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: 6/30/2025
| 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 | 07/02/2025 | 14:03:30 | 70.16, -34.65 | 47.15 | 07/02/2025 | 14:04:34 | 70.17, -34.63 | 47.15 | 1.66 | 64 |
| 2 | 07/02/2025 | 14:54:11 | -70.03, 132.86 | 132.98 | 07/02/2025 | 14:54:04 | -70.06, 132.84 | 132.95 | 3.09 | 7 |
| 3 | 07/02/2025 | 15:44:48 | 69.52, -59.08 | 46.49 | 07/02/2025 | 15:43:38 | 69.57, -60.19 | 46.59 | 43.60 | 70 |
| 4 | 07/05/2025 | 06:20:26 | 70.14, 81.14 | 47.37 | 07/05/2025 | 06:21:04 | 70.14, 81.20 | 47.36 | 2.21 | 38 |
| 5 | 07/05/2025 | 07:11:07 | -70.01,-111.34 | 132.77 | 07/05/2025 | 07:10:34 | -70.03,-111.32 | 132.74 | 2.61 | 33 |
| 6 | 07/07/2025 | 21:46:48 | -70.82, 28.51 | 131.63 | 07/07/2025 | 21:47:57 | -70.70, 30.26 | 131.83 | 65.73 | 69 |
| 7 | 07/07/2025 | 22:37:20 | 70.07,-162.99 | 47.58 | 07/07/2025 | 22:37:33 | 70.09,-162.98 | 47.60 | 2.34 | 13 |
| 8 | 07/07/2025 | 23:28:02 | -69.99, 4.46 | 132.51 | 07/07/2025 | 23:27:03 | -69.99, 4.51 | 132.50 | 1.91 | 59 |
| 9 | 07/10/2025 | 14:03:32 | -70.18, 145.31 | 131.99 | 07/10/2025 | 14:04:36 | -70.15, 145.34 | 132.02 | 3.08 | 64 |
| 10 | 07/10/2025 | 14:54:16 | 70.06, -47.20 | 47.90 | 07/10/2025 | 14:54:03 | 70.04, -47.17 | 47.87 | 2.97 | 13 |
| 11 | 07/10/2025 | 15:44:50 | -69.55, 120.88 | 132.64 | 07/10/2025 | 15:43:39 | -69.61, 119.86 | 132.53 | 39.97 | 71 |
| 12 | 07/13/2025 | 06:20:27 | -70.11, -98.82 | 131.68 | 07/13/2025 | 06:21:06 | -70.09, -98.86 | 131.71 | 3.10 | 39 |
| 13 | 07/13/2025 | 07:11:11 | 70.00, 68.66 | 48.21 | 07/13/2025 | 07:10:32 | 70.02, 68.69 | 48.24 | 2.88 | 39 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/30/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8