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: 7/1/2025
| 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 | 14:03:29 | 70.13, -34.60 | 47.12 | 07/02/2025 | 14:04:34 | 70.15, -34.67 | 47.13 | 3.44 | 65 |
| 2 | 07/02/2025 | 14:54:11 | -70.06, 132.83 | 132.96 | 07/02/2025 | 14:54:04 | -70.03, 132.81 | 132.98 | 2.53 | 7 |
| 3 | 07/02/2025 | 15:44:48 | 69.55, -59.11 | 46.52 | 07/02/2025 | 15:43:37 | 69.60, -60.15 | 46.62 | 40.89 | 71 |
| 4 | 07/05/2025 | 06:20:25 | 70.11, 81.19 | 47.34 | 07/05/2025 | 06:21:04 | 70.11, 81.16 | 47.33 | 1.33 | 39 |
| 5 | 07/05/2025 | 07:11:06 | -69.98,-111.30 | 132.80 | 07/05/2025 | 07:10:34 | -70.00,-111.36 | 132.78 | 3.08 | 32 |
| 6 | 07/07/2025 | 21:46:48 | -70.80, 28.55 | 131.66 | 07/07/2025 | 21:47:57 | -70.71, 30.28 | 131.82 | 64.24 | 69 |
| 7 | 07/07/2025 | 22:37:21 | 70.10,-163.03 | 47.61 | 07/07/2025 | 22:37:33 | 70.11,-162.96 | 47.61 | 2.71 | 12 |
| 8 | 07/07/2025 | 23:28:02 | -69.96, 4.50 | 132.53 | 07/07/2025 | 23:27:04 | -69.95, 4.45 | 132.54 | 2.69 | 58 |
| 9 | 07/10/2025 | 14:03:32 | -70.16, 145.34 | 132.01 | 07/10/2025 | 14:04:36 | -70.15, 145.34 | 132.03 | 0.87 | 64 |
| 10 | 07/10/2025 | 14:54:16 | 70.04, -47.17 | 47.88 | 07/10/2025 | 14:54:03 | 70.04, -47.17 | 47.87 | 0.58 | 13 |
| 11 | 07/10/2025 | 15:44:50 | -69.53, 120.91 | 132.66 | 07/10/2025 | 15:43:39 | -69.60, 119.86 | 132.53 | 41.46 | 71 |
| 12 | 07/13/2025 | 06:20:26 | -70.09, -98.80 | 131.70 | 07/13/2025 | 06:21:04 | -70.12, -98.81 | 131.68 | 3.07 | 38 |
| 13 | 07/13/2025 | 07:11:10 | 69.99, 68.68 | 48.20 | 07/13/2025 | 07:10:31 | 70.01, 68.67 | 48.22 | 2.24 | 39 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/1/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/01/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8