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: 12/3/2025
| 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 | 12/04/2025 | 06:20:29 | 70.11, 81.15 | 92.28 | 12/04/2025 | 06:21:40 | 70.12, 81.14 | 92.29 | 1.09 | 71 |
| 2 | 12/04/2025 | 07:11:10 | -69.98,-111.34 | 87.85 | 12/04/2025 | 07:11:10 | -70.00,-111.39 | 87.83 | 3.24 | 0 |
| 3 | 12/04/2025 | 08:01:52 | 69.74, 56.33 | 91.91 | 12/04/2025 | 08:00:39 | 69.79, 55.96 | 91.97 | 15.71 | 73 |
| 4 | 12/06/2025 | 22:37:28 | 70.09,-163.05 | 92.59 | 12/06/2025 | 22:38:09 | 70.08,-163.04 | 92.57 | 1.22 | 41 |
| 5 | 12/06/2025 | 23:28:09 | -69.95, 4.47 | 87.55 | 12/06/2025 | 23:27:39 | -69.96, 4.44 | 87.54 | 1.72 | 30 |
| 6 | 12/09/2025 | 14:03:52 | -70.72, 144.39 | 86.50 | 12/09/2025 | 14:05:01 | -70.60, 145.97 | 86.63 | 59.42 | 69 |
| 7 | 12/09/2025 | 14:54:25 | 70.02, -47.19 | 92.80 | 12/09/2025 | 14:54:37 | 70.00, -47.26 | 92.78 | 3.15 | 12 |
| 8 | 12/09/2025 | 15:45:07 | -69.93, 120.26 | 87.29 | 12/09/2025 | 15:44:06 | -69.95, 120.30 | 87.28 | 2.26 | 61 |
| 9 | 12/12/2025 | 06:20:40 | -70.13, -98.91 | 86.87 | 12/12/2025 | 06:21:37 | -70.12, -98.85 | 86.89 | 2.45 | 57 |
| 10 | 12/12/2025 | 07:11:24 | 70.01, 68.59 | 93.01 | 12/12/2025 | 07:11:04 | 70.01, 68.64 | 93.01 | 2.00 | 20 |
| 11 | 12/12/2025 | 08:01:54 | -69.29,-123.03 | 87.73 | 12/12/2025 | 08:00:45 | -69.30,-124.70 | 87.70 | 65.74 | 69 |
| 12 | 12/14/2025 | 22:37:38 | -70.07, 16.95 | 86.76 | 12/14/2025 | 22:38:04 | -70.10, 17.01 | 86.74 | 3.29 | 26 |
| 13 | 12/14/2025 | 23:28:22 | 69.96,-175.57 | 93.13 | 12/14/2025 | 23:27:31 | 69.98,-175.51 | 93.15 | 3.47 | 51 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/3/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 12/03/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9