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: 6/5/2025
| 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 | 06/07/2025 | 05:54:47 | -70.17, -92.49 | 132.67 | 06/07/2025 | 05:55:59 | -70.16, -92.56 | 132.69 | 3.03 | 72 |
| 2 | 06/07/2025 | 06:45:32 | 70.08, 74.97 | 47.23 | 06/07/2025 | 06:45:26 | 70.06, 74.95 | 47.21 | 1.95 | 6 |
| 3 | 06/07/2025 | 07:36:10 | -69.81,-117.31 | 133.06 | 06/07/2025 | 07:34:57 | -69.89,-117.66 | 132.96 | 16.27 | 73 |
| 4 | 06/09/2025 | 22:11:43 | -70.17, 23.28 | 132.90 | 06/09/2025 | 22:12:25 | -70.17, 23.35 | 132.91 | 2.59 | 42 |
| 5 | 06/09/2025 | 23:02:27 | 70.02,-169.19 | 46.95 | 06/09/2025 | 23:01:53 | 70.01,-169.23 | 46.94 | 2.23 | 34 |
| 6 | 06/12/2025 | 13:38:07 | 70.71, -29.14 | 47.49 | 06/12/2025 | 13:39:16 | 70.59, -27.77 | 47.33 | 52.14 | 69 |
| 7 | 06/12/2025 | 14:28:39 | -70.12, 139.12 | 133.13 | 06/12/2025 | 14:28:53 | -70.10, 139.14 | 133.16 | 2.84 | 14 |
| 8 | 06/12/2025 | 15:19:23 | 69.97, -53.36 | 46.72 | 06/12/2025 | 15:18:20 | 69.99, -53.37 | 46.74 | 1.54 | 63 |
| 9 | 06/15/2025 | 05:54:53 | 70.14, 87.53 | 46.77 | 06/15/2025 | 05:55:50 | 70.16, 87.50 | 46.79 | 2.53 | 57 |
| 10 | 06/15/2025 | 06:45:35 | -70.08,-105.05 | 133.30 | 06/15/2025 | 06:45:20 | -70.06,-105.02 | 133.32 | 2.68 | 15 |
| 11 | 06/15/2025 | 07:36:07 | 69.30, 63.40 | 45.89 | 06/15/2025 | 07:34:58 | 69.34, 61.64 | 45.99 | 69.17 | 69 |
| 12 | 06/17/2025 | 22:11:49 | 70.11,-156.66 | 46.66 | 06/17/2025 | 22:12:17 | 70.10,-156.69 | 46.64 | 1.79 | 28 |
| 13 | 06/17/2025 | 23:02:30 | -69.99, 10.85 | 133.47 | 06/17/2025 | 23:01:47 | -69.99, 10.79 | 133.46 | 2.17 | 43 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/5/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/05/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9