:53 | 69.96, -65.86 | 73.70 | 10/02/2025 | 16:08:44 | 69.95, -65.88 | 73.69 | 1.18 | 9 |
| 16 | 10/02/2025 | 16:59:30 | -69.58, 102.01 | 106.67 | 10/02/2025 | 16:58:18 | -69.63, 101.31 | 106.62 | 27.73 | 72 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/18/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/18/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8