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: 5/18/2025
| 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 | 05/18/2025 | 06:19:54 | 70.18, 81.23 | 50.49 | 05/18/2025 | 06:20:43 | 70.16, 81.23 | 50.46 | 2.39 | 49 |
| 2 | 05/18/2025 | 07:10:35 | -70.05,-111.25 | 129.66 | 05/18/2025 | 07:10:13 | -70.04,-111.30 | 129.66 | 1.90 | 22 |
| 3 | 05/20/2025 | 22:36:50 | 70.13,-162.94 | 49.88 | 05/20/2025 | 22:37:13 | 70.12,-162.95 | 49.86 | 1.48 | 23 |
| 4 | 05/20/2025 | 23:27:31 | -70.00, 4.58 | 130.27 | 05/20/2025 | 23:26:43 | -70.01, 4.53 | 130.26 | 1.98 | 48 |
| 5 | 05/23/2025 | 14:03:04 | -70.28, 145.29 | 130.50 | 05/23/2025 | 14:04:15 | -70.27, 145.51 | 130.51 | 8.22 | 71 |
| 6 | 05/23/2025 | 14:53:47 | 70.09, -47.12 | 49.31 | 05/23/2025 | 14:53:43 | 70.11, -47.08 | 49.33 | 2.69 | 4 |
| 7 | 05/23/2025 | 15:44:27 | -69.91, 120.48 | 130.89 | 05/23/2025 | 15:43:14 | -69.95, 120.32 | 130.84 | 7.19 | 73 |
| 8 | 05/26/2025 | 06:19:59 | -70.14, -98.74 | 131.12 | 05/26/2025 | 06:20:47 | -70.13, -98.81 | 131.13 | 2.74 | 48 |
| 9 | 05/26/2025 | 07:10:44 | 70.06, 68.69 | 48.80 | 05/26/2025 | 07:10:13 | 70.08, 68.76 | 48.82 | 3.50 | 31 |
| 10 | 05/28/2025 | 21:46:28 | 70.93,-151.56 | 49.28 | 05/28/2025 | 21:47:35 | 70.84,-149.50 | 49.14 | 75.32 | 67 |
| 11 | 05/28/2025 | 22:36:56 | -70.11, 17.06 | 131.58 | 05/28/2025 | 22:37:16 | -70.14, 17.08 | 131.56 | 2.73 | 20 |
| 12 | 05/28/2025 | 23:27:41 | 70.03,-175.51 | 48.34 | 05/28/2025 | 23:26:43 | 70.02,-175.43 | 48.33 | 3.00 | 58 |
| 13 | 05/31/2025 | 14:03:10 | 70.17, -34.58 | 48.10 | 05/31/2025 | 14:04:15 | 70.16, -34.63 | 48.08 | 2.08 | 65 |
| 14 | 05/31/2025 | 14:53:51 | -70.04, 132.94 | 132.04 | 05/31/2025 | 14:53:45 | -70.06, 132.86 | 132.02 | 3.67 | 6 |
| 15 | 05/31/2025 | 15:44:29 | 69.59, -59.09 | 47.49 | 05/31/2025 | 15:43:18 | 69.61, -60.12 | 47.54 | 40.01 | 71 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/18/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/18/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8