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: 10/27/2025
| 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 | 10/27/2025 | 23:26:52 | 70.06,-175.47 | 83.08 | 10/27/2025 | 23:27:32 | 70.06,-175.40 | 83.07 | 2.48 | 40 |
| 2 | 10/28/2025 | 00:17:33 | -69.93, -7.95 | 97.05 | 10/28/2025 | 00:17:02 | -69.95, -7.93 | 97.04 | 1.95 | 31 |
| 3 | 10/30/2025 | 14:53:15 | -70.52, 132.26 | 95.60 | 10/30/2025 | 14:54:25 | -70.44, 133.40 | 95.67 | 43.03 | 70 |
| 4 | 10/30/2025 | 15:43:52 | 70.01, -59.65 | 83.91 | 10/30/2025 | 15:43:58 | 70.01, -59.58 | 83.90 | 2.51 | 6 |
| 5 | 10/30/2025 | 16:34:33 | -69.88, 107.87 | 96.21 | 10/30/2025 | 16:33:28 | -69.90, 107.89 | 96.20 | 1.75 | 65 |
| 6 | 11/02/2025 | 07:10:08 | -70.06,-111.27 | 95.20 | 11/02/2025 | 07:10:58 | -70.03,-111.30 | 95.23 | 2.83 | 50 |
| 7 | 11/02/2025 | 08:00:52 | 69.92, 56.24 | 84.68 | 11/02/2025 | 08:00:25 | 69.92, 56.19 | 84.67 | 1.97 | 27 |
| 8 | 11/02/2025 | 08:51:17 | -68.94,-135.03 | 96.29 | 11/02/2025 | 08:50:10 | -68.99,-137.43 | 96.26 | 95.95 | 67 |
| 9 | 11/04/2025 | 22:36:37 | 70.63,-163.74 | 86.20 | 11/04/2025 | 22:37:46 | 70.52,-162.33 | 86.09 | 54.05 | 69 |
| 10 | 11/04/2025 | 23:27:09 | -70.03, 4.53 | 94.41 | 11/04/2025 | 23:27:23 | -70.03, 4.60 | 94.41 | 2.45 | 14 |
| 11 | 11/05/2025 | 00:17:53 | 69.89, 172.04 | 85.48 | 11/05/2025 | 00:16:50 | 69.91, 172.08 | 85.49 | 2.68 | 63 |
| 12 | 11/07/2025 | 14:53:27 | 70.03, -47.05 | 86.39 | 11/07/2025 | 14:54:19 | 70.04, -47.12 | 86.40 | 2.84 | 52 |
| 13 | 11/07/2025 | 15:44:09 | -69.95, 120.40 | 93.68 | 11/07/2025 | 15:43:49 | -69.94, 120.37 | 93.70 | 2.09 | 20 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/27/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/27/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9