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: 3/17/2025
| 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 | 03/17/2025 | 23:25:51 | 70.88,-176.75 | 71.88 | 03/17/2025 | 23:26:58 | 70.76,-174.43 | 71.67 | 85.67 | 67 |
| 2 | 03/18/2025 | 00:16:17 | -69.98, -8.00 | 109.09 | 03/18/2025 | 00:16:40 | -69.98, -7.93 | 109.09 | 2.51 | 23 |
| 3 | 03/18/2025 | 01:07:01 | 69.84, 159.52 | 70.75 | 03/18/2025 | 01:06:08 | 69.83, 159.49 | 70.75 | 1.81 | 53 |
| 4 | 03/20/2025 | 15:42:26 | 70.02, -59.59 | 69.91 | 03/20/2025 | 15:43:36 | 70.01, -59.63 | 69.89 | 1.90 | 70 |
| 5 | 03/20/2025 | 16:33:07 | -69.90, 107.90 | 110.23 | 03/20/2025 | 16:33:06 | -69.90, 107.84 | 110.24 | 2.62 | 1 |
| 6 | 03/20/2025 | 17:23:48 | 69.61, -84.35 | 69.45 | 03/20/2025 | 17:22:35 | 69.68, -84.82 | 69.54 | 19.68 | 73 |
| 7 | 03/23/2025 | 07:59:16 | 69.97, 56.28 | 68.79 | 03/23/2025 | 08:00:00 | 69.97, 56.21 | 68.78 | 2.85 | 44 |
| 8 | 03/23/2025 | 08:49:58 | -69.90,-136.30 | 111.30 | 03/23/2025 | 08:49:29 | -69.91,-136.24 | 111.29 | 2.66 | 29 |
| 9 | 03/25/2025 | 23:25:35 | -70.79, 3.47 | 111.40 | 03/25/2025 | 23:26:43 | -70.69, 5.52 | 111.57 | 76.00 | 68 |
| 10 | 03/26/2025 | 00:16:06 | 69.98, 172.05 | 67.74 | 03/26/2025 | 00:16:21 | 69.98, 172.12 | 67.73 | 2.68 | 15 |
| 11 | 03/26/2025 | 01:06:47 | -69.85, -20.44 | 112.41 | 03/26/2025 | 01:05:51 | -69.87, -20.40 | 112.39 | 1.97 | 56 |
| 12 | 03/28/2025 | 15:42:11 | -70.03, 120.47 | 113.25 | 03/28/2025 | 15:43:16 | -70.04, 120.47 | 113.25 | 1.54 | 65 |
| 13 | 03/28/2025 | 16:32:55 | 69.90, -72.04 | 66.61 | 03/28/2025 | 16:32:43 | 69.92, -72.05 | 66.63 | 2.05 | 12 |
| 14 | 03/28/2025 | 17:23:30 | -69.46, 95.93 | 113.88 | 03/28/2025 | 17:22:18 | -69.54, 95.06 | 113.76 | 35.19 | 72 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/17/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/17/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9