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: 3/22/2025
| 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 | 03/23/2025 | 07:59:16 | 70.01, 56.22 | 68.83 | 03/23/2025 | 08:00:06 | 69.99, 56.20 | 68.81 | 1.71 | 50 |
| 2 | 03/23/2025 | 08:49:57 | -69.89,-136.29 | 111.31 | 03/23/2025 | 08:49:36 | -69.88,-136.32 | 111.32 | 1.59 | 21 |
| 3 | 03/23/2025 | 09:40:25 | 68.90, 32.44 | 67.65 | 03/23/2025 | 09:39:18 | 68.95, 30.09 | 67.79 | 94.16 | 67 |
| 4 | 03/26/2025 | 00:16:06 | 69.98, 172.05 | 67.74 | 03/26/2025 | 00:16:36 | 69.99, 172.07 | 67.74 | 1.14 | 30 |
| 5 | 03/26/2025 | 01:06:47 | -69.86, -20.45 | 112.40 | 03/26/2025 | 01:06:06 | -69.88, -20.45 | 112.38 | 2.21 | 41 |
| 6 | 03/28/2025 | 15:42:21 | -70.57, 119.62 | 112.68 | 03/28/2025 | 15:43:31 | -70.46, 120.99 | 112.85 | 52.17 | 70 |
| 7 | 03/28/2025 | 16:32:56 | 69.97, -72.14 | 66.68 | 03/28/2025 | 16:33:05 | 69.97, -72.08 | 66.67 | 2.40 | 9 |
| 8 | 03/28/2025 | 17:23:37 | -69.85, 95.37 | 113.47 | 03/28/2025 | 17:22:35 | -69.86, 95.41 | 113.45 | 2.77 | 62 |
| 9 | 03/31/2025 | 07:59:00 | -70.05,-123.77 | 114.28 | 03/31/2025 | 08:00:05 | -70.06,-123.72 | 114.28 | 2.42 | 65 |
| 10 | 03/31/2025 | 08:49:44 | 69.93, 43.72 | 65.59 | 03/31/2025 | 08:49:32 | 69.94, 43.77 | 65.60 | 2.72 | 12 |
| 11 | 03/31/2025 | 09:40:19 | -69.48,-148.30 | 114.90 | 03/31/2025 | 09:39:07 | -69.57,-149.12 | 114.78 | 33.06 | 72 |
| 12 | 04/03/2025 | 00:15:49 | -70.02, -7.93 | 115.34 | 04/03/2025 | 00:16:32 | -70.02, -7.88 | 115.35 | 2.17 | 43 |
| 13 | 04/03/2025 | 01:06:33 | 69.90, 159.55 | 64.52 | 04/03/2025 | 01:05:59 | 69.91, 159.60 | 64.53 | 2.00 | 34 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/22/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/22/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9