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: 1/18/2025
| 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 | 01/18/2025 | 07:59:47 | 69.95, 56.18 | 90.42 | 01/18/2025 | 08:00:26 | 69.96, 56.18 | 90.43 | 1.81 | 39 |
| 2 | 01/18/2025 | 08:50:29 | -69.84,-136.35 | 89.70 | 01/18/2025 | 08:49:56 | -69.85,-136.35 | 89.69 | 1.46 | 33 |
| 3 | 01/20/2025 | 23:26:11 | -70.64, 3.54 | 89.41 | 01/20/2025 | 23:27:20 | -70.52, 5.21 | 89.60 | 63.17 | 69 |
| 4 | 01/21/2025 | 00:16:43 | 69.91, 171.99 | 89.82 | 01/21/2025 | 00:16:56 | 69.92, 171.99 | 89.82 | 0.74 | 13 |
| 5 | 01/21/2025 | 01:07:25 | -69.80, -20.53 | 90.31 | 01/21/2025 | 01:06:26 | -69.81, -20.52 | 90.29 | 0.91 | 59 |
| 6 | 01/23/2025 | 15:42:55 | -69.99, 120.33 | 90.71 | 01/23/2025 | 15:43:58 | -70.00, 120.34 | 90.71 | 1.41 | 63 |
| 7 | 01/23/2025 | 16:33:39 | 69.89, -72.21 | 89.19 | 01/23/2025 | 16:33:25 | 69.89, -72.17 | 89.18 | 1.69 | 14 |
| 8 | 01/23/2025 | 17:24:13 | -69.36, 95.89 | 91.39 | 01/23/2025 | 17:23:02 | -69.40, 94.80 | 91.30 | 42.91 | 71 |
| 9 | 01/26/2025 | 07:59:50 | -69.92,-123.80 | 91.43 | 01/26/2025 | 08:00:27 | -69.93,-123.87 | 91.43 | 2.90 | 37 |
| 10 | 01/26/2025 | 08:50:34 | 69.83, 43.65 | 88.46 | 01/26/2025 | 08:49:54 | 69.82, 43.61 | 88.46 | 1.93 | 40 |
| 11 | 01/28/2025 | 23:26:09 | 70.35,-176.01 | 88.34 | 01/28/2025 | 23:27:20 | 70.19,-175.24 | 88.14 | 33.51 | 71 |
| 12 | 01/29/2025 | 00:16:45 | -69.92, -8.03 | 92.13 | 01/29/2025 | 00:16:53 | -69.92, -7.99 | 92.13 | 1.60 | 8 |
| 13 | 01/29/2025 | 01:07:29 | 69.83, 159.42 | 87.76 | 01/29/2025 | 01:06:20 | 69.81, 159.49 | 87.75 | 3.34 | 69 |
| 14 | 01/31/2025 | 15:42:58 | 69.99, -59.68 | 87.22 | 01/31/2025 | 15:43:50 | 69.98, -59.66 | 87.20 | 1.48 | 52 |
| 15 | 01/31/2025 | 16:33:40 | -69.88, 107.81 | 92.91 | 01/31/2025 | 16:33:20 | -69.88, 107.83 | 92.91 | 1.12 | 20 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/18/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/18/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9