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: 6/17/2025
| 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 | 07:09:20 | 70.05, 68.72 | 46.59 | 06/19/2025 | 07:10:24 | 70.03, 68.69 | 46.55 | 2.82 | 64 |
| 2 | 06/19/2025 | 08:00:02 | -69.96,-123.82 | 133.51 | 06/19/2025 | 07:59:53 | -69.97,-123.76 | 133.50 | 2.74 | 9 |
| 3 | 06/19/2025 | 08:50:38 | 69.42, 44.28 | 45.93 | 06/19/2025 | 08:49:27 | 69.48, 43.22 | 46.03 | 42.29 | 71 |
| 4 | 06/21/2025 | 23:26:14 | 70.01,-175.44 | 46.54 | 06/21/2025 | 23:26:54 | 70.01,-175.46 | 46.53 | 0.72 | 40 |
| 5 | 06/22/2025 | 00:16:56 | -69.92, -7.99 | 133.56 | 06/22/2025 | 00:16:24 | -69.90, -7.98 | 133.58 | 2.02 | 32 |
| 6 | 06/24/2025 | 14:52:39 | -70.82, 131.73 | 132.56 | 06/24/2025 | 14:53:46 | -70.73, 133.84 | 132.73 | 77.76 | 67 |
| 7 | 06/24/2025 | 15:43:09 | 69.97, -59.62 | 46.55 | 06/24/2025 | 15:43:25 | 69.97, -59.64 | 46.54 | 0.96 | 16 |
| 8 | 06/24/2025 | 16:33:51 | -69.88, 107.84 | 133.55 | 06/24/2025 | 16:32:55 | -69.87, 107.85 | 133.56 | 2.00 | 56 |
| 9 | 06/27/2025 | 07:09:20 | -70.06,-111.28 | 133.28 | 06/27/2025 | 07:10:28 | -70.08,-111.24 | 133.27 | 2.73 | 68 |
| 10 | 06/27/2025 | 08:00:04 | 69.94, 56.20 | 46.61 | 06/27/2025 | 07:59:55 | 69.97, 56.24 | 46.63 | 2.91 | 9 |
| 11 | 06/27/2025 | 08:50:41 | -69.59,-135.95 | 133.76 | 06/27/2025 | 08:49:29 | -69.65,-136.57 | 133.68 | 24.83 | 72 |
| 12 | 06/29/2025 | 23:26:15 | -70.03, 4.53 | 133.16 | 06/29/2025 | 23:26:59 | -70.01, 4.54 | 133.19 | 2.84 | 44 |
| 13 | 06/30/2025 | 00:16:59 | 69.92, 172.02 | 46.73 | 06/30/2025 | 00:16:26 | 69.89, 172.02 | 46.70 | 3.15 | 33 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/17/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/17/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9