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: 6/24/2025
| 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 | 06/24/2025 | 14:52:44 | -70.34, 132.46 | 133.07 | 06/24/2025 | 14:53:55 | -70.24, 133.11 | 133.20 | 26.77 | 71 |
| 2 | 06/24/2025 | 15:43:23 | 69.95, -59.63 | 46.52 | 06/24/2025 | 15:43:26 | 69.93, -59.70 | 46.50 | 3.38 | 3 |
| 3 | 06/24/2025 | 16:34:05 | -69.86, 107.81 | 133.57 | 06/24/2025 | 16:32:55 | -69.87, 107.85 | 133.56 | 1.70 | 70 |
| 4 | 06/27/2025 | 07:09:40 | -70.06,-111.36 | 133.27 | 06/27/2025 | 07:10:29 | -70.04,-111.30 | 133.30 | 3.25 | 49 |
| 5 | 06/27/2025 | 08:00:24 | 69.93, 56.14 | 46.60 | 06/27/2025 | 07:59:56 | 69.94, 56.20 | 46.60 | 2.29 | 28 |
| 6 | 06/27/2025 | 08:50:48 | -68.89,-135.05 | 134.49 | 06/27/2025 | 08:49:42 | -68.95,-137.50 | 134.34 | 97.94 | 66 |
| 7 | 06/29/2025 | 22:36:12 | 70.82,-164.14 | 47.67 | 06/29/2025 | 22:37:19 | 70.70,-162.09 | 47.47 | 76.19 | 67 |
| 8 | 06/29/2025 | 23:26:40 | -70.00, 4.49 | 133.20 | 06/29/2025 | 23:27:00 | -69.99, 4.50 | 133.21 | 1.24 | 20 |
| 9 | 06/30/2025 | 00:17:24 | 69.87, 171.99 | 46.67 | 06/30/2025 | 00:16:27 | 69.88, 172.00 | 46.69 | 1.35 | 57 |
| 10 | 07/02/2025 | 14:52:58 | 70.02, -47.12 | 47.02 | 07/02/2025 | 14:54:01 | 70.02, -47.20 | 47.01 | 2.97 | 63 |
| 11 | 07/02/2025 | 15:43:40 | -69.93, 120.33 | 133.07 | 07/02/2025 | 15:43:31 | -69.92, 120.29 | 133.09 | 2.27 | 9 |
| 12 | 07/02/2025 | 16:34:15 | 69.33, -71.48 | 46.30 | 07/02/2025 | 16:33:05 | 69.42, -72.75 | 46.45 | 50.82 | 70 |
| 13 | 07/05/2025 | 07:09:58 | 70.02, 68.64 | 47.25 | 07/05/2025 | 07:10:30 | 69.99, 68.64 | 47.22 | 2.92 | 32 |
| 14 | 07/05/2025 | 08:00:39 | -69.88,-123.83 | 132.89 | 07/05/2025 | 08:00:00 | -69.89,-123.87 | 132.88 | 1.96 | 39 |
| 15 | 07/07/2025 | 22:36:19 | -70.35, 16.56 | 132.12 | 07/07/2025 | 22:37:30 | -70.23, 17.22 | 132.28 | 28.25 | 71 |
| 16 | 07/07/2025 | 23:26:58 | 69.96,-175.53 | 47.48 | 07/07/2025 | 23:27:00 | 69.94,-175.54 | 47.46 | 1.99 | 2 |
| 17 | 07/08/2025 | 00:17:39 | -69.82, -8.00 | 132.67 | 07/08/2025 | 00:16:30 | -69.85, -8.04 | 132.63 | 3.25 | 69 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/24/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/24/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9