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: 1/10/2025
| 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 | 01/10/2025 | 07:59:42 | -69.96,-123.82 | 88.16 | 01/10/2025 | 08:00:23 | -69.95,-123.82 | 88.17 | 1.28 | 41 |
| 2 | 01/10/2025 | 08:50:26 | 69.86, 43.64 | 91.74 | 01/10/2025 | 08:49:50 | 69.85, 43.68 | 91.72 | 2.58 | 36 |
| 3 | 01/12/2025 | 23:26:05 | 70.54,-176.27 | 92.04 | 01/12/2025 | 23:27:14 | 70.43,-174.89 | 91.87 | 52.84 | 69 |
| 4 | 01/13/2025 | 00:16:38 | -69.95, -8.04 | 88.59 | 01/13/2025 | 00:16:51 | -69.94, -7.96 | 88.61 | 3.47 | 13 |
| 5 | 01/13/2025 | 01:07:21 | 69.80, 159.49 | 91.25 | 01/13/2025 | 01:06:18 | 69.83, 159.53 | 91.28 | 3.08 | 63 |
| 6 | 01/15/2025 | 15:42:51 | 69.96, -59.60 | 90.96 | 01/15/2025 | 15:43:50 | 69.98, -59.64 | 90.97 | 3.07 | 59 |
| 7 | 01/15/2025 | 16:33:34 | -69.90, 107.81 | 89.12 | 01/15/2025 | 16:33:20 | -69.88, 107.84 | 89.14 | 2.48 | 14 |
| 8 | 01/15/2025 | 17:24:06 | 69.16, -83.82 | 90.11 | 01/15/2025 | 17:22:57 | 69.21, -85.41 | 90.22 | 62.82 | 69 |
| 9 | 01/18/2025 | 07:59:47 | 69.92, 56.22 | 90.39 | 01/18/2025 | 08:00:18 | 69.94, 56.18 | 90.41 | 2.77 | 31 |
| 10 | 01/18/2025 | 08:50:30 | -69.85,-136.36 | 89.69 | 01/18/2025 | 08:49:48 | -69.83,-136.33 | 89.70 | 2.41 | 42 |
| 11 | 01/20/2025 | 23:26:04 | -70.24, 4.19 | 89.83 | 01/20/2025 | 23:27:16 | -70.13, 4.71 | 89.97 | 22.66 | 72 |
| 12 | 01/21/2025 | 00:16:43 | 69.89, 172.03 | 89.79 | 01/21/2025 | 00:16:45 | 69.91, 172.03 | 89.81 | 2.27 | 2 |
| 13 | 01/21/2025 | 01:07:26 | -69.82, -20.55 | 90.29 | 01/21/2025 | 01:06:15 | -69.81, -20.48 | 90.30 | 3.24 | 71 |
| 14 | 01/23/2025 | 15:42:54 | -69.95, 120.39 | 90.75 | 01/23/2025 | 15:43:44 | -69.96, 120.35 | 90.75 | 1.67 | 50 |
| 15 | 01/23/2025 | 16:33:38 | 69.87, -72.17 | 89.16 | 01/23/2025 | 16:33:11 | 69.83, -72.18 | 89.13 | 3.44 | 27 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/10/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/10/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9