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: 1/6/2025
| 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 | 01/07/2025 | 15:42:46 | -70.02, 120.33 | 87.72 | 01/07/2025 | 15:43:53 | -70.02, 120.40 | 87.74 | 2.54 | 67 |
| 2 | 01/07/2025 | 16:33:29 | 69.87, -72.13 | 92.12 | 01/07/2025 | 16:33:21 | 69.86, -72.18 | 92.11 | 2.30 | 8 |
| 3 | 01/07/2025 | 17:24:05 | -69.49, 95.74 | 88.28 | 01/07/2025 | 17:22:53 | -69.59, 95.08 | 88.16 | 27.53 | 72 |
| 4 | 01/10/2025 | 07:59:41 | -69.95,-123.79 | 88.17 | 01/10/2025 | 08:00:23 | -69.97,-123.79 | 88.15 | 3.10 | 42 |
| 5 | 01/10/2025 | 08:50:25 | 69.85, 43.66 | 91.73 | 01/10/2025 | 08:49:50 | 69.86, 43.70 | 91.74 | 2.28 | 35 |
| 6 | 01/12/2025 | 23:26:06 | 70.58,-176.34 | 92.09 | 01/12/2025 | 23:27:15 | 70.51,-174.77 | 91.95 | 58.80 | 69 |
| 7 | 01/13/2025 | 00:16:38 | -69.94, -8.02 | 88.60 | 01/13/2025 | 00:16:54 | -69.91, -8.00 | 88.63 | 3.24 | 16 |
| 8 | 01/13/2025 | 01:07:21 | 69.80, 159.50 | 91.25 | 01/13/2025 | 01:06:21 | 69.80, 159.49 | 91.26 | 0.62 | 60 |
| 9 | 01/15/2025 | 15:42:51 | 69.97, -59.61 | 90.96 | 01/15/2025 | 15:43:54 | 69.99, -59.65 | 90.98 | 2.95 | 63 |
| 10 | 01/15/2025 | 16:33:34 | -69.90, 107.80 | 89.12 | 01/15/2025 | 16:33:24 | -69.89, 107.85 | 89.13 | 1.91 | 10 |
| 11 | 01/15/2025 | 17:24:09 | 69.33, -84.06 | 90.29 | 01/15/2025 | 17:22:58 | 69.39, -85.19 | 90.39 | 44.89 | 71 |
| 12 | 01/18/2025 | 07:59:47 | 69.94, 56.19 | 90.42 | 01/18/2025 | 08:00:24 | 69.95, 56.17 | 90.42 | 0.92 | 37 |
| 13 | 01/18/2025 | 08:50:28 | -69.82,-136.31 | 89.72 | 01/18/2025 | 08:49:53 | -69.85,-136.33 | 89.69 | 3.43 | 35 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/6/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/06/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9