Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/8/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 06/11/2025 | 06:20:11 | -70.11, -98.76 | 133.05 | 06/11/2025 | 06:20:54 | -70.13, -98.81 | 133.04 | 2.70 | 43 |
| 2 | 06/11/2025 | 07:10:56 | 70.02, 68.70 | 46.85 | 06/11/2025 | 07:10:21 | 70.03, 68.69 | 46.86 | 1.22 | 35 |
| 3 | 06/13/2025 | 21:46:39 | 70.85,-151.49 | 47.58 | 06/13/2025 | 21:47:47 | 70.71,-149.72 | 47.37 | 67.08 | 68 |
| 4 | 06/13/2025 | 22:37:08 | -70.11, 17.01 | 133.21 | 06/13/2025 | 22:37:26 | -70.11, 17.04 | 133.21 | 0.85 | 18 |
| 5 | 06/13/2025 | 23:27:53 | 70.02,-175.54 | 46.69 | 06/13/2025 | 23:26:53 | 70.00,-175.47 | 46.69 | 2.78 | 60 |
| 6 | 06/16/2025 | 14:03:22 | 70.17, -34.64 | 46.76 | 06/16/2025 | 14:04:27 | 70.18, -34.63 | 46.75 | 0.80 | 65 |
| 7 | 06/16/2025 | 14:54:03 | -70.06, 132.86 | 133.37 | 06/16/2025 | 14:53:57 | -70.08, 132.86 | 133.35 | 2.15 | 6 |
| 8 | 06/16/2025 | 15:44:41 | 69.59, -59.15 | 46.15 | 06/16/2025 | 15:43:30 | 69.64, -60.11 | 46.23 | 37.53 | 71 |
| 9 | 06/19/2025 | 06:20:18 | 70.13, 81.19 | 46.66 | 06/19/2025 | 06:20:59 | 70.13, 81.17 | 46.65 | 0.79 | 41 |
| 10 | 06/19/2025 | 07:10:59 | -70.01,-111.30 | 133.47 | 06/19/2025 | 07:10:29 | -70.03,-111.33 | 133.45 | 2.50 | 30 |
| 11 | 06/21/2025 | 21:46:44 | -70.95, 28.33 | 132.49 | 06/21/2025 | 21:47:51 | -70.88, 30.53 | 132.63 | 80.45 | 67 |
| 12 | 06/21/2025 | 22:37:14 | 70.08,-162.97 | 46.60 | 06/21/2025 | 22:37:30 | 70.11,-162.97 | 46.63 | 3.08 | 16 |
| 13 | 06/21/2025 | 23:27:56 | -70.01, 4.45 | 133.47 | 06/21/2025 | 23:27:00 | -70.01, 4.53 | 133.47 | 2.80 | 56 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/8/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8