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: 3/14/2025
| 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 | 03/15/2025 | 07:59:26 | -70.01,-123.83 | 107.99 | 03/15/2025 | 08:00:14 | -70.01,-123.78 | 108.00 | 1.90 | 48 |
| 2 | 03/15/2025 | 08:50:10 | 69.87, 43.68 | 71.85 | 03/15/2025 | 08:49:42 | 69.85, 43.64 | 71.84 | 2.79 | 28 |
| 3 | 03/15/2025 | 09:40:34 | -68.86,-147.55 | 109.23 | 03/15/2025 | 09:39:27 | -68.91,-149.98 | 109.07 | 97.53 | 67 |
| 4 | 03/17/2025 | 23:25:51 | 70.88,-176.75 | 71.88 | 03/17/2025 | 23:26:58 | 70.76,-174.44 | 71.67 | 85.59 | 67 |
| 5 | 03/18/2025 | 00:16:17 | -69.97, -7.99 | 109.09 | 03/18/2025 | 00:16:40 | -69.99, -7.93 | 109.09 | 2.71 | 23 |
| 6 | 03/18/2025 | 01:07:01 | 69.84, 159.52 | 70.75 | 03/18/2025 | 01:06:08 | 69.82, 159.49 | 70.75 | 2.06 | 53 |
| 7 | 03/20/2025 | 15:42:26 | 70.02, -59.59 | 69.90 | 03/20/2025 | 15:43:36 | 70.01, -59.63 | 69.89 | 1.67 | 70 |
| 8 | 03/20/2025 | 16:33:07 | -69.90, 107.92 | 110.24 | 03/20/2025 | 16:33:06 | -69.90, 107.85 | 110.23 | 2.65 | 1 |
| 9 | 03/20/2025 | 17:23:48 | 69.60, -84.34 | 69.44 | 03/20/2025 | 17:22:36 | 69.63, -84.89 | 69.49 | 21.20 | 72 |
| 10 | 03/23/2025 | 07:59:17 | 70.01, 56.21 | 68.83 | 03/23/2025 | 08:00:00 | 69.98, 56.22 | 68.80 | 3.12 | 43 |
| 11 | 03/23/2025 | 08:49:58 | -69.88,-136.28 | 111.32 | 03/23/2025 | 08:49:30 | -69.87,-136.29 | 111.33 | 1.47 | 28 |
| 12 | 03/25/2025 | 23:25:36 | -70.82, 3.41 | 111.36 | 03/25/2025 | 23:26:43 | -70.72, 5.56 | 111.55 | 79.43 | 67 |
| 13 | 03/26/2025 | 00:16:06 | 69.96, 172.08 | 67.72 | 03/26/2025 | 00:16:22 | 69.95, 172.08 | 67.70 | 1.84 | 16 |
| 14 | 03/26/2025 | 01:06:47 | -69.83, -20.41 | 112.43 | 03/26/2025 | 01:05:52 | -69.84, -20.44 | 112.42 | 1.11 | 55 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/14/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/14/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9