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: 5/8/2025
| 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 | 05/10/2025 | 06:19:45 | -70.24, -98.83 | 127.54 | 05/10/2025 | 06:20:39 | -70.22, -98.81 | 127.57 | 2.52 | 54 |
| 2 | 05/10/2025 | 07:10:29 | 70.13, 68.66 | 52.34 | 05/10/2025 | 07:10:06 | 70.12, 68.69 | 52.33 | 1.56 | 23 |
| 3 | 05/10/2025 | 08:00:56 | -69.24,-122.72 | 128.58 | 05/10/2025 | 07:59:49 | -69.29,-124.81 | 128.49 | 82.76 | 67 |
| 4 | 05/12/2025 | 21:46:17 | 71.16,-151.89 | 52.76 | 05/12/2025 | 21:47:23 | 71.04,-149.33 | 52.58 | 93.15 | 66 |
| 5 | 05/12/2025 | 22:36:42 | -70.18, 17.03 | 128.28 | 05/12/2025 | 22:37:07 | -70.16, 16.99 | 128.30 | 2.35 | 25 |
| 6 | 05/12/2025 | 23:27:26 | 70.06,-175.48 | 51.59 | 05/12/2025 | 23:26:34 | 70.06,-175.52 | 51.59 | 1.46 | 52 |
| 7 | 05/15/2025 | 14:02:57 | 70.27, -34.66 | 51.18 | 05/15/2025 | 14:04:03 | 70.25, -34.64 | 51.15 | 2.10 | 66 |
| 8 | 05/15/2025 | 14:53:38 | -70.12, 132.88 | 128.99 | 05/15/2025 | 14:53:33 | -70.14, 132.83 | 128.97 | 2.73 | 5 |
| 9 | 05/15/2025 | 15:44:16 | 69.69, -59.16 | 50.56 | 05/15/2025 | 15:43:05 | 69.75, -60.06 | 50.65 | 35.58 | 71 |
| 10 | 05/18/2025 | 06:19:54 | 70.21, 81.18 | 50.52 | 05/18/2025 | 06:20:30 | 70.20, 81.17 | 50.50 | 1.94 | 36 |
| 11 | 05/18/2025 | 07:10:35 | -70.07,-111.28 | 129.64 | 05/18/2025 | 07:10:00 | -70.09,-111.35 | 129.62 | 3.57 | 35 |
| 12 | 05/20/2025 | 21:46:14 | -70.65, 28.94 | 129.59 | 05/20/2025 | 21:47:25 | -70.51, 29.86 | 129.76 | 37.77 | 71 |
| 13 | 05/20/2025 | 22:36:51 | 70.17,-162.99 | 49.91 | 05/20/2025 | 22:36:56 | 70.17,-162.98 | 49.91 | 1.09 | 5 |
| 14 | 05/20/2025 | 23:27:33 | -70.07, 4.47 | 130.20 | 05/20/2025 | 23:26:26 | -70.07, 4.51 | 130.20 | 1.61 | 67 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/8/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8