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: 5/9/2025
| 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 | 06:19:44 | -70.19, -98.75 | 127.59 | 05/10/2025 | 06:20:41 | -70.19, -98.73 | 127.60 | 0.47 | 57 |
| 2 | 05/10/2025 | 07:10:28 | 70.08, 68.74 | 52.29 | 05/10/2025 | 07:10:08 | 70.09, 68.77 | 52.30 | 2.05 | 20 |
| 3 | 05/10/2025 | 08:00:58 | -69.35,-122.87 | 128.47 | 05/10/2025 | 07:59:49 | -69.38,-124.59 | 128.41 | 67.39 | 69 |
| 4 | 05/12/2025 | 22:36:41 | -70.13, 17.11 | 128.33 | 05/12/2025 | 22:37:12 | -70.14, 17.08 | 128.32 | 2.13 | 31 |
| 5 | 05/12/2025 | 23:27:25 | 70.01,-175.40 | 51.54 | 05/12/2025 | 23:26:39 | 70.04,-175.43 | 51.57 | 3.22 | 46 |
| 6 | 05/15/2025 | 14:02:59 | 70.37, -34.83 | 51.29 | 05/15/2025 | 14:04:10 | 70.29, -34.47 | 51.19 | 16.78 | 71 |
| 7 | 05/15/2025 | 14:53:38 | -70.12, 132.88 | 128.98 | 05/15/2025 | 14:53:41 | -70.12, 132.93 | 128.99 | 2.06 | 3 |
| 8 | 05/15/2025 | 15:44:21 | 69.95, -59.56 | 50.84 | 05/15/2025 | 15:43:09 | 69.96, -59.66 | 50.85 | 3.86 | 72 |
| 9 | 05/18/2025 | 06:19:53 | 70.16, 81.25 | 50.47 | 05/18/2025 | 06:20:41 | 70.18, 81.26 | 50.48 | 1.80 | 48 |
| 10 | 05/18/2025 | 07:10:35 | -70.07,-111.29 | 129.64 | 05/18/2025 | 07:10:11 | -70.08,-111.25 | 129.63 | 1.41 | 24 |
| 11 | 05/20/2025 | 21:46:23 | -71.13, 28.14 | 129.09 | 05/20/2025 | 21:47:29 | -71.03, 30.79 | 129.24 | 96.11 | 66 |
| 12 | 05/20/2025 | 22:36:50 | 70.12,-162.92 | 49.86 | 05/20/2025 | 22:37:11 | 70.10,-162.96 | 49.84 | 2.31 | 21 |
| 13 | 05/20/2025 | 23:27:32 | -70.03, 4.53 | 130.24 | 05/20/2025 | 23:26:41 | -70.00, 4.53 | 130.27 | 3.10 | 51 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/9/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/09/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8