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: 11/22/2025
| 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 | 11/23/2025 | 14:53:59 | 70.04, -47.15 | 90.40 | 11/23/2025 | 14:54:37 | 70.02, -47.23 | 90.39 | 3.40 | 38 |
| 2 | 11/23/2025 | 15:44:41 | -69.97, 120.27 | 89.66 | 11/23/2025 | 15:44:06 | -69.96, 120.32 | 89.67 | 1.99 | 35 |
| 3 | 11/26/2025 | 06:20:24 | -70.64, -99.65 | 88.47 | 11/26/2025 | 06:21:33 | -70.54, -98.24 | 88.58 | 53.32 | 69 |
| 4 | 11/26/2025 | 07:10:59 | 70.03, 68.61 | 90.92 | 11/26/2025 | 07:11:08 | 70.00, 68.62 | 90.89 | 3.32 | 9 |
| 5 | 11/26/2025 | 08:01:40 | -69.91,-123.87 | 89.20 | 11/26/2025 | 08:00:38 | -69.89,-123.90 | 89.22 | 1.68 | 62 |
| 6 | 11/28/2025 | 22:37:14 | -70.11, 16.94 | 88.53 | 11/28/2025 | 22:38:11 | -70.12, 17.02 | 88.52 | 3.05 | 57 |
| 7 | 11/28/2025 | 23:27:58 | 69.98,-175.55 | 91.35 | 11/28/2025 | 23:27:39 | 69.96,-175.57 | 91.33 | 2.50 | 19 |
| 8 | 11/29/2025 | 00:18:28 | -69.27, -7.18 | 89.36 | 11/29/2025 | 00:17:19 | -69.30, -8.83 | 89.33 | 64.71 | 69 |
| 9 | 12/01/2025 | 14:54:13 | -70.07, 132.78 | 88.15 | 12/01/2025 | 14:54:42 | -70.06, 132.80 | 88.15 | 1.33 | 29 |
| 10 | 12/01/2025 | 15:44:57 | 69.94, -59.72 | 91.73 | 12/01/2025 | 15:44:09 | 69.95, -59.71 | 91.74 | 1.37 | 48 |
| 11 | 12/04/2025 | 06:20:30 | 70.16, 81.07 | 92.33 | 12/04/2025 | 06:21:41 | 70.13, 81.15 | 92.29 | 4.93 | 71 |
| 12 | 12/04/2025 | 07:11:11 | -70.02,-111.40 | 87.81 | 12/04/2025 | 07:11:11 | -70.03,-111.36 | 87.81 | 1.38 | 0 |
| 13 | 12/04/2025 | 08:01:52 | 69.74, 56.34 | 91.91 | 12/04/2025 | 08:00:40 | 69.80, 55.97 | 91.98 | 15.79 | 72 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/22/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/22/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9