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: 5/14/2025
| 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 | 05/15/2025 | 14:52:28 | 71.04, -48.63 | 51.99 | 05/15/2025 | 14:53:33 | 70.94, -45.95 | 51.82 | 97.78 | 65 |
| 2 | 05/15/2025 | 15:42:53 | -70.04, 120.30 | 129.07 | 05/15/2025 | 15:43:17 | -70.05, 120.38 | 129.06 | 3.05 | 24 |
| 3 | 05/15/2025 | 16:33:36 | 69.89, -72.16 | 50.77 | 05/15/2025 | 16:32:45 | 69.90, -72.20 | 50.78 | 1.75 | 51 |
| 4 | 05/18/2025 | 07:09:06 | 70.10, 68.67 | 50.40 | 05/18/2025 | 07:10:13 | 70.09, 68.68 | 50.38 | 0.94 | 67 |
| 5 | 05/18/2025 | 07:59:48 | -69.98,-123.84 | 129.73 | 05/18/2025 | 07:59:43 | -69.97,-123.85 | 129.74 | 1.34 | 5 |
| 6 | 05/18/2025 | 08:50:26 | 69.57, 44.08 | 49.84 | 05/18/2025 | 08:49:14 | 69.64, 43.34 | 49.94 | 30.02 | 72 |
| 7 | 05/20/2025 | 23:26:02 | 70.04,-175.48 | 49.78 | 05/20/2025 | 23:26:39 | 70.03,-175.51 | 49.77 | 1.60 | 37 |
| 8 | 05/21/2025 | 00:16:44 | -69.93, -7.99 | 130.35 | 05/21/2025 | 00:16:09 | -69.92, -8.04 | 130.35 | 1.89 | 35 |
| 9 | 05/23/2025 | 14:52:22 | -70.51, 132.25 | 130.26 | 05/23/2025 | 14:53:32 | -70.39, 133.26 | 130.40 | 39.42 | 70 |
| 10 | 05/23/2025 | 15:42:58 | 70.00, -59.65 | 49.21 | 05/23/2025 | 15:43:04 | 70.01, -59.65 | 49.22 | 1.43 | 6 |
| 11 | 05/23/2025 | 16:33:40 | -69.88, 107.85 | 130.92 | 05/23/2025 | 16:32:34 | -69.90, 107.83 | 130.89 | 2.54 | 66 |
| 12 | 05/26/2025 | 07:09:11 | -70.10,-111.34 | 131.16 | 05/26/2025 | 07:10:02 | -70.08,-111.30 | 131.18 | 2.21 | 51 |
| 13 | 05/26/2025 | 07:59:54 | 69.96, 56.18 | 48.69 | 05/26/2025 | 07:59:29 | 69.97, 56.18 | 48.70 | 0.91 | 25 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/14/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/14/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9