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: 1/26/2025
| 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 | 01/27/2025 | 14:28:27 | 70.37, -41.05 | 88.70 | 01/27/2025 | 14:29:38 | 70.29, -40.68 | 88.59 | 16.08 | 71 |
| 2 | 01/27/2025 | 15:19:05 | -70.09, 126.70 | 91.61 | 01/27/2025 | 15:19:09 | -70.12, 126.71 | 91.58 | 3.26 | 4 |
| 3 | 01/27/2025 | 16:09:49 | 69.96, -65.80 | 88.25 | 01/27/2025 | 16:08:37 | 69.96, -65.88 | 88.26 | 3.06 | 72 |
| 4 | 01/30/2025 | 06:45:09 | 70.16, 75.08 | 87.76 | 01/30/2025 | 06:46:05 | 70.17, 75.03 | 87.76 | 2.11 | 56 |
| 5 | 01/30/2025 | 07:35:50 | -70.04,-117.42 | 92.38 | 01/30/2025 | 07:35:35 | -70.06,-117.49 | 92.36 | 3.24 | 15 |
| 6 | 01/30/2025 | 08:26:22 | 69.27, 51.01 | 86.81 | 01/30/2025 | 08:25:14 | 69.28, 49.10 | 86.91 | 75.23 | 68 |
| 7 | 02/01/2025 | 23:01:56 | 70.17,-169.14 | 87.02 | 02/01/2025 | 23:02:30 | 70.16,-169.08 | 87.00 | 2.63 | 34 |
| 8 | 02/01/2025 | 23:52:37 | -70.06, -1.64 | 93.12 | 02/01/2025 | 23:52:00 | -70.05, -1.60 | 93.12 | 1.46 | 37 |
| 9 | 02/04/2025 | 14:28:10 | -70.90, 138.18 | 92.98 | 02/04/2025 | 14:29:18 | -70.76, 140.06 | 93.21 | 70.36 | 68 |
| 10 | 02/04/2025 | 15:18:41 | 70.10, -53.22 | 86.15 | 02/04/2025 | 15:18:55 | 70.10, -53.26 | 86.16 | 1.87 | 14 |
| 11 | 02/04/2025 | 16:09:22 | -69.98, 114.28 | 93.99 | 02/04/2025 | 16:08:25 | -70.00, 114.22 | 93.96 | 3.19 | 57 |
| 12 | 02/07/2025 | 06:44:43 | -70.21,-104.90 | 94.54 | 02/07/2025 | 06:45:51 | -70.22,-104.83 | 94.55 | 2.84 | 68 |
| 13 | 02/07/2025 | 07:35:27 | 70.09, 62.60 | 85.32 | 02/07/2025 | 07:35:18 | 70.11, 62.64 | 85.34 | 2.83 | 9 |
| 14 | 02/07/2025 | 08:26:04 | -69.75,-129.58 | 95.05 | 02/07/2025 | 08:24:51 | -69.84,-130.10 | 94.93 | 22.02 | 73 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/26/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/26/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9