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: 5/9/2025
| 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 | -70.55,-112.03 | 127.22 | 05/10/2025 | 07:10:18 | -70.42,-110.87 | 127.38 | 45.54 | 70 |
| 2 | 05/10/2025 | 07:59:43 | 69.98, 56.18 | 52.18 | 05/10/2025 | 07:59:51 | 69.99, 56.16 | 52.19 | 1.71 | 8 |
| 3 | 05/10/2025 | 08:50:25 | -69.87,-136.35 | 127.94 | 05/10/2025 | 08:49:21 | -69.87,-136.37 | 127.93 | 0.95 | 64 |
| 4 | 05/12/2025 | 23:25:56 | -70.06, 4.51 | 128.40 | 05/12/2025 | 23:26:51 | -70.05, 4.49 | 128.42 | 1.08 | 55 |
| 5 | 05/13/2025 | 00:16:40 | 69.96, 171.97 | 51.49 | 05/13/2025 | 00:16:18 | 69.95, 171.99 | 51.47 | 1.82 | 22 |
| 6 | 05/13/2025 | 01:07:08 | -69.11, -19.48 | 129.40 | 05/13/2025 | 01:06:00 | -69.17, -21.43 | 129.29 | 77.25 | 68 |
| 7 | 05/15/2025 | 14:52:27 | 71.00, -48.56 | 51.95 | 05/15/2025 | 14:53:33 | 70.92, -45.97 | 51.80 | 94.23 | 66 |
| 8 | 05/15/2025 | 15:42:53 | -70.05, 120.29 | 129.06 | 05/15/2025 | 15:43:17 | -70.04, 120.36 | 129.07 | 2.69 | 24 |
| 9 | 05/15/2025 | 16:33:36 | 69.90, -72.18 | 50.79 | 05/15/2025 | 16:32:45 | 69.88, -72.22 | 50.77 | 3.19 | 51 |
| 10 | 05/18/2025 | 07:09:06 | 70.11, 68.65 | 50.41 | 05/18/2025 | 07:10:12 | 70.11, 68.72 | 50.41 | 2.64 | 66 |
| 11 | 05/18/2025 | 07:59:48 | -69.99,-123.85 | 129.72 | 05/18/2025 | 07:59:42 | -70.01,-123.80 | 129.71 | 2.48 | 6 |
| 12 | 05/18/2025 | 08:50:26 | 69.58, 44.06 | 49.85 | 05/18/2025 | 08:49:14 | 69.62, 43.31 | 49.91 | 29.62 | 72 |
| 13 | 05/20/2025 | 23:26:02 | 70.06,-175.51 | 49.80 | 05/20/2025 | 23:26:38 | 70.05,-175.49 | 49.78 | 1.65 | 36 |
| 14 | 05/21/2025 | 00:16:44 | -69.94, -8.01 | 130.34 | 05/21/2025 | 00:16:08 | -69.94, -8.00 | 130.33 | 0.31 | 36 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/9/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/09/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9