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: 1/19/2025
| 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 | 01/20/2025 | 23:26:11 | -70.64, 3.54 | 89.40 | 01/20/2025 | 23:27:20 | -70.51, 5.20 | 89.61 | 63.28 | 69 |
| 2 | 01/21/2025 | 00:16:43 | 69.92, 171.99 | 89.82 | 01/21/2025 | 00:16:56 | 69.92, 171.99 | 89.82 | 0.10 | 13 |
| 3 | 01/21/2025 | 01:07:25 | -69.81, -20.53 | 90.30 | 01/21/2025 | 01:06:26 | -69.81, -20.53 | 90.30 | 0.17 | 59 |
| 4 | 01/23/2025 | 15:42:55 | -69.99, 120.33 | 90.70 | 01/23/2025 | 15:43:58 | -69.99, 120.33 | 90.72 | 0.51 | 63 |
| 5 | 01/23/2025 | 16:33:39 | 69.90, -72.22 | 89.19 | 01/23/2025 | 16:33:25 | 69.88, -72.18 | 89.17 | 2.36 | 14 |
| 6 | 01/23/2025 | 17:24:13 | -69.36, 95.88 | 91.38 | 01/23/2025 | 17:23:02 | -69.39, 94.78 | 91.31 | 42.96 | 71 |
| 7 | 01/26/2025 | 07:59:51 | -69.98,-123.89 | 91.37 | 01/26/2025 | 08:00:26 | -69.97,-123.82 | 91.40 | 3.57 | 35 |
| 8 | 01/26/2025 | 08:50:34 | 69.84, 43.64 | 88.47 | 01/26/2025 | 08:49:53 | 69.85, 43.67 | 88.49 | 2.14 | 41 |
| 9 | 01/28/2025 | 23:26:09 | 70.31,-175.95 | 88.30 | 01/28/2025 | 23:27:20 | 70.22,-175.20 | 88.16 | 29.77 | 71 |
| 10 | 01/29/2025 | 00:16:44 | -69.88, -7.97 | 92.17 | 01/29/2025 | 00:16:53 | -69.90, -8.03 | 92.16 | 2.53 | 9 |
| 11 | 01/29/2025 | 01:07:28 | 69.79, 159.48 | 87.73 | 01/29/2025 | 01:06:20 | 69.78, 159.46 | 87.73 | 1.26 | 68 |
| 12 | 01/31/2025 | 15:42:58 | 70.01, -59.71 | 87.25 | 01/31/2025 | 15:43:49 | 69.99, -59.63 | 87.21 | 3.74 | 51 |
| 13 | 01/31/2025 | 16:33:39 | -69.85, 107.85 | 92.94 | 01/31/2025 | 16:33:20 | -69.84, 107.78 | 92.95 | 2.97 | 19 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/19/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/19/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9