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: 1/22/2025
| 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 | 01/23/2025 | 15:42:55 | -70.01, 120.31 | 90.69 | 01/23/2025 | 15:43:57 | -70.02, 120.37 | 90.69 | 2.62 | 62 |
| 2 | 01/23/2025 | 16:33:38 | 69.85, -72.15 | 89.14 | 01/23/2025 | 16:33:25 | 69.86, -72.21 | 89.15 | 2.37 | 13 |
| 3 | 01/23/2025 | 17:24:12 | -69.32, 95.94 | 91.43 | 01/23/2025 | 17:23:01 | -69.41, 94.82 | 91.28 | 44.91 | 71 |
| 4 | 01/26/2025 | 07:59:50 | -69.95,-123.84 | 91.40 | 01/26/2025 | 08:00:25 | -69.97,-123.81 | 91.39 | 2.54 | 35 |
| 5 | 01/26/2025 | 08:50:34 | 69.85, 43.62 | 88.49 | 01/26/2025 | 08:49:52 | 69.86, 43.68 | 88.50 | 2.61 | 42 |
| 6 | 01/28/2025 | 23:26:08 | 70.28,-175.89 | 88.26 | 01/28/2025 | 23:27:19 | 70.19,-175.23 | 88.14 | 26.46 | 71 |
| 7 | 01/29/2025 | 00:16:45 | -69.91, -8.01 | 92.15 | 01/29/2025 | 00:16:52 | -69.92, -7.99 | 92.13 | 1.91 | 7 |
| 8 | 01/29/2025 | 01:07:29 | 69.81, 159.45 | 87.75 | 01/29/2025 | 01:06:19 | 69.81, 159.50 | 87.76 | 1.91 | 70 |
| 9 | 01/31/2025 | 15:42:57 | 69.99, -59.67 | 87.22 | 01/31/2025 | 15:43:47 | 69.98, -59.64 | 87.20 | 1.29 | 50 |
| 10 | 01/31/2025 | 16:33:39 | -69.88, 107.81 | 92.91 | 01/31/2025 | 16:33:17 | -69.87, 107.84 | 92.91 | 1.38 | 22 |
| 11 | 01/31/2025 | 17:24:06 | 68.87, -83.45 | 86.03 | 01/31/2025 | 17:22:59 | 68.93, -85.77 | 86.19 | 93.12 | 67 |
| 12 | 02/03/2025 | 07:09:25 | -70.96,-112.76 | 92.51 | 02/03/2025 | 07:10:31 | -70.81,-110.17 | 92.78 | 95.90 | 66 |
| 13 | 02/03/2025 | 07:59:51 | 69.92, 56.20 | 86.38 | 02/03/2025 | 08:00:12 | 69.93, 56.19 | 86.38 | 1.46 | 21 |
| 14 | 02/03/2025 | 08:50:33 | -69.81,-136.32 | 93.75 | 02/03/2025 | 08:49:42 | -69.83,-136.33 | 93.73 | 1.82 | 51 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/22/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/22/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9