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: 6/20/2025
| 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 | 06/20/2025 | 15:17:53 | 70.02, -53.36 | 46.54 | 06/20/2025 | 15:18:42 | 70.04, -53.37 | 46.56 | 2.34 | 49 |
| 2 | 06/20/2025 | 16:08:35 | -69.93, 114.09 | 133.55 | 06/20/2025 | 16:08:12 | -69.93, 114.11 | 133.56 | 0.80 | 23 |
| 3 | 06/23/2025 | 06:44:26 | -70.96,-106.43 | 132.45 | 06/23/2025 | 06:45:32 | -70.87,-103.90 | 132.62 | 92.51 | 66 |
| 4 | 06/23/2025 | 07:34:54 | 70.00, 62.42 | 46.54 | 06/23/2025 | 07:35:13 | 70.01, 62.46 | 46.54 | 2.11 | 19 |
| 5 | 06/23/2025 | 08:25:36 | -69.91,-130.13 | 133.56 | 06/23/2025 | 08:24:43 | -69.90,-130.05 | 133.56 | 3.06 | 53 |
| 6 | 06/25/2025 | 23:01:09 | -70.05, 10.78 | 133.34 | 06/25/2025 | 23:02:16 | -70.07, 10.79 | 133.33 | 2.27 | 67 |
| 7 | 06/25/2025 | 23:51:54 | 69.98, 178.20 | 46.59 | 06/25/2025 | 23:51:43 | 69.96, 178.28 | 46.57 | 3.61 | 11 |
| 8 | 06/26/2025 | 00:42:30 | -69.57, -13.88 | 133.84 | 06/26/2025 | 00:41:18 | -69.58, -14.61 | 133.79 | 28.36 | 72 |
| 9 | 06/28/2025 | 15:18:10 | -70.03, 126.56 | 133.24 | 06/28/2025 | 15:18:47 | -70.01, 126.59 | 133.27 | 2.50 | 37 |
| 10 | 06/28/2025 | 16:08:54 | 69.90, -65.95 | 46.63 | 06/28/2025 | 16:08:14 | 69.90, -65.93 | 46.63 | 1.22 | 40 |
| 11 | 07/01/2025 | 06:44:33 | 70.32, 74.55 | 47.23 | 07/01/2025 | 06:45:45 | 70.20, 75.11 | 47.08 | 24.70 | 72 |
| 12 | 07/01/2025 | 07:35:10 | -69.96,-117.59 | 133.14 | 07/01/2025 | 07:35:18 | -69.94,-117.64 | 133.17 | 3.25 | 8 |
| 13 | 07/01/2025 | 08:25:54 | 69.84, 49.90 | 46.73 | 07/01/2025 | 08:24:45 | 69.82, 49.85 | 46.72 | 2.88 | 69 |
| 14 | 07/03/2025 | 23:01:29 | 70.04,-169.28 | 47.15 | 07/03/2025 | 23:02:17 | 70.05,-169.22 | 47.16 | 2.80 | 48 |
| 15 | 07/03/2025 | 23:52:10 | -69.90, -1.74 | 133.00 | 07/03/2025 | 23:51:48 | -69.90, -1.80 | 132.99 | 2.32 | 22 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/20/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 06/20/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8