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: 5/31/2025
| 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 | 05/31/2025 | 14:52:27 | 70.51, -47.77 | 48.46 | 05/31/2025 | 14:53:37 | 70.40, -46.64 | 48.31 | 43.64 | 70 |
| 2 | 05/31/2025 | 15:43:01 | -69.98, 120.37 | 132.10 | 05/31/2025 | 15:43:12 | -70.01, 120.42 | 132.08 | 3.32 | 11 |
| 3 | 05/31/2025 | 16:33:45 | 69.88, -72.17 | 47.79 | 05/31/2025 | 16:32:40 | 69.86, -72.15 | 47.77 | 3.00 | 65 |
| 4 | 06/03/2025 | 07:09:15 | 70.07, 68.70 | 47.65 | 06/03/2025 | 07:10:12 | 70.04, 68.72 | 47.61 | 3.21 | 57 |
| 5 | 06/03/2025 | 07:59:56 | -69.90,-123.74 | 132.52 | 06/03/2025 | 07:59:42 | -69.92,-123.81 | 132.51 | 3.35 | 14 |
| 6 | 06/03/2025 | 08:50:28 | 69.17, 44.64 | 46.71 | 06/03/2025 | 08:49:20 | 69.21, 42.87 | 46.81 | 70.15 | 68 |
| 7 | 06/05/2025 | 23:26:10 | 69.99,-175.42 | 47.28 | 06/05/2025 | 23:26:41 | 69.98,-175.48 | 47.26 | 2.62 | 31 |
| 8 | 06/06/2025 | 00:16:52 | -69.88, -7.94 | 132.84 | 06/06/2025 | 00:16:11 | -69.87, -8.00 | 132.86 | 3.03 | 41 |
| 9 | 06/08/2025 | 14:52:26 | -70.33, 132.51 | 132.61 | 06/08/2025 | 14:53:38 | -70.23, 133.12 | 132.75 | 25.98 | 72 |
| 10 | 06/08/2025 | 15:43:05 | 69.98, -59.62 | 47.01 | 06/08/2025 | 15:43:08 | 69.95, -59.62 | 46.99 | 2.34 | 3 |
| 11 | 06/08/2025 | 16:33:47 | -69.87, 107.86 | 133.11 | 06/08/2025 | 16:32:38 | -69.84, 107.86 | 133.12 | 2.29 | 69 |
| 12 | 06/11/2025 | 07:09:16 | -70.01,-111.21 | 133.16 | 06/11/2025 | 07:10:09 | -70.02,-111.28 | 133.15 | 2.86 | 53 |
| 13 | 06/11/2025 | 08:00:00 | 69.91, 56.24 | 46.74 | 06/11/2025 | 07:59:36 | 69.91, 56.21 | 46.74 | 1.27 | 24 |
| 14 | 06/11/2025 | 08:50:27 | -69.01,-135.14 | 134.20 | 06/11/2025 | 08:49:20 | -69.03,-137.33 | 134.10 | 87.61 | 67 |
| 15 | 06/13/2025 | 22:35:46 | 70.95,-164.27 | 47.69 | 06/13/2025 | 22:36:52 | 70.88,-161.74 | 47.54 | 92.32 | 66 |
| 16 | 06/13/2025 | 23:26:12 | -70.00, 4.57 | 133.31 | 06/13/2025 | 23:26:36 | -70.01, 4.60 | 133.31 | 1.76 | 24 |
| 17 | 06/14/2025 | 00:16:56 | 69.91, 172.02 | 46.59 | 06/14/2025 | 00:16:03 | 69.90, 172.09 | 46.58 | 2.67 | 53 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/31/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/31/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9