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: 10/26/2025
| 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 | 23:26:51 | 70.05,-175.45 | 83.06 | 10/27/2025 | 23:27:32 | 70.02,-175.46 | 83.03 | 3.27 | 41 |
| 2 | 10/28/2025 | 00:17:32 | -69.91, -7.92 | 97.07 | 10/28/2025 | 00:17:02 | -69.91, -7.98 | 97.08 | 2.44 | 30 |
| 3 | 10/30/2025 | 14:53:15 | -70.50, 132.29 | 95.62 | 10/30/2025 | 14:54:26 | -70.41, 133.35 | 95.71 | 40.89 | 71 |
| 4 | 10/30/2025 | 15:43:52 | 70.00, -59.63 | 83.90 | 10/30/2025 | 15:43:59 | 69.97, -59.64 | 83.87 | 3.57 | 7 |
| 5 | 10/30/2025 | 16:34:33 | -69.87, 107.90 | 96.23 | 10/30/2025 | 16:33:29 | -69.86, 107.84 | 96.24 | 2.13 | 64 |
| 6 | 11/02/2025 | 07:10:08 | -70.04,-111.25 | 95.22 | 11/02/2025 | 07:10:58 | -70.06,-111.26 | 95.20 | 1.63 | 50 |
| 7 | 11/02/2025 | 08:00:53 | 69.96, 56.18 | 84.72 | 11/02/2025 | 08:00:25 | 69.94, 56.23 | 84.70 | 2.76 | 28 |
| 8 | 11/02/2025 | 08:51:17 | -68.93,-135.01 | 96.30 | 11/02/2025 | 08:50:11 | -68.96,-137.46 | 96.29 | 98.24 | 66 |
| 9 | 11/04/2025 | 22:36:37 | 70.62,-163.73 | 86.19 | 11/04/2025 | 22:37:46 | 70.55,-162.28 | 86.12 | 54.21 | 69 |
| 10 | 11/04/2025 | 23:27:09 | -70.01, 4.55 | 94.42 | 11/04/2025 | 23:27:24 | -70.00, 4.56 | 94.43 | 1.23 | 15 |
| 11 | 11/05/2025 | 00:17:53 | 69.88, 172.05 | 85.47 | 11/05/2025 | 00:16:51 | 69.89, 172.05 | 85.47 | 0.68 | 62 |
| 12 | 11/07/2025 | 14:53:27 | 70.08, -47.12 | 86.44 | 11/07/2025 | 14:54:18 | 70.08, -47.06 | 86.44 | 2.01 | 51 |
| 13 | 11/07/2025 | 15:44:08 | -69.94, 120.41 | 93.69 | 11/07/2025 | 15:43:49 | -69.92, 120.35 | 93.72 | 3.40 | 19 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/26/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/26/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9