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: 5/8/2025
| 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 | 05/10/2025 | 07:09:08 | -70.53,-112.00 | 127.24 | 05/10/2025 | 07:10:18 | -70.44,-110.84 | 127.36 | 44.19 | 70 |
| 2 | 05/10/2025 | 07:59:44 | 70.01, 56.13 | 52.22 | 05/10/2025 | 07:59:51 | 70.01, 56.19 | 52.21 | 2.27 | 7 |
| 3 | 05/10/2025 | 08:50:26 | -69.90,-136.39 | 127.91 | 05/10/2025 | 08:49:21 | -69.89,-136.34 | 127.91 | 2.27 | 65 |
| 4 | 05/12/2025 | 23:25:57 | -70.09, 4.46 | 128.37 | 05/12/2025 | 23:26:51 | -70.07, 4.51 | 128.40 | 3.31 | 54 |
| 5 | 05/13/2025 | 00:16:40 | 69.94, 171.99 | 51.47 | 05/13/2025 | 00:16:18 | 69.96, 172.01 | 51.49 | 2.30 | 22 |
| 6 | 05/13/2025 | 01:07:09 | -69.14, -19.53 | 129.36 | 05/13/2025 | 01:06:00 | -69.19, -21.40 | 129.27 | 74.33 | 69 |
| 7 | 05/15/2025 | 14:52:27 | 71.04, -48.62 | 51.99 | 05/15/2025 | 14:53:32 | 70.93, -45.96 | 51.81 | 97.15 | 65 |
| 8 | 05/15/2025 | 15:42:52 | -70.03, 120.32 | 129.08 | 05/15/2025 | 15:43:17 | -70.00, 120.30 | 129.11 | 3.36 | 25 |
| 9 | 05/15/2025 | 16:33:35 | 69.88, -72.15 | 50.77 | 05/15/2025 | 16:32:44 | 69.89, -72.21 | 50.78 | 2.31 | 51 |
| 10 | 05/18/2025 | 07:09:06 | 70.09, 68.68 | 50.40 | 05/18/2025 | 07:10:13 | 70.07, 68.65 | 50.36 | 3.26 | 67 |
| 11 | 05/18/2025 | 07:59:48 | -69.97,-123.83 | 129.74 | 05/18/2025 | 07:59:43 | -69.96,-123.87 | 129.76 | 2.51 | 5 |
| 12 | 05/18/2025 | 08:50:26 | 69.57, 44.09 | 49.84 | 05/18/2025 | 08:49:14 | 69.62, 43.31 | 49.92 | 30.66 | 72 |
| 13 | 05/20/2025 | 23:26:02 | 70.05,-175.49 | 49.79 | 05/20/2025 | 23:26:38 | 70.05,-175.49 | 49.78 | 0.08 | 36 |
| 14 | 05/21/2025 | 00:16:44 | -69.92, -7.98 | 130.35 | 05/21/2025 | 00:16:08 | -69.94, -8.00 | 130.34 | 1.95 | 36 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/8/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/08/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9