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: 6/29/2025
| 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 | 06/29/2025 | 21:46:47 | 70.84,-151.51 | 47.69 | 06/29/2025 | 21:47:55 | 70.70,-149.73 | 47.47 | 67.20 | 68 |
| 2 | 06/29/2025 | 22:37:16 | -70.10, 17.00 | 133.11 | 06/29/2025 | 22:37:34 | -70.10, 17.02 | 133.11 | 0.68 | 18 |
| 3 | 06/29/2025 | 23:28:01 | 70.01,-175.56 | 46.80 | 06/29/2025 | 23:27:01 | 70.00,-175.49 | 46.80 | 2.88 | 60 |
| 4 | 07/02/2025 | 14:03:30 | 70.14, -34.62 | 47.13 | 07/02/2025 | 14:04:35 | 70.14, -34.68 | 47.12 | 2.37 | 65 |
| 5 | 07/02/2025 | 14:54:12 | -70.07, 132.81 | 132.94 | 07/02/2025 | 14:54:04 | -70.08, 132.87 | 132.93 | 3.00 | 8 |
| 6 | 07/02/2025 | 15:44:49 | 69.56, -59.13 | 46.53 | 07/02/2025 | 15:43:38 | 69.59, -60.17 | 46.61 | 40.33 | 71 |
| 7 | 07/05/2025 | 06:20:25 | 70.12, 81.17 | 47.35 | 07/05/2025 | 06:21:04 | 70.10, 81.15 | 47.33 | 2.06 | 39 |
| 8 | 07/05/2025 | 07:11:06 | -69.99,-111.31 | 132.79 | 07/05/2025 | 07:10:34 | -70.00,-111.36 | 132.77 | 2.10 | 32 |
| 9 | 07/07/2025 | 21:46:48 | -70.81, 28.54 | 131.65 | 07/07/2025 | 21:47:57 | -70.72, 30.30 | 131.81 | 65.14 | 69 |
| 10 | 07/07/2025 | 22:37:20 | 70.06,-162.96 | 47.56 | 07/07/2025 | 22:37:34 | 70.06,-163.02 | 47.57 | 2.49 | 14 |
| 11 | 07/07/2025 | 23:28:02 | -69.97, 4.49 | 132.52 | 07/07/2025 | 23:27:04 | -69.96, 4.47 | 132.53 | 1.47 | 58 |
| 12 | 07/10/2025 | 14:03:32 | -70.16, 145.34 | 132.00 | 07/10/2025 | 14:04:36 | -70.18, 145.38 | 132.00 | 2.51 | 64 |
| 13 | 07/10/2025 | 14:54:16 | 70.04, -47.18 | 47.88 | 07/10/2025 | 14:54:03 | 70.06, -47.14 | 47.90 | 2.36 | 13 |
| 14 | 07/10/2025 | 15:44:51 | -69.58, 120.83 | 132.60 | 07/10/2025 | 15:43:39 | -69.63, 119.90 | 132.51 | 36.43 | 72 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/29/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/29/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8