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: 11/4/2025
| 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 | 11/04/2025 | 23:27:08 | -70.01, 4.55 | 94.42 | 11/04/2025 | 23:27:37 | -70.02, 4.53 | 94.41 | 1.73 | 29 |
| 2 | 11/05/2025 | 00:17:53 | 69.92, 171.99 | 85.51 | 11/05/2025 | 00:17:04 | 69.92, 172.03 | 85.50 | 1.28 | 49 |
| 3 | 11/07/2025 | 14:53:28 | 70.11, -47.17 | 86.47 | 11/07/2025 | 14:54:38 | 70.12, -47.09 | 86.48 | 3.09 | 70 |
| 4 | 11/07/2025 | 15:44:09 | -69.99, 120.34 | 93.65 | 11/07/2025 | 15:44:09 | -69.96, 120.31 | 93.68 | 2.99 | 0 |
| 5 | 11/07/2025 | 16:34:50 | 69.69, -71.90 | 86.07 | 11/07/2025 | 16:33:38 | 69.74, -72.35 | 86.12 | 18.13 | 72 |
| 6 | 11/10/2025 | 07:10:28 | 70.05, 68.69 | 87.17 | 11/10/2025 | 07:11:10 | 70.03, 68.65 | 87.15 | 2.16 | 42 |
| 7 | 11/10/2025 | 08:01:09 | -69.92,-123.80 | 92.95 | 11/10/2025 | 08:00:40 | -69.93,-123.86 | 92.94 | 2.62 | 29 |
| 8 | 11/12/2025 | 22:36:55 | -70.70, 16.10 | 91.46 | 11/12/2025 | 22:38:04 | -70.63, 17.76 | 91.53 | 61.34 | 69 |
| 9 | 11/12/2025 | 23:27:29 | 70.04,-175.55 | 87.89 | 11/12/2025 | 23:27:40 | 70.02,-175.48 | 87.88 | 3.05 | 11 |
| 10 | 11/13/2025 | 00:18:10 | -69.91, -8.03 | 92.23 | 11/13/2025 | 00:17:10 | -69.92, -7.99 | 92.22 | 2.35 | 60 |
| 11 | 11/15/2025 | 14:53:43 | -70.06, 132.86 | 91.40 | 11/15/2025 | 14:54:43 | -70.05, 132.79 | 91.42 | 2.96 | 60 |
| 12 | 11/15/2025 | 15:44:28 | 69.98, -59.71 | 88.53 | 11/15/2025 | 15:44:09 | 69.99, -59.65 | 88.53 | 2.47 | 19 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/4/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/04/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9