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: 4/4/2025
| 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 | 04/05/2025 | 15:42:18 | 70.59, -60.41 | 64.25 | 04/05/2025 | 15:43:27 | 70.47, -59.01 | 64.07 | 53.76 | 69 |
| 2 | 04/05/2025 | 16:32:50 | -69.99, 107.85 | 116.40 | 04/05/2025 | 16:33:04 | -69.97, 107.91 | 116.43 | 3.27 | 14 |
| 3 | 04/05/2025 | 17:23:34 | 69.85, -84.63 | 63.45 | 04/05/2025 | 17:22:31 | 69.87, -84.58 | 63.47 | 2.44 | 63 |
| 4 | 04/08/2025 | 07:59:07 | 70.05, 56.21 | 62.67 | 04/08/2025 | 08:00:07 | 70.02, 56.21 | 62.62 | 3.62 | 60 |
| 5 | 04/08/2025 | 08:49:47 | -69.92,-136.28 | 117.49 | 04/08/2025 | 08:49:36 | -69.91,-136.31 | 117.50 | 1.48 | 11 |
| 6 | 04/08/2025 | 09:40:21 | 69.25, 32.00 | 61.81 | 04/08/2025 | 09:39:12 | 69.31, 30.52 | 61.92 | 58.62 | 69 |
| 7 | 04/11/2025 | 00:16:04 | 70.00, 172.03 | 61.62 | 04/11/2025 | 00:16:38 | 70.00, 172.05 | 61.61 | 0.70 | 34 |
| 8 | 04/11/2025 | 01:06:46 | -69.92, -20.52 | 118.48 | 04/11/2025 | 01:06:08 | -69.90, -20.46 | 118.50 | 3.25 | 38 |
| 9 | 04/13/2025 | 15:42:27 | -70.58, 119.59 | 118.75 | 04/13/2025 | 15:43:36 | -70.48, 120.95 | 118.90 | 51.89 | 69 |
| 10 | 04/13/2025 | 16:33:02 | 69.99, -72.18 | 60.62 | 04/13/2025 | 16:33:10 | 69.98, -72.11 | 60.62 | 2.59 | 8 |
| 11 | 04/13/2025 | 17:23:43 | -69.84, 95.35 | 119.54 | 04/13/2025 | 17:22:41 | -69.83, 95.30 | 119.55 | 2.50 | 62 |
| 12 | 04/16/2025 | 07:59:15 | -70.05,-123.83 | 120.26 | 04/16/2025 | 08:00:15 | -70.07,-123.77 | 120.25 | 3.28 | 60 |
| 13 | 04/16/2025 | 08:49:59 | 69.94, 43.65 | 59.62 | 04/16/2025 | 08:49:42 | 69.96, 43.72 | 59.63 | 3.46 | 17 |
| 14 | 04/16/2025 | 09:40:31 | -69.32,-148.12 | 121.05 | 04/16/2025 | 09:39:21 | -69.37,-149.46 | 120.96 | 52.68 | 70 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/4/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/04/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9