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: 5/25/2025
| 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 | 05/26/2025 | 07:09:10 | -70.09,-111.32 | 131.17 | 05/26/2025 | 07:10:15 | -70.10,-111.34 | 131.17 | 1.29 | 65 |
| 2 | 05/26/2025 | 07:59:54 | 69.99, 56.14 | 48.73 | 05/26/2025 | 07:59:42 | 70.00, 56.17 | 48.74 | 1.76 | 12 |
| 3 | 05/26/2025 | 08:50:29 | -69.51,-135.84 | 131.78 | 05/26/2025 | 08:49:18 | -69.55,-136.81 | 131.71 | 38.34 | 71 |
| 4 | 05/28/2025 | 23:26:06 | -70.05, 4.51 | 131.65 | 05/28/2025 | 23:26:44 | -70.03, 4.45 | 131.66 | 2.40 | 38 |
| 5 | 05/29/2025 | 00:16:50 | 69.95, 171.96 | 48.25 | 05/29/2025 | 00:16:11 | 69.93, 171.96 | 48.24 | 1.84 | 39 |
| 6 | 05/31/2025 | 14:52:27 | 70.49, -47.74 | 48.44 | 05/31/2025 | 14:53:37 | 70.40, -46.78 | 48.31 | 37.34 | 70 |
| 7 | 05/31/2025 | 15:43:02 | -70.01, 120.33 | 132.07 | 05/31/2025 | 15:43:12 | -70.01, 120.30 | 132.07 | 1.13 | 10 |
| 8 | 05/31/2025 | 16:33:46 | 69.92, -72.22 | 47.83 | 05/31/2025 | 16:32:39 | 69.91, -72.20 | 47.82 | 1.25 | 67 |
| 9 | 06/03/2025 | 07:09:15 | 70.09, 68.65 | 47.68 | 06/03/2025 | 07:10:09 | 70.08, 68.65 | 47.66 | 1.45 | 54 |
| 10 | 06/03/2025 | 07:59:57 | -69.98,-123.85 | 132.45 | 06/03/2025 | 07:59:39 | -69.97,-123.88 | 132.45 | 1.22 | 18 |
| 11 | 06/03/2025 | 08:50:26 | 69.09, 44.75 | 46.63 | 06/03/2025 | 08:49:19 | 69.14, 42.65 | 46.75 | 83.20 | 67 |
| 12 | 06/05/2025 | 23:26:11 | 70.07,-175.54 | 47.36 | 06/05/2025 | 23:26:36 | 70.08,-175.48 | 47.36 | 2.38 | 25 |
| 13 | 06/06/2025 | 00:16:53 | -69.95, -8.04 | 132.77 | 06/06/2025 | 00:16:06 | -69.97, -8.00 | 132.75 | 2.60 | 47 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/25/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/25/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9