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: 3/5/2025
| 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 | 03/05/2025 | 22:11:52 | -70.59, 22.70 | 103.69 | 03/05/2025 | 22:13:03 | -70.49, 23.69 | 103.84 | 38.33 | 71 |
| 2 | 03/05/2025 | 23:02:29 | 70.09,-169.21 | 75.78 | 03/05/2025 | 23:02:35 | 70.12,-169.21 | 75.80 | 2.93 | 6 |
| 3 | 03/05/2025 | 23:53:11 | -70.02, -1.78 | 104.32 | 03/05/2025 | 23:52:05 | -70.00, -1.74 | 104.33 | 2.32 | 66 |
| 4 | 03/08/2025 | 14:28:39 | -70.16, 139.15 | 105.19 | 03/08/2025 | 14:29:38 | -70.16, 139.08 | 105.20 | 2.66 | 59 |
| 5 | 03/08/2025 | 15:19:24 | 70.08, -53.43 | 74.72 | 03/08/2025 | 15:19:05 | 70.05, -53.43 | 74.69 | 3.51 | 19 |
| 6 | 03/08/2025 | 16:09:54 | -69.37, 114.94 | 106.05 | 03/08/2025 | 16:08:45 | -69.39, 113.30 | 105.95 | 64.15 | 69 |
| 7 | 03/11/2025 | 06:45:33 | -70.15,-105.08 | 106.25 | 03/11/2025 | 06:46:05 | -70.17,-105.03 | 106.25 | 2.59 | 32 |
| 8 | 03/11/2025 | 07:36:17 | 70.03, 62.41 | 73.61 | 03/11/2025 | 07:35:32 | 70.06, 62.46 | 73.64 | 3.39 | 45 |
| 9 | 03/13/2025 | 22:11:50 | 70.46,-157.11 | 73.03 | 03/13/2025 | 22:13:01 | 70.36,-156.50 | 72.89 | 25.71 | 71 |
| 10 | 03/13/2025 | 23:02:27 | -70.11, 10.76 | 107.36 | 03/13/2025 | 23:02:34 | -70.09, 10.74 | 107.38 | 2.41 | 7 |
| 11 | 03/13/2025 | 23:53:11 | 69.99, 178.24 | 72.51 | 03/13/2025 | 23:52:01 | 69.97, 178.23 | 72.50 | 2.47 | 70 |
| 12 | 03/16/2025 | 14:28:39 | 70.17, -40.89 | 71.66 | 03/16/2025 | 14:29:31 | 70.18, -40.87 | 71.66 | 1.04 | 52 |
| 13 | 03/16/2025 | 15:19:21 | -70.07, 126.58 | 108.46 | 03/16/2025 | 15:19:01 | -70.08, 126.61 | 108.46 | 1.28 | 20 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/5/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/05/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9