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, -92.55 | 132.69 | 2.84 | 72 |
| 2 | 06/07/2025 | 06:45:32 | 70.07, 74.97 | 47.23 | 06/07/2025 | 06:45:26 | 70.06, 74.95 | 47.21 | 1.46 | 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 | 16.34 | 73 |
| 4 | 06/09/2025 | 22:11:43 | -70.17, 23.29 | 132.90 | 06/09/2025 | 22:12:25 | -70.17, 23.36 | 132.90 | 3.02 | 42 |
| 5 | 06/09/2025 | 23:02:27 | 70.02,-169.18 | 46.94 | 06/09/2025 | 23:01:53 | 70.02,-169.22 | 46.95 | 1.40 | 34 |
| 6 | 06/12/2025 | 13:38:07 | 70.70, -29.12 | 47.48 | 06/12/2025 | 13:39:16 | 70.61, -27.74 | 47.35 | 51.85 | 69 |
| 7 | 06/12/2025 | 14:28:39 | -70.11, 139.13 | 133.14 | 06/12/2025 | 14:28:53 | -70.11, 139.17 | 133.14 | 1.45 | 14 |
| 8 | 06/12/2025 | 15:19:23 | 69.96, -53.34 | 46.71 | 06/12/2025 | 15:18:21 | 69.95, -53.41 | 46.71 | 3.09 | 62 |
| 9 | 06/15/2025 | 05:54:53 | 70.13, 87.55 | 46.75 | 06/15/2025 | 05:55:51 | 70.14, 87.47 | 46.77 | 3.66 | 58 |
| 10 | 06/15/2025 | 06:45:35 | -70.06,-105.03 | 133.32 | 06/15/2025 | 06:45:21 | -70.03,-105.05 | 133.34 | 2.96 | 14 |
| 11 | 06/15/2025 | 07:36:07 | 69.28, 63.42 | 45.87 | 06/15/2025 | 07:34:59 | 69.32, 61.61 | 45.97 | 71.33 | 68 |
| 12 | 06/17/2025 | 22:11:49 | 70.08,-156.62 | 46.63 | 06/17/2025 | 22:12:18 | 70.10,-156.70 | 46.64 | 3.33 | 29 |
| 13 | 06/17/2025 | 23:02:31 | -70.01, 10.80 | 133.45 | 06/17/2025 | 23:01:48 | -69.99, 10.78 | 133.47 | 2.96 | 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