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: 11/2/2025
| 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 | 23:27:09 | -70.04, 4.51 | 94.39 | 11/04/2025 | 23:27:37 | -70.05, 4.57 | 94.38 | 2.65 | 28 |
| 2 | 11/05/2025 | 00:17:53 | 69.90, 172.03 | 85.49 | 11/05/2025 | 00:17:05 | 69.89, 171.99 | 85.47 | 1.90 | 48 |
| 3 | 11/07/2025 | 14:53:28 | 70.09, -47.14 | 86.45 | 11/07/2025 | 14:54:39 | 70.10, -47.13 | 86.46 | 0.81 | 71 |
| 4 | 11/07/2025 | 15:44:10 | -70.01, 120.30 | 93.62 | 11/07/2025 | 15:44:09 | -69.99, 120.36 | 93.64 | 3.24 | 1 |
| 5 | 11/07/2025 | 16:34:51 | 69.72, -71.95 | 86.10 | 11/07/2025 | 16:33:38 | 69.77, -72.30 | 86.15 | 14.98 | 73 |
| 6 | 11/10/2025 | 07:10:29 | 70.07, 68.64 | 87.20 | 11/10/2025 | 07:11:10 | 70.07, 68.70 | 87.19 | 2.48 | 41 |
| 7 | 11/10/2025 | 08:01:10 | -69.94,-123.84 | 92.93 | 11/10/2025 | 08:00:40 | -69.97,-123.80 | 92.91 | 2.93 | 30 |
| 8 | 11/12/2025 | 22:36:55 | -70.72, 16.06 | 91.43 | 11/12/2025 | 22:38:04 | -70.62, 17.74 | 91.54 | 62.82 | 69 |
| 9 | 11/12/2025 | 23:27:28 | 70.01,-175.51 | 87.87 | 11/12/2025 | 23:27:40 | 70.01,-175.50 | 87.86 | 0.39 | 12 |
| 10 | 11/13/2025 | 00:18:10 | -69.93, -8.07 | 92.21 | 11/13/2025 | 00:17:10 | -69.91, -8.00 | 92.23 | 3.17 | 60 |
| 11 | 11/15/2025 | 14:53:44 | -70.09, 132.82 | 91.38 | 11/15/2025 | 14:54:43 | -70.10, 132.87 | 91.36 | 2.50 | 59 |
| 12 | 11/15/2025 | 15:44:28 | 69.95, -59.67 | 88.50 | 11/15/2025 | 15:44:10 | 69.98, -59.66 | 88.53 | 3.48 | 18 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/2/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/02/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9