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: 1/15/2025
| 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 | 01/15/2025 | 15:42:52 | 70.02, -59.69 | 91.02 | 01/15/2025 | 15:43:56 | 69.99, -59.66 | 90.98 | 2.95 | 64 |
| 2 | 01/15/2025 | 16:33:34 | -69.91, 107.79 | 89.11 | 01/15/2025 | 16:33:26 | -69.88, 107.82 | 89.14 | 2.97 | 8 |
| 3 | 01/15/2025 | 17:24:10 | 69.38, -84.13 | 90.34 | 01/15/2025 | 17:22:59 | 69.45, -85.13 | 90.45 | 39.54 | 71 |
| 4 | 01/18/2025 | 07:59:48 | 69.97, 56.14 | 90.45 | 01/18/2025 | 08:00:27 | 69.95, 56.16 | 90.42 | 2.33 | 39 |
| 5 | 01/18/2025 | 08:50:30 | -69.86,-136.37 | 89.68 | 01/18/2025 | 08:49:57 | -69.84,-136.36 | 89.70 | 1.86 | 33 |
| 6 | 01/20/2025 | 23:26:12 | -70.66, 3.52 | 89.39 | 01/20/2025 | 23:27:21 | -70.53, 5.23 | 89.59 | 64.77 | 69 |
| 7 | 01/21/2025 | 00:16:44 | 69.93, 171.96 | 89.84 | 01/21/2025 | 00:16:57 | 69.93, 172.01 | 89.83 | 1.79 | 13 |
| 8 | 01/21/2025 | 01:07:26 | -69.82, -20.55 | 90.29 | 01/21/2025 | 01:06:27 | -69.82, -20.51 | 90.28 | 1.85 | 59 |
| 9 | 01/23/2025 | 15:42:55 | -70.00, 120.32 | 90.70 | 01/23/2025 | 15:43:59 | -69.99, 120.32 | 90.72 | 1.25 | 64 |
| 10 | 01/23/2025 | 16:33:38 | 69.85, -72.15 | 89.15 | 01/23/2025 | 16:33:26 | 69.87, -72.19 | 89.17 | 2.76 | 12 |
| 11 | 01/23/2025 | 17:24:13 | -69.37, 95.87 | 91.38 | 01/23/2025 | 17:23:02 | -69.44, 94.85 | 91.25 | 40.67 | 71 |
| 12 | 01/26/2025 | 07:59:51 | -69.98,-123.89 | 91.37 | 01/26/2025 | 08:00:28 | -69.96,-123.84 | 91.41 | 3.10 | 37 |
| 13 | 01/26/2025 | 08:50:34 | 69.83, 43.64 | 88.47 | 01/26/2025 | 08:49:55 | 69.84, 43.64 | 88.48 | 0.68 | 39 |
| 14 | 01/28/2025 | 23:26:11 | 70.40,-176.09 | 88.39 | 01/28/2025 | 23:27:21 | 70.32,-175.07 | 88.26 | 39.35 | 70 |
| 15 | 01/29/2025 | 00:16:46 | -69.92, -8.03 | 92.13 | 01/29/2025 | 00:16:57 | -69.89, -8.05 | 92.16 | 2.86 | 11 |
| 16 | 01/29/2025 | 01:07:29 | 69.77, 159.50 | 87.71 | 01/29/2025 | 01:06:24 | 69.77, 159.44 | 87.72 | 2.44 | 65 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/15/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/15/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9