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: 6/22/2025
| 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 | 06/24/2025 | 14:03:25 | -70.17, 145.36 | 133.27 | 06/24/2025 | 14:04:34 | -70.14, 145.32 | 133.30 | 2.85 | 69 |
| 2 | 06/24/2025 | 14:54:10 | 70.07, -47.19 | 46.64 | 06/24/2025 | 14:54:01 | 70.04, -47.19 | 46.61 | 3.57 | 9 |
| 3 | 06/24/2025 | 15:44:46 | -69.69, 120.70 | 133.76 | 06/24/2025 | 15:43:34 | -69.77, 120.07 | 133.66 | 25.61 | 72 |
| 4 | 06/27/2025 | 06:20:20 | -70.13, -98.82 | 133.21 | 06/27/2025 | 06:21:03 | -70.15, -98.79 | 133.20 | 2.56 | 43 |
| 5 | 06/27/2025 | 07:11:04 | 69.99, 68.70 | 46.65 | 06/27/2025 | 07:10:31 | 69.99, 68.62 | 46.65 | 2.86 | 33 |
| 6 | 06/29/2025 | 21:46:46 | 70.81,-151.45 | 47.65 | 06/29/2025 | 21:47:54 | 70.74,-149.67 | 47.51 | 65.65 | 68 |
| 7 | 06/29/2025 | 22:37:16 | -70.10, 16.99 | 133.10 | 06/29/2025 | 22:37:34 | -70.09, 17.00 | 133.11 | 1.23 | 18 |
| 8 | 06/29/2025 | 23:28:00 | 69.97,-175.50 | 46.76 | 06/29/2025 | 23:27:01 | 69.98,-175.51 | 46.78 | 1.46 | 59 |
| 9 | 07/02/2025 | 14:03:30 | 70.15, -34.65 | 47.15 | 07/02/2025 | 14:04:34 | 70.17, -34.63 | 47.15 | 2.13 | 64 |
| 10 | 07/02/2025 | 14:54:12 | -70.07, 132.79 | 132.94 | 07/02/2025 | 14:54:04 | -70.07, 132.86 | 132.94 | 2.43 | 8 |
| 11 | 07/02/2025 | 15:44:48 | 69.52, -59.08 | 46.49 | 07/02/2025 | 15:43:38 | 69.57, -60.19 | 46.59 | 43.69 | 70 |
| 12 | 07/05/2025 | 06:20:26 | 70.14, 81.15 | 47.37 | 07/05/2025 | 06:21:04 | 70.14, 81.20 | 47.36 | 2.06 | 38 |
| 13 | 07/05/2025 | 07:11:07 | -70.00,-111.32 | 132.78 | 07/05/2025 | 07:10:35 | -69.99,-111.38 | 132.79 | 2.62 | 32 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/22/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/22/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8