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: 2/1/2025
| 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 | 02/03/2025 | 07:59:51 | 69.92, 56.19 | 86.38 | 02/03/2025 | 08:00:21 | 69.94, 56.16 | 86.40 | 2.47 | 30 |
| 2 | 02/03/2025 | 08:50:33 | -69.83,-136.35 | 93.74 | 02/03/2025 | 08:49:51 | -69.84,-136.36 | 93.72 | 1.14 | 42 |
| 3 | 02/05/2025 | 23:26:08 | -70.34, 4.01 | 93.98 | 02/05/2025 | 23:27:19 | -70.27, 4.86 | 94.10 | 32.64 | 71 |
| 4 | 02/06/2025 | 00:16:46 | 69.92, 171.97 | 85.57 | 02/06/2025 | 00:16:51 | 69.89, 171.96 | 85.54 | 3.20 | 5 |
| 5 | 02/06/2025 | 01:07:27 | -69.77, -20.49 | 94.61 | 02/06/2025 | 01:06:21 | -69.78, -20.55 | 94.58 | 3.20 | 66 |
| 6 | 02/08/2025 | 15:42:56 | -69.98, 120.34 | 95.20 | 02/08/2025 | 15:43:53 | -69.96, 120.29 | 95.23 | 2.88 | 57 |
| 7 | 02/08/2025 | 16:33:40 | 69.87, -72.18 | 84.68 | 02/08/2025 | 16:33:20 | 69.84, -72.22 | 84.65 | 3.19 | 20 |
| 8 | 02/08/2025 | 17:24:09 | -69.08, 96.27 | 96.17 | 02/08/2025 | 17:23:01 | -69.13, 94.46 | 96.02 | 71.87 | 68 |
| 9 | 02/11/2025 | 07:59:50 | -69.94,-123.83 | 96.11 | 02/11/2025 | 08:00:21 | -69.93,-123.87 | 96.13 | 2.20 | 31 |
| 10 | 02/11/2025 | 08:50:34 | 69.83, 43.64 | 83.77 | 02/11/2025 | 08:49:48 | 69.81, 43.61 | 83.75 | 2.92 | 46 |
| 11 | 02/13/2025 | 23:26:04 | 70.17,-175.72 | 83.25 | 02/13/2025 | 23:27:15 | 70.11,-175.35 | 83.16 | 15.58 | 71 |
| 12 | 02/14/2025 | 00:16:43 | -69.92, -8.02 | 97.03 | 02/14/2025 | 00:16:47 | -69.90, -8.01 | 97.05 | 1.34 | 4 |
| 13 | 02/14/2025 | 01:07:27 | 69.81, 159.45 | 82.84 | 02/14/2025 | 01:06:14 | 69.78, 159.47 | 82.83 | 2.80 | 73 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/1/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/01/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9