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: 1/20/2025
| 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 | 01/20/2025 | 23:26:11 | -70.62, 3.58 | 89.43 | 01/20/2025 | 23:27:20 | -70.53, 5.23 | 89.59 | 62.14 | 69 |
| 2 | 01/21/2025 | 00:16:44 | 69.95, 171.94 | 89.85 | 01/21/2025 | 00:16:56 | 69.94, 172.02 | 89.84 | 3.02 | 12 |
| 3 | 01/21/2025 | 01:07:26 | -69.84, -20.58 | 90.27 | 01/21/2025 | 01:06:26 | -69.83, -20.50 | 90.28 | 3.19 | 60 |
| 4 | 01/23/2025 | 15:42:55 | -69.97, 120.36 | 90.72 | 01/23/2025 | 15:43:58 | -70.00, 120.34 | 90.71 | 2.65 | 63 |
| 5 | 01/23/2025 | 16:33:39 | 69.88, -72.19 | 89.17 | 01/23/2025 | 16:33:25 | 69.89, -72.17 | 89.18 | 1.68 | 14 |
| 6 | 01/23/2025 | 17:24:13 | -69.34, 95.91 | 91.40 | 01/23/2025 | 17:23:02 | -69.40, 94.80 | 91.30 | 43.90 | 71 |
| 7 | 01/26/2025 | 07:59:50 | -69.97,-123.87 | 91.38 | 01/26/2025 | 08:00:25 | -69.96,-123.83 | 91.41 | 2.22 | 35 |
| 8 | 01/26/2025 | 08:50:33 | 69.82, 43.66 | 88.46 | 01/26/2025 | 08:49:52 | 69.84, 43.66 | 88.49 | 2.65 | 41 |
| 9 | 01/28/2025 | 23:26:08 | 70.30,-175.93 | 88.29 | 01/28/2025 | 23:27:19 | 70.19,-175.24 | 88.13 | 28.82 | 71 |
| 10 | 01/29/2025 | 00:16:45 | -69.93, -8.04 | 92.12 | 01/29/2025 | 00:16:52 | -69.92, -7.99 | 92.14 | 2.09 | 7 |
| 11 | 01/29/2025 | 01:07:28 | 69.78, 159.49 | 87.72 | 01/29/2025 | 01:06:19 | 69.80, 159.49 | 87.75 | 2.66 | 69 |
| 12 | 01/31/2025 | 15:42:57 | 69.96, -59.63 | 87.19 | 01/31/2025 | 15:43:48 | 69.99, -59.64 | 87.21 | 3.22 | 51 |
| 13 | 01/31/2025 | 16:33:39 | -69.85, 107.85 | 92.94 | 01/31/2025 | 16:33:19 | -69.83, 107.78 | 92.96 | 3.50 | 20 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/20/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/20/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9