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: 6/18/2025
| 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 | 06/19/2025 | 07:09:23 | 70.07, 68.68 | 46.61 | 06/19/2025 | 07:10:23 | 70.05, 68.72 | 46.57 | 2.83 | 60 |
| 2 | 06/19/2025 | 08:00:04 | -69.93,-123.78 | 133.55 | 06/19/2025 | 07:59:53 | -69.94,-123.81 | 133.54 | 1.40 | 11 |
| 3 | 06/19/2025 | 08:50:38 | 69.27, 44.48 | 45.77 | 06/19/2025 | 08:49:29 | 69.34, 43.02 | 45.89 | 57.76 | 69 |
| 4 | 06/21/2025 | 23:26:23 | 70.00,-175.46 | 46.52 | 06/21/2025 | 23:26:55 | 69.98,-175.51 | 46.50 | 2.87 | 32 |
| 5 | 06/22/2025 | 00:17:05 | -69.90, -8.00 | 133.58 | 06/22/2025 | 00:16:24 | -69.92, -7.95 | 133.56 | 2.81 | 41 |
| 6 | 06/24/2025 | 14:52:44 | -70.31, 132.50 | 133.10 | 06/24/2025 | 14:53:56 | -70.21, 133.07 | 133.23 | 23.91 | 72 |
| 7 | 06/24/2025 | 15:43:23 | 69.93, -59.60 | 46.50 | 06/24/2025 | 15:43:26 | 69.94, -59.68 | 46.51 | 3.31 | 3 |
| 8 | 06/24/2025 | 16:34:05 | -69.83, 107.85 | 133.60 | 06/24/2025 | 16:32:56 | -69.83, 107.81 | 133.59 | 1.71 | 69 |
| 9 | 06/27/2025 | 07:09:40 | -70.04,-111.33 | 133.30 | 06/27/2025 | 07:10:29 | -70.05,-111.28 | 133.29 | 2.71 | 49 |
| 10 | 06/27/2025 | 08:00:24 | 69.91, 56.17 | 46.58 | 06/27/2025 | 07:59:57 | 69.89, 56.13 | 46.55 | 3.26 | 27 |
| 11 | 06/27/2025 | 08:50:49 | -68.92,-135.09 | 134.46 | 06/27/2025 | 08:49:42 | -68.96,-137.48 | 134.33 | 95.47 | 67 |
| 12 | 06/29/2025 | 22:36:11 | 70.80,-164.12 | 47.66 | 06/29/2025 | 22:37:18 | 70.69,-162.10 | 47.46 | 75.17 | 67 |
| 13 | 06/29/2025 | 23:26:39 | -69.98, 4.51 | 133.22 | 06/29/2025 | 23:26:59 | -69.99, 4.51 | 133.21 | 1.27 | 20 |
| 14 | 06/30/2025 | 00:17:23 | 69.85, 172.00 | 46.66 | 06/30/2025 | 00:16:26 | 69.87, 171.99 | 46.68 | 1.96 | 57 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/18/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/18/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9