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: 1/15/2025
| 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 | 01/16/2025 | 22:12:02 | -70.42, 22.99 | 88.82 | 01/16/2025 | 22:13:14 | -70.32, 23.47 | 88.95 | 21.10 | 72 |
| 2 | 01/16/2025 | 23:02:42 | 70.10,-169.19 | 90.83 | 01/16/2025 | 23:02:43 | 70.11,-169.19 | 90.84 | 1.43 | 1 |
| 3 | 01/16/2025 | 23:53:24 | -70.02, -1.75 | 89.26 | 01/16/2025 | 23:52:13 | -70.00, -1.71 | 89.27 | 2.52 | 71 |
| 4 | 01/19/2025 | 14:28:45 | -70.20, 139.13 | 89.60 | 01/19/2025 | 14:29:45 | -70.21, 139.19 | 89.60 | 2.24 | 60 |
| 5 | 01/19/2025 | 15:19:29 | 70.09, -53.38 | 90.28 | 01/19/2025 | 15:19:12 | 70.11, -53.32 | 90.30 | 3.10 | 17 |
| 6 | 01/19/2025 | 16:10:01 | -69.48, 114.84 | 90.37 | 01/19/2025 | 16:08:51 | -69.51, 113.48 | 90.29 | 53.07 | 70 |
| 7 | 01/22/2025 | 06:45:32 | -70.15,-104.99 | 90.24 | 01/22/2025 | 06:46:15 | -70.18,-104.98 | 90.22 | 3.37 | 43 |
| 8 | 01/22/2025 | 07:36:17 | 70.08, 62.42 | 89.69 | 01/22/2025 | 07:35:42 | 70.07, 62.50 | 89.67 | 3.48 | 35 |
| 9 | 01/24/2025 | 22:11:55 | 71.13,-158.09 | 90.17 | 01/24/2025 | 22:13:01 | 70.98,-155.54 | 89.92 | 93.54 | 66 |
| 10 | 01/24/2025 | 23:02:20 | -70.16, 10.80 | 90.87 | 01/24/2025 | 23:02:44 | -70.17, 10.88 | 90.87 | 3.13 | 24 |
| 11 | 01/24/2025 | 23:53:04 | 70.04, 178.29 | 89.01 | 01/24/2025 | 23:52:11 | 70.05, 178.36 | 89.02 | 3.20 | 53 |
| 12 | 01/27/2025 | 14:28:30 | 70.46, -41.20 | 88.79 | 01/27/2025 | 14:29:40 | 70.38, -40.56 | 88.68 | 25.32 | 70 |
| 13 | 01/27/2025 | 15:19:07 | -70.12, 126.65 | 91.58 | 01/27/2025 | 15:19:13 | -70.12, 126.69 | 91.59 | 1.50 | 6 |
| 14 | 01/27/2025 | 16:09:51 | 70.00, -65.86 | 88.29 | 01/27/2025 | 16:08:40 | 70.00, -65.83 | 88.30 | 1.22 | 71 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/15/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/15/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9