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: 3/16/2025
| 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 | 70.89,-176.77 | 71.90 | 03/17/2025 | 23:26:57 | 70.81,-174.36 | 71.71 | 88.20 | 66 |
| 2 | 03/18/2025 | 00:16:17 | -69.99, -8.01 | 109.08 | 03/18/2025 | 00:16:40 | -69.98, -7.94 | 109.10 | 2.71 | 23 |
| 3 | 03/18/2025 | 01:07:01 | 69.85, 159.51 | 70.76 | 03/18/2025 | 01:06:07 | 69.87, 159.55 | 70.79 | 3.30 | 54 |
| 4 | 03/20/2025 | 15:42:26 | 70.03, -59.60 | 69.92 | 03/20/2025 | 15:43:36 | 70.01, -59.63 | 69.89 | 2.08 | 70 |
| 5 | 03/20/2025 | 16:33:07 | -69.91, 107.90 | 110.23 | 03/20/2025 | 16:33:06 | -69.90, 107.84 | 110.24 | 2.40 | 1 |
| 6 | 03/20/2025 | 17:23:48 | 69.61, -84.36 | 69.45 | 03/20/2025 | 17:22:35 | 69.68, -84.82 | 69.54 | 19.09 | 73 |
| 7 | 03/23/2025 | 07:59:16 | 69.97, 56.28 | 68.79 | 03/23/2025 | 08:00:00 | 69.98, 56.22 | 68.80 | 2.79 | 44 |
| 8 | 03/23/2025 | 08:49:58 | -69.90,-136.30 | 111.30 | 03/23/2025 | 08:49:30 | -69.87,-136.30 | 111.33 | 2.81 | 28 |
| 9 | 03/25/2025 | 23:25:37 | -70.83, 3.39 | 111.35 | 03/25/2025 | 23:26:44 | -70.72, 5.56 | 111.54 | 80.37 | 67 |
| 10 | 03/26/2025 | 00:16:07 | 69.97, 172.06 | 67.73 | 03/26/2025 | 00:16:23 | 69.95, 172.08 | 67.71 | 2.44 | 16 |
| 11 | 03/26/2025 | 01:06:48 | -69.85, -20.43 | 112.42 | 03/26/2025 | 01:05:53 | -69.84, -20.43 | 112.41 | 0.40 | 55 |
| 12 | 03/28/2025 | 15:42:12 | -70.06, 120.41 | 113.22 | 03/28/2025 | 15:43:17 | -70.04, 120.47 | 113.25 | 3.29 | 65 |
| 13 | 03/28/2025 | 16:32:56 | 69.94, -72.10 | 66.65 | 03/28/2025 | 16:32:44 | 69.92, -72.05 | 66.62 | 2.80 | 12 |
| 14 | 03/28/2025 | 17:23:31 | -69.49, 95.88 | 113.84 | 03/28/2025 | 17:22:19 | -69.54, 95.05 | 113.76 | 32.57 | 72 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/16/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/16/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9