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: 6/25/2025
| 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 | 06/27/2025 | 06:20:20 | -70.13, -98.82 | 133.22 | 06/27/2025 | 06:21:04 | -70.10, -98.86 | 133.25 | 3.17 | 44 |
| 2 | 06/27/2025 | 07:11:04 | 69.98, 68.71 | 46.64 | 06/27/2025 | 07:10:31 | 70.00, 68.64 | 46.66 | 3.35 | 33 |
| 3 | 06/29/2025 | 21:46:46 | 70.80,-151.44 | 47.64 | 06/29/2025 | 21:47:55 | 70.70,-149.74 | 47.47 | 63.30 | 69 |
| 4 | 06/29/2025 | 22:37:16 | -70.10, 17.00 | 133.11 | 06/29/2025 | 22:37:34 | -70.10, 17.01 | 133.11 | 0.67 | 18 |
| 5 | 06/29/2025 | 23:28:01 | 70.01,-175.57 | 46.81 | 06/29/2025 | 23:27:01 | 69.99,-175.49 | 46.79 | 3.58 | 60 |
| 6 | 07/02/2025 | 14:03:30 | 70.14, -34.63 | 47.14 | 07/02/2025 | 14:04:35 | 70.13, -34.69 | 47.11 | 3.02 | 65 |
| 7 | 07/02/2025 | 14:54:12 | -70.07, 132.80 | 132.94 | 07/02/2025 | 14:54:04 | -70.08, 132.87 | 132.94 | 2.75 | 8 |
| 8 | 07/02/2025 | 15:44:48 | 69.51, -59.06 | 46.48 | 07/02/2025 | 15:43:38 | 69.58, -60.18 | 46.60 | 44.04 | 70 |
| 9 | 07/05/2025 | 06:20:25 | 70.13, 81.16 | 47.35 | 07/05/2025 | 06:21:03 | 70.15, 81.22 | 47.37 | 3.23 | 38 |
| 10 | 07/05/2025 | 07:11:06 | -69.99,-111.31 | 132.79 | 07/05/2025 | 07:10:34 | -69.99,-111.37 | 132.78 | 2.28 | 32 |
| 11 | 07/07/2025 | 21:46:48 | -70.80, 28.54 | 131.65 | 07/07/2025 | 21:47:57 | -70.71, 30.28 | 131.82 | 64.60 | 69 |
| 12 | 07/07/2025 | 22:37:21 | 70.11,-163.05 | 47.62 | 07/07/2025 | 22:37:33 | 70.10,-162.97 | 47.61 | 3.15 | 12 |
| 13 | 07/07/2025 | 23:28:02 | -69.97, 4.49 | 132.53 | 07/07/2025 | 23:27:04 | -69.95, 4.45 | 132.54 | 2.70 | 58 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/25/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/25/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8