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: 5/13/2025
| 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 | 05/15/2025 | 14:03:00 | 70.38, -34.85 | 51.30 | 05/15/2025 | 14:04:11 | 70.29, -34.46 | 51.19 | 17.73 | 71 |
| 2 | 05/15/2025 | 14:53:39 | -70.14, 132.85 | 128.97 | 05/15/2025 | 14:53:42 | -70.12, 132.93 | 128.99 | 3.33 | 3 |
| 3 | 05/15/2025 | 15:44:22 | 69.96, -59.57 | 50.85 | 05/15/2025 | 15:43:10 | 69.97, -59.65 | 50.86 | 3.01 | 72 |
| 4 | 05/18/2025 | 06:19:53 | 70.17, 81.24 | 50.47 | 05/18/2025 | 06:20:42 | 70.15, 81.21 | 50.44 | 3.01 | 49 |
| 5 | 05/18/2025 | 07:10:35 | -70.08,-111.31 | 129.63 | 05/18/2025 | 07:10:11 | -70.09,-111.23 | 129.62 | 2.81 | 24 |
| 6 | 05/20/2025 | 22:36:50 | 70.12,-162.92 | 49.86 | 05/20/2025 | 22:37:11 | 70.14,-162.91 | 49.88 | 2.75 | 21 |
| 7 | 05/20/2025 | 23:27:32 | -70.03, 4.53 | 130.24 | 05/20/2025 | 23:26:41 | -70.04, 4.57 | 130.23 | 1.80 | 51 |
| 8 | 05/23/2025 | 14:03:03 | -70.20, 145.41 | 130.58 | 05/23/2025 | 14:04:14 | -70.18, 145.38 | 130.61 | 2.65 | 71 |
| 9 | 05/23/2025 | 14:53:47 | 70.07, -47.09 | 49.29 | 05/23/2025 | 14:53:41 | 70.06, -47.13 | 49.28 | 1.85 | 6 |
| 10 | 05/23/2025 | 15:44:26 | -69.83, 120.59 | 130.97 | 05/23/2025 | 15:43:13 | -69.85, 120.20 | 130.94 | 15.13 | 73 |
| 11 | 05/26/2025 | 06:20:00 | -70.16, -98.77 | 131.09 | 05/26/2025 | 06:20:43 | -70.13, -98.79 | 131.13 | 2.97 | 43 |
| 12 | 05/26/2025 | 07:10:44 | 70.04, 68.73 | 48.77 | 05/26/2025 | 07:10:10 | 70.02, 68.69 | 48.76 | 2.16 | 34 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/13/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/13/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8