Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/1/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 04/03/2025 | 00:15:50 | -70.02, -7.94 | 115.34 | 04/03/2025 | 00:16:31 | -70.01, -7.89 | 115.36 | 2.41 | 41 |
| 2 | 04/03/2025 | 01:06:34 | 69.90, 159.56 | 64.52 | 04/03/2025 | 01:05:58 | 69.91, 159.61 | 64.53 | 2.34 | 36 |
| 3 | 04/05/2025 | 15:42:09 | 70.75, -60.61 | 64.42 | 04/05/2025 | 15:43:17 | 70.60, -58.78 | 64.20 | 69.62 | 68 |
| 4 | 04/05/2025 | 16:32:38 | -69.99, 107.90 | 116.40 | 04/05/2025 | 16:32:56 | -70.00, 107.98 | 116.40 | 2.88 | 18 |
| 5 | 04/05/2025 | 17:23:22 | 69.87, -84.60 | 63.46 | 04/05/2025 | 17:22:23 | 69.89, -84.53 | 63.49 | 3.48 | 59 |
| 6 | 04/08/2025 | 07:58:45 | 70.05, 56.29 | 62.67 | 04/08/2025 | 07:59:52 | 70.05, 56.31 | 62.65 | 0.77 | 67 |
| 7 | 04/08/2025 | 08:49:26 | -69.92,-136.19 | 117.49 | 04/08/2025 | 08:49:22 | -69.94,-136.21 | 117.47 | 2.36 | 4 |
| 8 | 04/08/2025 | 09:40:05 | 69.53, 31.69 | 62.10 | 04/08/2025 | 09:38:53 | 69.60, 30.97 | 62.20 | 28.78 | 72 |
| 9 | 04/11/2025 | 00:15:33 | 69.99, 172.18 | 61.61 | 04/11/2025 | 00:16:17 | 70.00, 172.13 | 61.61 | 1.85 | 44 |
| 10 | 04/11/2025 | 01:06:15 | -69.91, -20.37 | 118.50 | 04/11/2025 | 01:05:47 | -69.89, -20.39 | 118.51 | 2.29 | 28 |
| 11 | 04/13/2025 | 15:41:54 | -70.94, 119.15 | 118.37 | 04/13/2025 | 15:43:00 | -70.84, 121.62 | 118.55 | 90.54 | 66 |
| 12 | 04/13/2025 | 16:32:21 | 69.95, -71.95 | 60.58 | 04/13/2025 | 16:32:41 | 69.96, -72.03 | 60.59 | 2.91 | 20 |
| 13 | 04/13/2025 | 17:23:03 | -69.86, 95.50 | 119.53 | 04/13/2025 | 17:22:11 | -69.85, 95.46 | 119.53 | 1.83 | 52 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/1/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/01/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9