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: 8/4/2025
| 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 | 08/06/2025 | 07:10:10 | 70.01, 68.65 | 53.40 | 08/06/2025 | 07:10:45 | 69.99, 68.64 | 53.38 | 1.80 | 35 |
| 2 | 08/06/2025 | 08:00:51 | -69.88,-123.84 | 126.73 | 08/06/2025 | 08:00:15 | -69.88,-123.88 | 126.72 | 1.69 | 36 |
| 3 | 08/08/2025 | 22:36:32 | -70.71, 16.01 | 125.12 | 08/08/2025 | 22:37:40 | -70.61, 17.77 | 125.29 | 65.87 | 68 |
| 4 | 08/08/2025 | 23:27:04 | 69.96,-175.50 | 54.10 | 08/08/2025 | 23:27:17 | 69.96,-175.53 | 54.10 | 1.42 | 13 |
| 5 | 08/09/2025 | 00:17:46 | -69.88, -8.06 | 125.98 | 08/09/2025 | 00:16:47 | -69.85, -8.05 | 126.00 | 3.00 | 59 |
| 6 | 08/11/2025 | 14:53:15 | -70.08, 132.78 | 125.00 | 08/11/2025 | 14:54:21 | -70.07, 132.86 | 125.03 | 3.43 | 66 |
| 7 | 08/11/2025 | 15:43:58 | 69.91, -59.65 | 54.83 | 08/11/2025 | 15:43:49 | 69.91, -59.73 | 54.83 | 2.93 | 9 |
| 8 | 08/11/2025 | 16:34:35 | -69.56, 108.18 | 125.52 | 08/11/2025 | 16:33:23 | -69.58, 107.46 | 125.47 | 28.13 | 72 |
| 9 | 08/14/2025 | 07:10:08 | -69.99,-111.30 | 124.29 | 08/14/2025 | 07:10:53 | -70.01,-111.36 | 124.28 | 3.24 | 45 |
| 10 | 08/14/2025 | 08:00:52 | 69.92, 56.11 | 55.66 | 08/14/2025 | 08:00:19 | 69.89, 56.13 | 55.63 | 3.22 | 33 |
| 11 | 08/16/2025 | 22:36:34 | 70.83,-164.17 | 57.43 | 08/16/2025 | 22:37:41 | 70.74,-162.04 | 57.26 | 78.82 | 67 |
| 12 | 08/16/2025 | 23:27:02 | -70.00, 4.46 | 123.44 | 08/16/2025 | 23:27:23 | -69.98, 4.48 | 123.47 | 2.05 | 21 |
| 13 | 08/17/2025 | 00:17:46 | 69.89, 171.94 | 56.46 | 08/17/2025 | 00:16:50 | 69.86, 171.97 | 56.44 | 2.58 | 56 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/4/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/04/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9