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 | 23:27:09 | -70.05, 4.50 | 94.38 | 11/04/2025 | 23:27:37 | -70.04, 4.55 | 94.39 | 2.23 | 28 |
| 2 | 11/05/2025 | 00:17:53 | 69.91, 172.02 | 85.49 | 11/05/2025 | 00:17:05 | 69.88, 171.97 | 85.46 | 3.23 | 48 |
| 3 | 11/07/2025 | 14:53:28 | 70.10, -47.15 | 86.46 | 11/07/2025 | 14:54:39 | 70.08, -47.15 | 86.44 | 1.25 | 71 |
| 4 | 11/07/2025 | 15:44:09 | -69.97, 120.37 | 93.66 | 11/07/2025 | 15:44:09 | -69.98, 120.34 | 93.66 | 1.53 | 0 |
| 5 | 11/07/2025 | 16:34:51 | 69.72, -71.96 | 86.10 | 11/07/2025 | 16:33:38 | 69.76, -72.32 | 86.14 | 14.67 | 73 |
| 6 | 11/10/2025 | 07:10:28 | 70.03, 68.71 | 87.15 | 11/10/2025 | 07:11:10 | 70.05, 68.68 | 87.18 | 3.01 | 42 |
| 7 | 11/10/2025 | 08:01:10 | -69.95,-123.85 | 92.92 | 11/10/2025 | 08:00:40 | -69.95,-123.83 | 92.92 | 0.88 | 30 |
| 8 | 11/12/2025 | 22:36:55 | -70.73, 16.05 | 91.43 | 11/12/2025 | 22:38:04 | -70.60, 17.71 | 91.56 | 62.88 | 69 |
| 9 | 11/12/2025 | 23:27:28 | 70.02,-175.52 | 87.87 | 11/12/2025 | 23:27:40 | 69.99,-175.52 | 87.85 | 2.70 | 12 |
| 10 | 11/13/2025 | 00:18:09 | -69.89, -8.00 | 92.25 | 11/13/2025 | 00:17:10 | -69.89, -8.03 | 92.25 | 1.32 | 59 |
| 11 | 11/15/2025 | 14:53:44 | -70.09, 132.81 | 91.37 | 11/15/2025 | 14:54:43 | -70.08, 132.83 | 91.39 | 1.84 | 59 |
| 12 | 11/15/2025 | 15:44:28 | 69.96, -59.68 | 88.51 | 11/15/2025 | 15:44:10 | 69.96, -59.69 | 88.51 | 0.42 | 18 |
| 13 | 11/15/2025 | 16:34:59 | -69.30, 108.61 | 92.15 | 11/15/2025 | 16:33:49 | -69.37, 107.14 | 92.08 | 58.34 | 70 |
| 14 | 11/18/2025 | 07:10:44 | -70.04,-111.36 | 90.77 | 11/18/2025 | 07:11:13 | -70.03,-111.36 | 90.78 | 1.58 | 29 |
| 15 | 11/18/2025 | 08:01:28 | 69.91, 56.15 | 89.11 | 11/18/2025 | 08:00:40 | 69.91, 56.12 | 89.11 | 1.07 | 48 |
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