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: 5/30/2025
| 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 | 05/31/2025 | 14:52:26 | 70.48, -47.71 | 48.42 | 05/31/2025 | 14:53:37 | 70.35, -46.84 | 48.27 | 35.35 | 71 |
| 2 | 05/31/2025 | 15:43:01 | -70.00, 120.35 | 132.08 | 05/31/2025 | 15:43:11 | -70.01, 120.30 | 132.07 | 1.97 | 10 |
| 3 | 05/31/2025 | 16:33:45 | 69.90, -72.19 | 47.81 | 05/31/2025 | 16:32:38 | 69.91, -72.19 | 47.83 | 1.46 | 67 |
| 4 | 06/03/2025 | 07:09:15 | 70.09, 68.67 | 47.67 | 06/03/2025 | 07:10:09 | 70.08, 68.64 | 47.65 | 1.50 | 54 |
| 5 | 06/03/2025 | 07:59:57 | -69.98,-123.85 | 132.45 | 06/03/2025 | 07:59:39 | -69.96,-123.89 | 132.47 | 2.45 | 18 |
| 6 | 06/03/2025 | 08:50:26 | 69.08, 44.76 | 46.62 | 06/03/2025 | 08:49:19 | 69.14, 42.65 | 46.74 | 83.98 | 67 |
| 7 | 06/05/2025 | 23:26:11 | 70.07,-175.53 | 47.36 | 06/05/2025 | 23:26:36 | 70.05,-175.51 | 47.34 | 1.93 | 25 |
| 8 | 06/06/2025 | 00:16:53 | -69.96, -8.05 | 132.77 | 06/06/2025 | 00:16:06 | -69.94, -8.03 | 132.78 | 2.07 | 47 |
| 9 | 06/08/2025 | 14:52:24 | -70.20, 132.72 | 132.75 | 06/08/2025 | 14:53:35 | -70.17, 132.90 | 132.80 | 7.82 | 71 |
| 10 | 06/08/2025 | 15:43:06 | 70.00, -59.66 | 47.04 | 06/08/2025 | 15:43:03 | 70.01, -59.68 | 47.05 | 0.95 | 3 |
| 11 | 06/08/2025 | 16:33:47 | -69.84, 107.90 | 133.14 | 06/08/2025 | 16:32:34 | -69.84, 107.72 | 133.12 | 6.89 | 73 |
| 12 | 06/11/2025 | 07:09:17 | -70.09,-111.34 | 133.07 | 06/11/2025 | 07:10:01 | -70.11,-111.30 | 133.06 | 2.61 | 44 |
| 13 | 06/11/2025 | 08:00:01 | 70.00, 56.11 | 46.83 | 06/11/2025 | 07:59:28 | 70.00, 56.19 | 46.84 | 2.84 | 33 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/30/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/30/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9