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: 5/2/2025
| 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 | 05/02/2025 | 07:09:09 | 70.90, 67.42 | 55.39 | 05/02/2025 | 07:10:16 | 70.78, 69.67 | 55.21 | 83.34 | 67 |
| 2 | 05/02/2025 | 07:59:36 | -70.01,-123.85 | 125.55 | 05/02/2025 | 07:59:58 | -70.01,-123.83 | 125.56 | 1.07 | 22 |
| 3 | 05/02/2025 | 08:50:20 | 69.90, 43.63 | 54.33 | 05/02/2025 | 08:49:25 | 69.91, 43.67 | 54.33 | 1.88 | 55 |
| 4 | 05/04/2025 | 23:25:51 | 70.08,-175.50 | 53.75 | 05/04/2025 | 23:26:57 | 70.06,-175.52 | 53.72 | 2.52 | 66 |
| 5 | 05/05/2025 | 00:16:33 | -69.97, -8.03 | 126.37 | 05/05/2025 | 00:16:27 | -69.94, -8.04 | 126.41 | 3.39 | 6 |
| 6 | 05/05/2025 | 01:07:10 | 69.50, 159.99 | 53.13 | 05/05/2025 | 01:05:59 | 69.56, 159.08 | 53.22 | 35.99 | 71 |
| 7 | 05/07/2025 | 15:42:47 | 70.05, -59.70 | 52.97 | 05/07/2025 | 15:43:23 | 70.06, -59.63 | 52.98 | 2.96 | 36 |
| 8 | 05/07/2025 | 16:33:29 | -69.94, 107.78 | 127.15 | 05/07/2025 | 16:32:53 | -69.95, 107.85 | 127.15 | 2.80 | 36 |
| 9 | 05/10/2025 | 07:09:08 | -70.55,-112.02 | 127.22 | 05/10/2025 | 07:10:18 | -70.41,-110.88 | 127.39 | 45.25 | 70 |
| 10 | 05/10/2025 | 07:59:43 | 69.99, 56.17 | 52.19 | 05/10/2025 | 07:59:51 | 69.97, 56.14 | 52.18 | 1.69 | 8 |
| 11 | 05/10/2025 | 08:50:25 | -69.87,-136.34 | 127.94 | 05/10/2025 | 08:49:21 | -69.87,-136.38 | 127.94 | 1.49 | 64 |
| 12 | 05/12/2025 | 23:25:56 | -70.07, 4.50 | 128.40 | 05/12/2025 | 23:26:50 | -70.07, 4.52 | 128.40 | 1.11 | 54 |
| 13 | 05/13/2025 | 00:16:40 | 69.98, 171.94 | 51.51 | 05/13/2025 | 00:16:17 | 69.96, 172.01 | 51.49 | 3.24 | 23 |
| 14 | 05/13/2025 | 01:07:08 | -69.12, -19.49 | 129.39 | 05/13/2025 | 01:06:00 | -69.14, -21.47 | 129.32 | 78.35 | 68 |
| 15 | 05/15/2025 | 14:52:26 | 70.98, -48.52 | 51.92 | 05/15/2025 | 14:53:32 | 70.90, -46.00 | 51.78 | 91.69 | 66 |
| 16 | 05/15/2025 | 15:42:52 | -70.02, 120.34 | 129.09 | 05/15/2025 | 15:43:16 | -70.03, 120.34 | 129.09 | 1.02 | 24 |
| 17 | 05/15/2025 | 16:33:36 | 69.93, -72.22 | 50.82 | 05/15/2025 | 16:32:43 | 69.91, -72.18 | 50.80 | 3.03 | 53 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/2/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/02/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9