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: 4/25/2025
| 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 | 04/26/2025 | 23:25:43 | -70.14, 4.44 | 123.77 | 04/26/2025 | 23:26:55 | -70.11, 4.59 | 123.81 | 6.18 | 72 |
| 2 | 04/27/2025 | 00:16:26 | 69.97, 172.00 | 56.05 | 04/27/2025 | 00:16:23 | 69.95, 172.01 | 56.03 | 1.90 | 3 |
| 3 | 04/27/2025 | 01:07:06 | -69.77, -20.38 | 124.18 | 04/27/2025 | 01:05:54 | -69.78, -20.60 | 124.15 | 8.48 | 72 |
| 4 | 04/29/2025 | 15:42:39 | -70.02, 120.38 | 124.73 | 04/29/2025 | 15:43:21 | -70.02, 120.35 | 124.74 | 1.02 | 42 |
| 5 | 04/29/2025 | 16:33:23 | 69.91, -72.15 | 55.15 | 04/29/2025 | 16:32:48 | 69.91, -72.16 | 55.15 | 0.37 | 35 |
| 6 | 05/02/2025 | 07:09:00 | 70.44, 68.16 | 54.91 | 05/02/2025 | 07:10:10 | 70.33, 69.05 | 54.76 | 35.75 | 70 |
| 7 | 05/02/2025 | 07:59:35 | -69.97,-123.78 | 125.60 | 05/02/2025 | 07:59:44 | -70.00,-123.79 | 125.57 | 3.00 | 9 |
| 8 | 05/02/2025 | 08:50:19 | 69.87, 43.68 | 54.29 | 05/02/2025 | 08:49:11 | 69.88, 43.70 | 54.31 | 2.05 | 68 |
| 9 | 05/04/2025 | 23:25:50 | 70.04,-175.44 | 53.71 | 05/04/2025 | 23:26:38 | 70.04,-175.46 | 53.70 | 0.69 | 48 |
| 10 | 05/05/2025 | 00:16:32 | -69.93, -7.95 | 126.42 | 05/05/2025 | 00:16:08 | -69.93, -7.98 | 126.42 | 1.07 | 24 |
| 11 | 05/07/2025 | 14:52:16 | -70.78, 131.83 | 126.26 | 05/07/2025 | 14:53:24 | -70.65, 133.69 | 126.44 | 69.71 | 68 |
| 12 | 05/07/2025 | 15:42:47 | 70.01, -59.63 | 52.93 | 05/07/2025 | 15:43:01 | 69.99, -59.63 | 52.90 | 2.46 | 14 |
| 13 | 05/07/2025 | 16:33:29 | -69.89, 107.86 | 127.21 | 05/07/2025 | 16:32:31 | -69.88, 107.85 | 127.21 | 1.45 | 58 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/25/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/25/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9