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: 8/5/2025
| 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 | 08/06/2025 | 06:20:32 | 70.09, 81.19 | 53.47 | 08/06/2025 | 06:21:17 | 70.10, 81.15 | 53.47 | 2.02 | 45 |
| 2 | 08/06/2025 | 07:11:14 | -69.97,-111.32 | 126.65 | 08/06/2025 | 07:10:47 | -69.99,-111.38 | 126.63 | 2.89 | 27 |
| 3 | 08/08/2025 | 21:47:00 | -71.10, 28.01 | 124.72 | 08/08/2025 | 21:48:06 | -70.95, 30.65 | 124.97 | 96.81 | 66 |
| 4 | 08/08/2025 | 22:37:26 | 70.08,-163.02 | 54.21 | 08/08/2025 | 22:37:47 | 70.09,-163.00 | 54.21 | 1.42 | 21 |
| 5 | 08/08/2025 | 23:28:08 | -69.96, 4.48 | 125.91 | 08/08/2025 | 23:27:17 | -69.98, 4.49 | 125.88 | 2.60 | 51 |
| 6 | 08/11/2025 | 14:03:39 | -70.25, 145.17 | 124.84 | 08/11/2025 | 14:04:50 | -70.22, 145.43 | 124.89 | 10.44 | 71 |
| 7 | 08/11/2025 | 14:54:21 | 70.07, -47.24 | 54.98 | 08/11/2025 | 14:54:18 | 70.06, -47.16 | 54.96 | 3.11 | 3 |
| 8 | 08/11/2025 | 15:45:02 | -69.89, 120.35 | 125.20 | 08/11/2025 | 15:43:49 | -69.90, 120.25 | 125.18 | 3.95 | 73 |
| 9 | 08/14/2025 | 06:20:32 | -70.14, -98.88 | 124.15 | 08/14/2025 | 06:21:22 | -70.12, -98.84 | 124.18 | 2.78 | 50 |
| 10 | 08/14/2025 | 07:11:15 | 70.01, 68.62 | 55.73 | 08/14/2025 | 07:10:49 | 70.01, 68.65 | 55.73 | 1.02 | 26 |
| 11 | 08/14/2025 | 08:01:41 | -69.03,-122.65 | 125.28 | 08/14/2025 | 08:00:34 | -69.08,-124.97 | 125.14 | 92.46 | 67 |
| 12 | 08/16/2025 | 22:37:26 | -70.08, 16.97 | 123.37 | 08/16/2025 | 22:37:53 | -70.06, 16.96 | 123.40 | 2.69 | 27 |
| 13 | 08/16/2025 | 23:28:09 | 69.96,-175.52 | 56.51 | 08/16/2025 | 23:27:20 | 69.94,-175.56 | 56.51 | 1.93 | 49 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/5/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/05/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8