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: 11/24/2025
| 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 | 11/26/2025 | 06:20:23 | -70.60, -99.58 | 88.52 | 11/26/2025 | 06:21:33 | -70.52, -98.28 | 88.60 | 49.09 | 70 |
| 2 | 11/26/2025 | 07:10:59 | 70.04, 68.61 | 90.93 | 11/26/2025 | 07:11:07 | 70.04, 68.67 | 90.93 | 2.37 | 8 |
| 3 | 11/26/2025 | 08:01:40 | -69.91,-123.89 | 89.19 | 11/26/2025 | 08:00:37 | -69.92,-123.86 | 89.18 | 1.72 | 63 |
| 4 | 11/28/2025 | 22:37:13 | -70.07, 17.01 | 88.57 | 11/28/2025 | 22:38:11 | -70.09, 16.97 | 88.56 | 2.15 | 58 |
| 5 | 11/28/2025 | 23:27:58 | 69.99,-175.56 | 91.36 | 11/28/2025 | 23:27:38 | 69.98,-175.53 | 91.35 | 1.23 | 20 |
| 6 | 11/29/2025 | 00:18:27 | -69.23, -7.12 | 89.41 | 11/29/2025 | 00:17:18 | -69.32, -8.80 | 89.31 | 66.82 | 69 |
| 7 | 12/01/2025 | 14:54:13 | -70.08, 132.76 | 88.13 | 12/01/2025 | 14:54:41 | -70.06, 132.82 | 88.15 | 2.70 | 28 |
| 8 | 12/01/2025 | 15:44:57 | 69.95, -59.74 | 91.75 | 12/01/2025 | 15:44:08 | 69.96, -59.69 | 91.75 | 2.03 | 49 |
| 9 | 12/04/2025 | 06:20:29 | 70.12, 81.13 | 92.30 | 12/04/2025 | 06:21:40 | 70.12, 81.14 | 92.29 | 0.64 | 71 |
| 10 | 12/04/2025 | 07:11:11 | -70.04,-111.42 | 87.79 | 12/04/2025 | 07:11:10 | -70.02,-111.37 | 87.82 | 3.08 | 1 |
| 11 | 12/04/2025 | 08:01:52 | 69.75, 56.31 | 91.93 | 12/04/2025 | 08:00:39 | 69.79, 55.96 | 91.97 | 14.31 | 73 |
| 12 | 12/06/2025 | 22:37:28 | 70.10,-163.07 | 92.60 | 12/06/2025 | 22:38:09 | 70.10,-163.01 | 92.60 | 2.36 | 41 |
| 13 | 12/06/2025 | 23:28:09 | -69.95, 4.47 | 87.55 | 12/06/2025 | 23:27:40 | -69.94, 4.40 | 87.56 | 2.70 | 29 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/24/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/24/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9