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: 5/5/2025
| 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 | 05/07/2025 | 15:42:47 | 70.01, -59.64 | 52.93 | 05/07/2025 | 15:43:24 | 70.05, -59.64 | 52.96 | 3.64 | 37 |
| 2 | 05/07/2025 | 16:33:29 | -69.91, 107.84 | 127.19 | 05/07/2025 | 16:32:54 | -69.93, 107.83 | 127.16 | 2.64 | 35 |
| 3 | 05/10/2025 | 07:09:08 | -70.51,-111.96 | 127.26 | 05/10/2025 | 07:10:19 | -70.41,-110.89 | 127.40 | 41.71 | 71 |
| 4 | 05/10/2025 | 07:59:44 | 70.00, 56.15 | 52.20 | 05/10/2025 | 07:59:52 | 69.97, 56.13 | 52.17 | 2.98 | 8 |
| 5 | 05/10/2025 | 08:50:25 | -69.89,-136.36 | 127.93 | 05/10/2025 | 08:49:21 | -69.86,-136.39 | 127.95 | 3.18 | 64 |
| 6 | 05/12/2025 | 23:25:56 | -70.08, 4.48 | 128.39 | 05/12/2025 | 23:26:50 | -70.08, 4.53 | 128.39 | 1.68 | 54 |
| 7 | 05/13/2025 | 00:16:39 | 69.93, 172.01 | 51.46 | 05/13/2025 | 00:16:18 | 69.91, 171.94 | 51.44 | 3.42 | 21 |
| 8 | 05/13/2025 | 01:07:08 | -69.13, -19.50 | 129.38 | 05/13/2025 | 01:06:00 | -69.14, -21.46 | 129.32 | 77.57 | 68 |
| 9 | 05/15/2025 | 14:52:27 | 71.03, -48.60 | 51.98 | 05/15/2025 | 14:53:32 | 70.93, -45.97 | 51.81 | 96.24 | 65 |
| 10 | 05/15/2025 | 15:42:52 | -70.02, 120.34 | 129.09 | 05/15/2025 | 15:43:17 | -70.00, 120.30 | 129.12 | 2.96 | 25 |
| 11 | 05/15/2025 | 16:33:36 | 69.93, -72.21 | 50.81 | 05/15/2025 | 16:32:43 | 69.94, -72.14 | 50.82 | 3.01 | 53 |
| 12 | 05/18/2025 | 07:09:06 | 70.09, 68.68 | 50.39 | 05/18/2025 | 07:10:12 | 70.09, 68.69 | 50.39 | 0.69 | 66 |
| 13 | 05/18/2025 | 07:59:48 | -69.97,-123.81 | 129.75 | 05/18/2025 | 07:59:42 | -69.99,-123.82 | 129.73 | 2.47 | 6 |
| 14 | 05/18/2025 | 08:50:25 | 69.51, 44.17 | 49.78 | 05/18/2025 | 08:49:14 | 69.60, 43.28 | 49.89 | 35.87 | 71 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/5/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/05/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9