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: 6/16/2025
| 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 | 06/16/2025 | 14:52:35 | 70.64, -47.97 | 47.25 | 06/16/2025 | 14:53:44 | 70.51, -46.48 | 47.08 | 56.59 | 69 |
| 2 | 06/16/2025 | 15:43:06 | -69.96, 120.40 | 133.46 | 06/16/2025 | 15:43:22 | -69.96, 120.35 | 133.46 | 2.08 | 16 |
| 3 | 06/16/2025 | 16:33:50 | 69.85, -72.12 | 46.43 | 06/16/2025 | 16:32:49 | 69.86, -72.14 | 46.45 | 1.69 | 61 |
| 4 | 06/19/2025 | 07:09:20 | 70.06, 68.71 | 46.60 | 06/19/2025 | 07:10:23 | 70.07, 68.75 | 46.60 | 2.17 | 63 |
| 5 | 06/19/2025 | 08:00:02 | -69.97,-123.84 | 133.50 | 06/19/2025 | 07:59:53 | -69.96,-123.77 | 133.51 | 2.65 | 9 |
| 6 | 06/19/2025 | 08:50:38 | 69.43, 44.27 | 45.94 | 06/19/2025 | 08:49:27 | 69.47, 43.20 | 46.02 | 41.81 | 71 |
| 7 | 06/21/2025 | 23:26:15 | 70.02,-175.46 | 46.55 | 06/21/2025 | 23:26:55 | 70.00,-175.47 | 46.52 | 2.49 | 40 |
| 8 | 06/22/2025 | 00:16:56 | -69.88, -7.92 | 133.60 | 06/22/2025 | 00:16:25 | -69.89, -7.99 | 133.58 | 3.24 | 31 |
| 9 | 06/24/2025 | 14:52:39 | -70.83, 131.72 | 132.55 | 06/24/2025 | 14:53:46 | -70.73, 133.83 | 132.74 | 78.21 | 67 |
| 10 | 06/24/2025 | 15:43:09 | 69.99, -59.63 | 46.56 | 06/24/2025 | 15:43:25 | 69.96, -59.65 | 46.53 | 2.61 | 16 |
| 11 | 06/24/2025 | 16:33:50 | -69.84, 107.91 | 133.60 | 06/24/2025 | 16:32:55 | -69.86, 107.84 | 133.57 | 3.28 | 55 |
| 12 | 06/27/2025 | 07:09:20 | -70.07,-111.29 | 133.27 | 06/27/2025 | 07:10:28 | -70.08,-111.25 | 133.27 | 1.85 | 68 |
| 13 | 06/27/2025 | 08:00:04 | 69.95, 56.19 | 46.62 | 06/27/2025 | 07:59:55 | 69.96, 56.23 | 46.63 | 1.89 | 9 |
| 14 | 06/27/2025 | 08:50:41 | -69.60,-135.96 | 133.76 | 06/27/2025 | 08:49:29 | -69.64,-136.58 | 133.68 | 24.28 | 72 |
| 15 | 06/29/2025 | 23:26:14 | -69.99, 4.60 | 133.21 | 06/29/2025 | 23:26:59 | -70.00, 4.53 | 133.20 | 3.35 | 45 |
| 16 | 06/30/2025 | 00:16:58 | 69.87, 172.08 | 46.68 | 06/30/2025 | 00:16:26 | 69.89, 172.01 | 46.70 | 3.05 | 32 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/16/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/16/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9