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: 7/5/2025
| 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 | 07/05/2025 | 06:20:25 | 70.11, 81.19 | 47.34 | 07/05/2025 | 06:21:04 | 70.11, 81.16 | 47.33 | 1.21 | 39 |
| 2 | 07/05/2025 | 07:11:06 | -69.99,-111.30 | 132.79 | 07/05/2025 | 07:10:34 | -69.99,-111.37 | 132.78 | 2.70 | 32 |
| 3 | 07/07/2025 | 21:46:48 | -70.80, 28.55 | 131.65 | 07/07/2025 | 21:47:57 | -70.70, 30.28 | 131.83 | 64.33 | 69 |
| 4 | 07/07/2025 | 22:37:21 | 70.10,-163.02 | 47.61 | 07/07/2025 | 22:37:33 | 70.11,-162.95 | 47.61 | 2.91 | 12 |
| 5 | 07/07/2025 | 23:28:02 | -69.97, 4.49 | 132.53 | 07/07/2025 | 23:27:04 | -69.94, 4.45 | 132.54 | 3.09 | 58 |
| 6 | 07/10/2025 | 14:03:32 | -70.16, 145.34 | 132.01 | 07/10/2025 | 14:04:36 | -70.15, 145.34 | 132.03 | 0.91 | 64 |
| 7 | 07/10/2025 | 14:54:16 | 70.04, -47.16 | 47.87 | 07/10/2025 | 14:54:03 | 70.04, -47.17 | 47.88 | 0.47 | 13 |
| 8 | 07/10/2025 | 15:44:50 | -69.53, 120.91 | 132.66 | 07/10/2025 | 15:43:39 | -69.60, 119.86 | 132.53 | 41.47 | 71 |
| 9 | 07/13/2025 | 06:20:27 | -70.14, -98.87 | 131.64 | 07/13/2025 | 06:21:04 | -70.13, -98.80 | 131.67 | 3.35 | 37 |
| 10 | 07/13/2025 | 07:11:11 | 70.03, 68.61 | 48.24 | 07/13/2025 | 07:10:31 | 70.01, 68.68 | 48.23 | 3.35 | 40 |
| 11 | 07/15/2025 | 21:46:48 | 70.60,-151.15 | 49.26 | 07/15/2025 | 21:47:58 | 70.46,-150.06 | 49.06 | 43.31 | 70 |
| 12 | 07/15/2025 | 22:37:22 | -70.08, 16.99 | 131.29 | 07/15/2025 | 22:37:33 | -70.09, 17.03 | 131.29 | 1.54 | 11 |
| 13 | 07/15/2025 | 23:28:06 | 69.98,-175.54 | 48.61 | 07/15/2025 | 23:27:00 | 69.97,-175.49 | 48.61 | 1.93 | 66 |
| 14 | 07/18/2025 | 14:03:35 | 70.13, -34.63 | 49.22 | 07/18/2025 | 14:04:32 | 70.13, -34.65 | 49.21 | 0.66 | 57 |
| 15 | 07/18/2025 | 14:54:17 | -70.02, 132.85 | 130.89 | 07/18/2025 | 14:54:02 | -70.03, 132.84 | 130.88 | 1.16 | 15 |
| 16 | 07/18/2025 | 15:44:48 | 69.23, -58.69 | 48.29 | 07/18/2025 | 15:43:40 | 69.31, -60.51 | 48.45 | 72.06 | 68 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/5/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/05/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8