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: 3/1/2025
| 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 | 03/03/2025 | 06:45:34 | 70.13, 74.97 | 76.85 | 03/03/2025 | 06:46:05 | 70.12, 74.92 | 76.84 | 1.86 | 31 |
| 2 | 03/03/2025 | 07:36:15 | -70.00,-117.53 | 103.29 | 03/03/2025 | 07:35:35 | -70.01,-117.60 | 103.28 | 2.81 | 40 |
| 3 | 03/05/2025 | 22:11:52 | -70.61, 22.66 | 103.66 | 03/05/2025 | 22:13:02 | -70.50, 23.70 | 103.83 | 40.57 | 70 |
| 4 | 03/05/2025 | 23:02:29 | 70.12,-169.25 | 75.81 | 03/05/2025 | 23:02:34 | 70.11,-169.21 | 75.80 | 1.62 | 5 |
| 5 | 03/05/2025 | 23:53:10 | -69.99, -1.74 | 104.35 | 03/05/2025 | 23:52:04 | -70.01, -1.73 | 104.32 | 2.10 | 66 |
| 6 | 03/08/2025 | 14:28:38 | -70.14, 139.17 | 105.21 | 03/08/2025 | 14:29:36 | -70.16, 139.09 | 105.20 | 3.65 | 58 |
| 7 | 03/08/2025 | 15:19:23 | 70.07, -53.41 | 74.71 | 03/08/2025 | 15:19:03 | 70.05, -53.42 | 74.69 | 2.90 | 20 |
| 8 | 03/08/2025 | 16:09:52 | -69.30, 115.04 | 106.12 | 03/08/2025 | 16:08:43 | -69.39, 113.31 | 105.95 | 68.33 | 69 |
| 9 | 03/11/2025 | 06:45:33 | -70.16,-105.09 | 106.24 | 03/11/2025 | 06:46:03 | -70.14,-105.04 | 106.27 | 2.42 | 30 |
| 10 | 03/11/2025 | 07:36:17 | 70.05, 62.40 | 73.63 | 03/11/2025 | 07:35:30 | 70.03, 62.44 | 73.61 | 2.54 | 47 |
| 11 | 03/13/2025 | 22:11:46 | 70.35,-156.92 | 72.91 | 03/13/2025 | 22:12:57 | 70.28,-156.59 | 72.82 | 14.58 | 71 |
| 12 | 03/13/2025 | 23:02:25 | -70.09, 10.79 | 107.38 | 03/13/2025 | 23:02:29 | -70.07, 10.74 | 107.40 | 3.40 | 4 |
| 13 | 03/13/2025 | 23:53:08 | 69.93, 178.34 | 72.45 | 03/13/2025 | 23:51:56 | 69.95, 178.22 | 72.48 | 5.11 | 72 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/1/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/01/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9