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 | 70.13, 81.13 | 53.51 | 08/06/2025 | 06:21:16 | 70.11, 81.17 | 53.48 | 2.41 | 44 |
| 2 | 08/06/2025 | 07:11:14 | -70.02,-111.38 | 126.60 | 08/06/2025 | 07:10:46 | -70.00,-111.36 | 126.62 | 1.67 | 28 |
| 3 | 08/08/2025 | 21:47:00 | -71.09, 28.03 | 124.73 | 08/08/2025 | 21:48:06 | -70.97, 30.67 | 124.96 | 96.38 | 66 |
| 4 | 08/08/2025 | 22:37:26 | 70.07,-163.00 | 54.19 | 08/08/2025 | 22:37:48 | 70.05,-163.06 | 54.17 | 3.05 | 22 |
| 5 | 08/08/2025 | 23:28:08 | -69.94, 4.50 | 125.93 | 08/08/2025 | 23:27:18 | -69.94, 4.43 | 125.93 | 2.86 | 50 |
| 6 | 08/11/2025 | 14:03:39 | -70.24, 145.19 | 124.85 | 08/11/2025 | 14:04:50 | -70.23, 145.45 | 124.88 | 9.74 | 71 |
| 7 | 08/11/2025 | 14:54:21 | 70.06, -47.22 | 54.97 | 08/11/2025 | 14:54:18 | 70.07, -47.14 | 54.98 | 3.18 | 3 |
| 8 | 08/11/2025 | 15:45:02 | -69.88, 120.37 | 125.21 | 08/11/2025 | 15:43:49 | -69.91, 120.27 | 125.17 | 5.28 | 73 |
| 9 | 08/14/2025 | 06:20:32 | -70.13, -98.86 | 124.16 | 08/14/2025 | 06:21:22 | -70.13, -98.82 | 124.17 | 1.94 | 50 |
| 10 | 08/14/2025 | 07:11:15 | 70.00, 68.65 | 55.72 | 08/14/2025 | 07:10:49 | 70.02, 68.67 | 55.74 | 3.10 | 26 |
| 11 | 08/14/2025 | 08:01:41 | -69.02,-122.63 | 125.29 | 08/14/2025 | 08:00:34 | -69.09,-124.95 | 125.13 | 92.76 | 67 |
| 12 | 08/16/2025 | 22:37:25 | -70.07, 17.00 | 123.39 | 08/16/2025 | 22:37:52 | -70.07, 16.98 | 123.39 | 1.05 | 27 |
| 13 | 08/16/2025 | 23:28:08 | 69.94,-175.50 | 56.49 | 08/16/2025 | 23:27:19 | 69.96,-175.54 | 56.52 | 2.65 | 49 |
| 14 | 08/19/2025 | 14:03:39 | 70.25, -34.83 | 57.66 | 08/19/2025 | 14:04:51 | 70.20, -34.59 | 57.59 | 10.50 | 72 |
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