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: 6/15/2025
| 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 | 06/16/2025 | 14:03:22 | 70.16, -34.61 | 46.74 | 06/16/2025 | 14:04:28 | 70.14, -34.68 | 46.71 | 3.43 | 66 |
| 2 | 06/16/2025 | 14:54:04 | -70.10, 132.79 | 133.32 | 06/16/2025 | 14:53:57 | -70.08, 132.87 | 133.34 | 3.52 | 7 |
| 3 | 06/16/2025 | 15:44:41 | 69.58, -59.12 | 46.14 | 06/16/2025 | 15:43:30 | 69.65, -60.09 | 46.24 | 38.41 | 71 |
| 4 | 06/19/2025 | 06:20:18 | 70.12, 81.21 | 46.65 | 06/19/2025 | 06:20:59 | 70.13, 81.18 | 46.65 | 1.67 | 41 |
| 5 | 06/19/2025 | 07:10:59 | -70.00,-111.30 | 133.48 | 06/19/2025 | 07:10:29 | -70.02,-111.34 | 133.46 | 2.46 | 30 |
| 6 | 06/21/2025 | 21:46:43 | -70.96, 28.32 | 132.48 | 06/21/2025 | 21:47:50 | -70.87, 30.51 | 132.65 | 80.51 | 67 |
| 7 | 06/21/2025 | 22:37:13 | 70.09,-162.97 | 46.61 | 06/21/2025 | 22:37:29 | 70.10,-162.98 | 46.62 | 2.03 | 16 |
| 8 | 06/21/2025 | 23:27:55 | -70.02, 4.44 | 133.46 | 06/21/2025 | 23:26:59 | -70.00, 4.51 | 133.48 | 3.41 | 56 |
| 9 | 06/24/2025 | 14:03:25 | -70.20, 145.31 | 133.24 | 06/24/2025 | 14:04:33 | -70.17, 145.36 | 133.27 | 3.01 | 68 |
| 10 | 06/24/2025 | 14:54:09 | 70.06, -47.17 | 46.62 | 06/24/2025 | 14:54:00 | 70.06, -47.16 | 46.62 | 0.47 | 9 |
| 11 | 06/24/2025 | 15:44:46 | -69.73, 120.65 | 133.73 | 06/24/2025 | 15:43:33 | -69.80, 120.10 | 133.63 | 22.45 | 73 |
| 12 | 06/27/2025 | 06:20:20 | -70.12, -98.80 | 133.23 | 06/27/2025 | 06:21:04 | -70.12, -98.84 | 133.23 | 1.63 | 44 |
| 13 | 06/27/2025 | 07:11:04 | 69.98, 68.71 | 46.64 | 06/27/2025 | 07:10:31 | 70.00, 68.64 | 46.66 | 3.18 | 33 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/15/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/15/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8