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: 7/4/2025
| 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 | 07/05/2025 | 07:09:58 | 69.99, 68.68 | 47.23 | 07/05/2025 | 07:10:30 | 70.01, 68.67 | 47.24 | 2.16 | 32 |
| 2 | 07/05/2025 | 08:00:40 | -69.92,-123.89 | 132.85 | 07/05/2025 | 08:00:00 | -69.90,-123.85 | 132.87 | 2.58 | 40 |
| 3 | 07/07/2025 | 22:36:19 | -70.34, 16.58 | 132.13 | 07/07/2025 | 22:37:30 | -70.23, 17.23 | 132.27 | 27.26 | 71 |
| 4 | 07/07/2025 | 23:26:58 | 69.94,-175.50 | 47.46 | 07/07/2025 | 23:27:00 | 69.96,-175.51 | 47.48 | 2.21 | 2 |
| 5 | 07/08/2025 | 00:17:40 | -69.86, -8.06 | 132.62 | 07/08/2025 | 00:16:30 | -69.85, -8.03 | 132.63 | 1.95 | 70 |
| 6 | 07/10/2025 | 14:53:13 | -70.03, 132.81 | 132.12 | 07/10/2025 | 14:54:02 | -70.00, 132.79 | 132.16 | 3.09 | 49 |
| 7 | 07/10/2025 | 15:43:57 | 69.89, -59.68 | 47.74 | 07/10/2025 | 15:43:29 | 69.89, -59.72 | 47.74 | 1.71 | 28 |
| 8 | 07/13/2025 | 06:19:43 | 70.70, 80.19 | 48.96 | 07/13/2025 | 06:20:51 | 70.63, 81.96 | 48.81 | 65.62 | 68 |
| 9 | 07/13/2025 | 07:10:13 | -69.99,-111.37 | 131.79 | 07/13/2025 | 07:10:31 | -69.98,-111.36 | 131.81 | 1.04 | 18 |
| 10 | 07/13/2025 | 08:00:57 | 69.85, 56.14 | 48.07 | 07/13/2025 | 07:59:58 | 69.87, 56.13 | 48.09 | 1.39 | 59 |
| 11 | 07/15/2025 | 22:36:31 | 70.03,-163.00 | 48.67 | 07/15/2025 | 22:37:30 | 70.04,-163.02 | 48.67 | 1.11 | 59 |
| 12 | 07/15/2025 | 23:27:13 | -69.95, 4.44 | 131.42 | 07/15/2025 | 23:27:00 | -69.94, 4.48 | 131.43 | 1.77 | 13 |
| 13 | 07/16/2025 | 00:17:46 | 69.23, 172.79 | 47.84 | 07/16/2025 | 00:16:37 | 69.27, 171.21 | 47.95 | 62.42 | 69 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/4/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/04/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9