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: 4/6/2025
| 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 | 04/08/2025 | 07:59:07 | 70.04, 56.22 | 62.65 | 04/08/2025 | 08:00:05 | 70.04, 56.24 | 62.65 | 1.07 | 58 |
| 2 | 04/08/2025 | 08:49:48 | -69.91,-136.26 | 117.50 | 04/08/2025 | 08:49:35 | -69.94,-136.27 | 117.47 | 3.42 | 13 |
| 3 | 04/08/2025 | 09:40:21 | 69.18, 32.09 | 61.74 | 04/08/2025 | 09:39:12 | 69.28, 30.48 | 61.89 | 64.38 | 69 |
| 4 | 04/11/2025 | 00:16:05 | 70.01, 172.01 | 61.63 | 04/11/2025 | 00:16:35 | 70.02, 172.08 | 61.63 | 2.59 | 30 |
| 5 | 04/11/2025 | 01:06:46 | -69.88, -20.47 | 118.53 | 04/11/2025 | 01:06:06 | -69.86, -20.51 | 118.54 | 2.61 | 40 |
| 6 | 04/13/2025 | 15:42:25 | -70.39, 119.87 | 118.94 | 04/13/2025 | 15:43:36 | -70.27, 120.66 | 119.10 | 32.56 | 71 |
| 7 | 04/13/2025 | 16:33:03 | 69.96, -72.14 | 60.59 | 04/13/2025 | 16:33:07 | 69.93, -72.17 | 60.57 | 2.65 | 4 |
| 8 | 04/13/2025 | 17:23:44 | -69.81, 95.39 | 119.57 | 04/13/2025 | 17:22:37 | -69.84, 95.32 | 119.54 | 3.27 | 67 |
| 9 | 04/16/2025 | 07:59:17 | -70.03,-123.80 | 120.29 | 04/16/2025 | 08:00:11 | -70.02,-123.83 | 120.30 | 1.61 | 54 |
| 10 | 04/16/2025 | 08:50:01 | 69.91, 43.68 | 59.58 | 04/16/2025 | 08:49:38 | 69.90, 43.65 | 59.57 | 1.73 | 23 |
| 11 | 04/16/2025 | 09:40:29 | -69.08,-147.79 | 121.30 | 04/16/2025 | 09:39:21 | -69.09,-149.81 | 121.22 | 79.87 | 68 |
| 12 | 04/19/2025 | 00:16:15 | -69.99, -7.99 | 121.26 | 04/19/2025 | 00:16:42 | -69.98, -8.01 | 121.28 | 1.52 | 27 |
| 13 | 04/19/2025 | 01:06:59 | 69.88, 159.49 | 58.61 | 04/19/2025 | 01:06:09 | 69.86, 159.47 | 58.60 | 2.35 | 50 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/6/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/06/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9