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: 6/13/2025
| 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 | 06/13/2025 | 23:26:12 | -70.03, 4.53 | 133.28 | 06/13/2025 | 23:26:50 | -70.04, 4.58 | 133.29 | 2.00 | 38 |
| 2 | 06/14/2025 | 00:16:55 | 69.87, 172.08 | 46.55 | 06/14/2025 | 00:16:18 | 69.88, 172.01 | 46.57 | 3.34 | 37 |
| 3 | 06/16/2025 | 14:52:36 | 70.66, -48.01 | 47.28 | 06/16/2025 | 14:53:45 | 70.50, -46.50 | 47.06 | 58.38 | 69 |
| 4 | 06/16/2025 | 15:43:07 | -69.98, 120.37 | 133.44 | 06/16/2025 | 15:43:22 | -70.01, 120.42 | 133.42 | 3.22 | 15 |
| 5 | 06/16/2025 | 16:33:51 | 69.87, -72.15 | 46.45 | 06/16/2025 | 16:32:50 | 69.85, -72.16 | 46.44 | 2.54 | 61 |
| 6 | 06/19/2025 | 07:09:19 | 70.04, 68.74 | 46.57 | 06/19/2025 | 07:10:23 | 70.07, 68.75 | 46.59 | 3.26 | 64 |
| 7 | 06/19/2025 | 08:00:01 | -69.94,-123.80 | 133.53 | 06/19/2025 | 07:59:53 | -69.96,-123.77 | 133.51 | 2.40 | 8 |
| 8 | 06/19/2025 | 08:50:37 | 69.41, 44.30 | 45.92 | 06/19/2025 | 08:49:27 | 69.47, 43.20 | 46.02 | 43.69 | 70 |
| 9 | 06/21/2025 | 23:26:14 | 70.01,-175.44 | 46.54 | 06/21/2025 | 23:26:55 | 70.00,-175.47 | 46.53 | 1.40 | 41 |
| 10 | 06/22/2025 | 00:16:56 | -69.91, -7.97 | 133.57 | 06/22/2025 | 00:16:25 | -69.90, -7.98 | 133.58 | 1.15 | 31 |
| 11 | 06/24/2025 | 14:52:40 | -70.88, 131.65 | 132.51 | 06/24/2025 | 14:53:47 | -70.74, 133.85 | 132.72 | 81.90 | 67 |
| 12 | 06/24/2025 | 15:43:09 | 69.98, -59.62 | 46.55 | 06/24/2025 | 15:43:26 | 69.97, -59.63 | 46.54 | 0.88 | 17 |
| 13 | 06/24/2025 | 16:33:51 | -69.88, 107.84 | 133.55 | 06/24/2025 | 16:32:56 | -69.87, 107.86 | 133.55 | 1.36 | 55 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/13/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/13/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9