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: 6/3/2025
| 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 | 06/04/2025 | 14:28:36 | 70.12, -40.87 | 47.55 | 06/04/2025 | 14:28:58 | 70.10, -40.89 | 47.52 | 2.53 | 22 |
| 2 | 06/04/2025 | 15:19:17 | -70.01, 126.62 | 132.57 | 06/04/2025 | 15:18:27 | -70.04, 126.66 | 132.55 | 3.10 | 50 |
| 3 | 06/07/2025 | 05:54:47 | -70.21, -92.54 | 132.63 | 06/07/2025 | 05:55:57 | -70.22, -92.47 | 132.63 | 3.24 | 70 |
| 4 | 06/07/2025 | 06:45:31 | 70.06, 74.99 | 47.21 | 06/07/2025 | 06:45:25 | 70.06, 74.95 | 47.22 | 1.31 | 6 |
| 5 | 06/07/2025 | 07:36:09 | -69.79,-117.28 | 133.07 | 06/07/2025 | 07:34:57 | -69.84,-117.73 | 133.01 | 17.93 | 72 |
| 6 | 06/09/2025 | 22:11:43 | -70.15, 23.30 | 132.92 | 06/09/2025 | 22:12:25 | -70.16, 23.34 | 132.92 | 1.67 | 42 |
| 7 | 06/09/2025 | 23:02:27 | 70.01,-169.17 | 46.93 | 06/09/2025 | 23:01:53 | 70.00,-169.24 | 46.93 | 2.94 | 34 |
| 8 | 06/12/2025 | 13:38:06 | 70.64, -29.03 | 47.42 | 06/12/2025 | 13:39:16 | 70.57, -27.80 | 47.30 | 46.12 | 70 |
| 9 | 06/12/2025 | 14:28:39 | -70.10, 139.14 | 133.15 | 06/12/2025 | 14:28:52 | -70.13, 139.19 | 133.13 | 3.08 | 13 |
| 10 | 06/12/2025 | 15:19:23 | 69.96, -53.33 | 46.71 | 06/12/2025 | 15:18:20 | 69.96, -53.40 | 46.72 | 2.45 | 63 |
| 11 | 06/15/2025 | 05:54:54 | 70.18, 87.46 | 46.81 | 06/15/2025 | 05:55:49 | 70.17, 87.52 | 46.79 | 2.44 | 55 |
| 12 | 06/15/2025 | 06:45:35 | -70.06,-105.03 | 133.32 | 06/15/2025 | 06:45:19 | -70.06,-105.00 | 133.32 | 1.13 | 16 |
| 13 | 06/15/2025 | 07:36:06 | 69.23, 63.49 | 45.82 | 06/15/2025 | 07:34:58 | 69.29, 61.58 | 45.94 | 75.54 | 68 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/3/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/03/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9