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: 1/16/2025
| 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 | 01/18/2025 | 07:59:48 | 69.95, 56.17 | 90.43 | 01/18/2025 | 08:00:27 | 69.97, 56.18 | 90.44 | 1.94 | 39 |
| 2 | 01/18/2025 | 08:50:30 | -69.84,-136.35 | 89.70 | 01/18/2025 | 08:49:57 | -69.86,-136.34 | 89.68 | 2.13 | 33 |
| 3 | 01/20/2025 | 23:26:11 | -70.64, 3.55 | 89.41 | 01/20/2025 | 23:27:20 | -70.54, 5.24 | 89.58 | 63.70 | 69 |
| 4 | 01/21/2025 | 00:16:43 | 69.91, 171.99 | 89.82 | 01/21/2025 | 00:16:56 | 69.94, 172.02 | 89.84 | 3.12 | 13 |
| 5 | 01/21/2025 | 01:07:25 | -69.80, -20.53 | 90.31 | 01/21/2025 | 01:06:27 | -69.78, -20.57 | 90.32 | 3.02 | 58 |
| 6 | 01/23/2025 | 15:42:55 | -69.98, 120.34 | 90.71 | 01/23/2025 | 15:43:59 | -69.99, 120.33 | 90.72 | 1.00 | 64 |
| 7 | 01/23/2025 | 16:33:39 | 69.89, -72.21 | 89.18 | 01/23/2025 | 16:33:26 | 69.88, -72.19 | 89.17 | 1.50 | 13 |
| 8 | 01/23/2025 | 17:24:13 | -69.35, 95.89 | 91.39 | 01/23/2025 | 17:23:02 | -69.44, 94.86 | 91.25 | 41.83 | 71 |
| 9 | 01/26/2025 | 07:59:51 | -69.97,-123.87 | 91.39 | 01/26/2025 | 08:00:28 | -69.95,-123.85 | 91.41 | 1.87 | 37 |
| 10 | 01/26/2025 | 08:50:34 | 69.82, 43.66 | 88.46 | 01/26/2025 | 08:49:55 | 69.84, 43.64 | 88.48 | 1.89 | 39 |
| 11 | 01/28/2025 | 23:26:11 | 70.39,-176.07 | 88.38 | 01/28/2025 | 23:27:21 | 70.31,-175.09 | 88.24 | 38.08 | 70 |
| 12 | 01/29/2025 | 00:16:46 | -69.91, -8.01 | 92.15 | 01/29/2025 | 00:16:56 | -69.93, -7.99 | 92.13 | 2.75 | 10 |
| 13 | 01/29/2025 | 01:07:30 | 69.81, 159.44 | 87.75 | 01/29/2025 | 01:06:23 | 69.81, 159.49 | 87.76 | 2.11 | 67 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/16/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/16/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9