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: 5/2/2025
| 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 | 05/03/2025 | 14:28:05 | 70.24, -40.90 | 54.31 | 05/03/2025 | 14:29:13 | 70.23, -40.85 | 54.28 | 2.62 | 68 |
| 2 | 05/03/2025 | 15:18:47 | -70.14, 126.58 | 125.82 | 05/03/2025 | 15:18:43 | -70.12, 126.62 | 125.84 | 3.03 | 4 |
| 3 | 05/03/2025 | 16:09:26 | 69.77, -65.56 | 53.80 | 05/03/2025 | 16:08:14 | 69.79, -66.18 | 53.84 | 24.24 | 72 |
| 4 | 05/06/2025 | 06:45:02 | 70.16, 74.98 | 53.45 | 05/06/2025 | 06:45:42 | 70.14, 74.91 | 53.44 | 3.01 | 40 |
| 5 | 05/06/2025 | 07:35:44 | -70.05,-117.54 | 126.67 | 05/06/2025 | 07:35:12 | -70.03,-117.61 | 126.69 | 3.53 | 32 |
| 6 | 05/08/2025 | 22:11:25 | -70.71, 22.55 | 126.70 | 05/08/2025 | 22:12:35 | -70.62, 23.85 | 126.82 | 48.95 | 70 |
| 7 | 05/08/2025 | 23:02:00 | 70.14,-169.23 | 52.70 | 05/08/2025 | 23:02:09 | 70.13,-169.22 | 52.69 | 0.35 | 9 |
| 8 | 05/08/2025 | 23:52:42 | -70.03, -1.75 | 127.42 | 05/08/2025 | 23:51:39 | -70.02, -1.74 | 127.43 | 1.04 | 63 |
| 9 | 05/11/2025 | 14:28:13 | -70.18, 139.16 | 127.95 | 05/11/2025 | 14:29:09 | -70.19, 139.11 | 127.94 | 2.73 | 56 |
| 10 | 05/11/2025 | 15:18:57 | 70.07, -53.37 | 51.93 | 05/11/2025 | 15:18:36 | 70.08, -53.41 | 51.95 | 2.06 | 21 |
| 11 | 05/11/2025 | 16:09:26 | -69.28, 115.11 | 128.89 | 05/11/2025 | 16:08:18 | -69.32, 113.18 | 128.81 | 75.96 | 68 |
| 12 | 05/14/2025 | 05:54:44 | 71.11, 86.08 | 52.38 | 05/14/2025 | 05:55:50 | 71.04, 88.63 | 52.24 | 92.40 | 66 |
| 13 | 05/14/2025 | 06:45:10 | -70.17,-105.08 | 128.61 | 05/14/2025 | 06:45:34 | -70.17,-105.05 | 128.63 | 1.70 | 24 |
| 14 | 05/14/2025 | 07:35:54 | 70.07, 62.39 | 51.27 | 05/14/2025 | 07:35:01 | 70.05, 62.44 | 51.26 | 2.35 | 53 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/2/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/02/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9