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: 6/20/2025
| 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 | 06/21/2025 | 21:46:43 | -70.96, 28.32 | 132.48 | 06/21/2025 | 21:47:50 | -70.86, 30.50 | 132.65 | 80.31 | 67 |
| 2 | 06/21/2025 | 22:37:13 | 70.08,-162.97 | 46.60 | 06/21/2025 | 22:37:29 | 70.10,-162.98 | 46.62 | 2.61 | 16 |
| 3 | 06/21/2025 | 23:27:54 | -69.97, 4.52 | 133.52 | 06/21/2025 | 23:26:59 | -69.99, 4.50 | 133.49 | 2.86 | 55 |
| 4 | 06/24/2025 | 14:03:25 | -70.19, 145.32 | 133.24 | 06/24/2025 | 14:04:33 | -70.17, 145.35 | 133.27 | 2.96 | 68 |
| 5 | 06/24/2025 | 14:54:09 | 70.05, -47.16 | 46.62 | 06/24/2025 | 14:54:00 | 70.06, -47.15 | 46.63 | 1.46 | 9 |
| 6 | 06/24/2025 | 15:44:46 | -69.72, 120.65 | 133.73 | 06/24/2025 | 15:43:33 | -69.79, 120.10 | 133.63 | 22.68 | 73 |
| 7 | 06/27/2025 | 06:20:20 | -70.11, -98.79 | 133.23 | 06/27/2025 | 06:21:04 | -70.12, -98.84 | 133.23 | 2.08 | 44 |
| 8 | 06/27/2025 | 07:11:05 | 70.03, 68.65 | 46.68 | 06/27/2025 | 07:10:31 | 70.01, 68.65 | 46.67 | 1.80 | 34 |
| 9 | 06/29/2025 | 21:46:47 | 70.84,-151.51 | 47.68 | 06/29/2025 | 21:47:55 | 70.70,-149.73 | 47.47 | 67.12 | 68 |
| 10 | 06/29/2025 | 22:37:16 | -70.08, 17.02 | 133.12 | 06/29/2025 | 22:37:34 | -70.11, 17.03 | 133.10 | 2.89 | 18 |
| 11 | 06/29/2025 | 23:28:01 | 70.00,-175.56 | 46.80 | 06/29/2025 | 23:27:01 | 69.99,-175.49 | 46.80 | 2.82 | 60 |
| 12 | 07/02/2025 | 14:03:29 | 70.14, -34.63 | 47.13 | 07/02/2025 | 14:04:34 | 70.13, -34.70 | 47.11 | 3.17 | 65 |
| 13 | 07/02/2025 | 14:54:11 | -70.06, 132.82 | 132.95 | 07/02/2025 | 14:54:03 | -70.08, 132.88 | 132.93 | 3.38 | 8 |
| 14 | 07/02/2025 | 15:44:47 | 69.51, -59.06 | 46.48 | 07/02/2025 | 15:43:37 | 69.58, -60.18 | 46.60 | 44.19 | 70 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/20/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/20/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8