Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/3/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 01/03/2025 | 13:38:51 | 70.71, -29.12 | 93.45 | 01/03/2025 | 13:40:01 | 70.59, -27.85 | 93.29 | 48.93 | 70 |
| 2 | 01/03/2025 | 14:29:23 | -70.14, 139.09 | 87.15 | 01/03/2025 | 14:29:36 | -70.14, 139.13 | 87.16 | 1.43 | 13 |
| 3 | 01/03/2025 | 15:20:07 | 70.04, -53.44 | 92.74 | 01/03/2025 | 15:19:03 | 70.04, -53.37 | 92.75 | 2.61 | 64 |
| 4 | 01/06/2025 | 05:55:30 | 70.22, 87.45 | 92.65 | 01/06/2025 | 05:56:31 | 70.22, 87.52 | 92.64 | 2.52 | 61 |
| 5 | 01/06/2025 | 06:46:12 | -70.12,-105.09 | 87.46 | 01/06/2025 | 06:46:01 | -70.11,-105.01 | 87.48 | 3.27 | 11 |
| 6 | 01/06/2025 | 07:36:46 | 69.49, 63.16 | 91.88 | 01/06/2025 | 07:35:36 | 69.56, 61.87 | 91.99 | 50.94 | 70 |
| 7 | 01/08/2025 | 22:12:18 | 70.17,-156.68 | 92.25 | 01/08/2025 | 22:12:55 | 70.19,-156.63 | 92.26 | 2.59 | 37 |
| 8 | 01/08/2025 | 23:03:00 | -70.08, 10.78 | 87.86 | 01/08/2025 | 23:02:25 | -70.07, 10.84 | 87.86 | 2.34 | 35 |
| 9 | 01/11/2025 | 13:38:34 | -70.88, 150.68 | 87.41 | 01/11/2025 | 13:39:42 | -70.75, 152.47 | 87.59 | 66.92 | 68 |
| 10 | 01/11/2025 | 14:29:06 | 70.14, -40.85 | 91.83 | 01/11/2025 | 14:29:18 | 70.15, -40.78 | 91.83 | 2.63 | 12 |
| 11 | 01/11/2025 | 15:19:47 | -70.00, 126.69 | 88.34 | 01/11/2025 | 15:18:49 | -69.98, 126.62 | 88.34 | 3.19 | 58 |
| 12 | 01/14/2025 | 05:55:09 | -70.19, -92.43 | 88.57 | 01/14/2025 | 05:56:14 | -70.17, -92.48 | 88.60 | 2.65 | 65 |
| 13 | 01/14/2025 | 06:45:52 | 70.09, 75.04 | 91.32 | 01/14/2025 | 06:45:39 | 70.11, 75.08 | 91.34 | 2.97 | 13 |
| 14 | 01/14/2025 | 07:36:26 | -69.57,-116.88 | 89.23 | 01/14/2025 | 07:35:15 | -69.67,-117.90 | 89.09 | 40.97 | 71 |
| 15 | 01/16/2025 | 22:11:55 | -70.16, 23.42 | 89.10 | 01/16/2025 | 22:12:34 | -70.14, 23.38 | 89.13 | 2.69 | 39 |
| 16 | 01/16/2025 | 23:02:39 | 70.05,-169.11 | 90.79 | 01/16/2025 | 23:02:00 | 70.07,-169.06 | 90.81 | 2.70 | 39 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/3/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/03/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9