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: 5/3/2025
| 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 | 05/04/2025 | 23:25:51 | 70.10,-175.53 | 53.77 | 05/04/2025 | 23:26:56 | 70.09,-175.46 | 53.75 | 2.51 | 65 |
| 2 | 05/05/2025 | 00:16:33 | -69.99, -8.05 | 126.35 | 05/05/2025 | 00:16:26 | -69.98, -7.99 | 126.37 | 2.90 | 7 |
| 3 | 05/05/2025 | 01:07:10 | 69.51, 159.96 | 53.15 | 05/05/2025 | 01:05:59 | 69.54, 159.06 | 53.20 | 35.39 | 71 |
| 4 | 05/07/2025 | 15:42:47 | 70.02, -59.64 | 52.94 | 05/07/2025 | 15:43:24 | 70.04, -59.65 | 52.96 | 3.06 | 37 |
| 5 | 05/07/2025 | 16:33:29 | -69.91, 107.84 | 127.19 | 05/07/2025 | 16:32:54 | -69.93, 107.83 | 127.16 | 2.68 | 35 |
| 6 | 05/10/2025 | 07:09:08 | -70.52,-111.97 | 127.25 | 05/10/2025 | 07:10:19 | -70.40,-110.90 | 127.40 | 41.91 | 71 |
| 7 | 05/10/2025 | 07:59:44 | 70.00, 56.14 | 52.21 | 05/10/2025 | 07:59:51 | 70.02, 56.20 | 52.22 | 2.56 | 7 |
| 8 | 05/10/2025 | 08:50:25 | -69.89,-136.37 | 127.92 | 05/10/2025 | 08:49:20 | -69.91,-136.32 | 127.90 | 2.69 | 65 |
| 9 | 05/12/2025 | 23:25:56 | -70.09, 4.47 | 128.38 | 05/12/2025 | 23:26:50 | -70.07, 4.51 | 128.41 | 2.73 | 54 |
| 10 | 05/13/2025 | 00:16:39 | 69.94, 172.00 | 51.47 | 05/13/2025 | 00:16:17 | 69.95, 171.99 | 51.48 | 1.03 | 22 |
| 11 | 05/13/2025 | 01:07:07 | -69.08, -19.44 | 129.43 | 05/13/2025 | 01:05:59 | -69.18, -21.41 | 129.28 | 78.74 | 68 |
| 12 | 05/15/2025 | 14:52:26 | 71.00, -48.54 | 51.94 | 05/15/2025 | 14:53:32 | 70.90, -46.01 | 51.78 | 92.56 | 66 |
| 13 | 05/15/2025 | 15:42:52 | -70.03, 120.32 | 129.07 | 05/15/2025 | 15:43:16 | -70.02, 120.34 | 129.09 | 1.35 | 24 |
| 14 | 05/15/2025 | 16:33:35 | 69.89, -72.16 | 50.78 | 05/15/2025 | 16:32:43 | 69.91, -72.18 | 50.79 | 1.63 | 52 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/3/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/03/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9