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: 5/17/2025
| 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 | 05/18/2025 | 07:09:07 | 70.10, 68.66 | 50.41 | 05/18/2025 | 07:10:17 | 70.12, 68.71 | 50.41 | 2.42 | 70 |
| 2 | 05/18/2025 | 07:59:49 | -70.00,-123.86 | 129.72 | 05/18/2025 | 07:59:47 | -70.00,-123.83 | 129.71 | 1.43 | 2 |
| 3 | 05/18/2025 | 08:50:29 | 69.68, 43.92 | 49.96 | 05/18/2025 | 08:49:17 | 69.74, 43.45 | 50.03 | 18.82 | 72 |
| 4 | 05/20/2025 | 23:26:02 | 70.06,-175.50 | 49.80 | 05/20/2025 | 23:26:45 | 70.06,-175.50 | 49.79 | 0.23 | 43 |
| 5 | 05/21/2025 | 00:16:44 | -69.94, -8.01 | 130.33 | 05/21/2025 | 00:16:15 | -69.94, -8.03 | 130.33 | 0.55 | 29 |
| 6 | 05/23/2025 | 14:52:27 | -70.79, 131.79 | 129.96 | 05/23/2025 | 14:53:35 | -70.73, 133.72 | 130.07 | 70.82 | 68 |
| 7 | 05/23/2025 | 15:42:58 | 70.01, -59.67 | 49.23 | 05/23/2025 | 15:43:13 | 70.02, -59.67 | 49.24 | 1.10 | 15 |
| 8 | 05/23/2025 | 16:33:40 | -69.90, 107.82 | 130.90 | 05/23/2025 | 16:32:43 | -69.91, 107.81 | 130.88 | 1.59 | 57 |
| 9 | 05/26/2025 | 07:09:10 | -70.07,-111.30 | 131.19 | 05/26/2025 | 07:10:14 | -70.07,-111.36 | 131.19 | 2.59 | 64 |
| 10 | 05/26/2025 | 07:59:54 | 69.98, 56.15 | 48.72 | 05/26/2025 | 07:59:41 | 69.96, 56.13 | 48.70 | 2.14 | 13 |
| 11 | 05/26/2025 | 08:50:28 | -69.44,-135.74 | 131.85 | 05/26/2025 | 08:49:17 | -69.52,-136.84 | 131.73 | 44.11 | 71 |
| 12 | 05/28/2025 | 23:26:06 | -70.04, 4.52 | 131.65 | 05/28/2025 | 23:26:41 | -70.04, 4.48 | 131.66 | 1.60 | 35 |
| 13 | 05/29/2025 | 00:16:50 | 69.95, 171.96 | 48.26 | 05/29/2025 | 00:16:08 | 69.93, 171.96 | 48.23 | 2.86 | 42 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/17/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/17/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9