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: 8/24/2025
| 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 | 08/24/2025 | 23:27:01 | 70.00,-175.52 | 59.21 | 08/24/2025 | 23:27:23 | 69.97,-175.52 | 59.18 | 2.77 | 22 |
| 2 | 08/25/2025 | 00:17:42 | -69.86, -7.99 | 120.93 | 08/25/2025 | 00:16:53 | -69.86, -8.05 | 120.93 | 2.21 | 49 |
| 3 | 08/27/2025 | 14:53:13 | -70.20, 132.64 | 119.68 | 08/27/2025 | 14:54:24 | -70.13, 132.95 | 119.76 | 13.45 | 71 |
| 4 | 08/27/2025 | 15:43:54 | 69.93, -59.64 | 60.06 | 08/27/2025 | 15:43:53 | 69.92, -59.71 | 60.06 | 2.70 | 1 |
| 5 | 08/27/2025 | 16:34:36 | -69.83, 107.82 | 120.03 | 08/27/2025 | 16:33:22 | -69.86, 107.85 | 119.99 | 3.38 | 74 |
| 6 | 08/30/2025 | 07:10:04 | -70.02,-111.31 | 118.91 | 08/30/2025 | 07:10:55 | -70.01,-111.34 | 118.93 | 1.26 | 51 |
| 7 | 08/30/2025 | 08:00:48 | 69.91, 56.16 | 60.99 | 08/30/2025 | 08:00:22 | 69.91, 56.16 | 60.99 | 0.47 | 26 |
| 8 | 08/30/2025 | 08:51:13 | -68.91,-135.09 | 120.03 | 08/30/2025 | 08:50:07 | -68.97,-137.46 | 119.90 | 95.02 | 66 |
| 9 | 09/01/2025 | 23:26:58 | -70.01, 4.49 | 117.97 | 09/01/2025 | 23:27:24 | -69.99, 4.51 | 117.99 | 2.08 | 26 |
| 10 | 09/02/2025 | 00:17:41 | 69.85, 172.03 | 61.89 | 09/02/2025 | 00:16:51 | 69.88, 172.01 | 61.93 | 3.28 | 50 |
| 11 | 09/04/2025 | 14:53:10 | 70.16, -47.28 | 63.16 | 09/04/2025 | 14:54:21 | 70.11, -47.06 | 63.10 | 9.91 | 71 |
| 12 | 09/04/2025 | 15:43:50 | -69.94, 120.37 | 117.05 | 09/04/2025 | 15:43:52 | -69.95, 120.34 | 117.05 | 1.05 | 2 |
| 13 | 09/04/2025 | 16:34:32 | 69.74, -72.02 | 62.76 | 09/04/2025 | 16:33:20 | 69.78, -72.25 | 62.81 | 9.54 | 72 |
| 14 | 09/07/2025 | 07:10:02 | 70.05, 68.67 | 64.05 | 09/07/2025 | 07:10:50 | 70.04, 68.73 | 64.03 | 2.82 | 48 |
| 15 | 09/07/2025 | 08:00:44 | -69.94,-123.85 | 116.06 | 09/07/2025 | 08:00:20 | -69.94,-123.78 | 116.06 | 2.54 | 24 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/24/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/24/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9