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: 5/25/2025
| 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 | 05/26/2025 | 06:20:00 | -70.17, -98.79 | 131.08 | 05/26/2025 | 06:20:47 | -70.18, -98.75 | 131.09 | 1.59 | 47 |
| 2 | 05/26/2025 | 07:10:44 | 70.03, 68.73 | 48.77 | 05/26/2025 | 07:10:15 | 70.02, 68.68 | 48.76 | 2.32 | 29 |
| 3 | 05/28/2025 | 21:46:28 | 70.94,-151.59 | 49.29 | 05/28/2025 | 21:47:35 | 70.86,-149.48 | 49.16 | 77.39 | 67 |
| 4 | 05/28/2025 | 22:36:56 | -70.14, 17.02 | 131.55 | 05/28/2025 | 22:37:16 | -70.15, 17.10 | 131.55 | 2.96 | 20 |
| 5 | 05/28/2025 | 23:27:40 | 70.00,-175.46 | 48.30 | 05/28/2025 | 23:26:44 | 69.99,-175.48 | 48.30 | 1.30 | 56 |
| 6 | 05/31/2025 | 14:03:11 | 70.18, -34.60 | 48.11 | 05/31/2025 | 14:04:17 | 70.16, -34.64 | 48.08 | 2.70 | 66 |
| 7 | 05/31/2025 | 14:53:52 | -70.06, 132.91 | 132.03 | 05/31/2025 | 14:53:47 | -70.05, 132.84 | 132.03 | 2.80 | 5 |
| 8 | 05/31/2025 | 15:44:30 | 69.60, -59.10 | 47.50 | 05/31/2025 | 15:43:19 | 69.67, -60.05 | 47.59 | 37.53 | 71 |
| 9 | 06/03/2025 | 06:20:08 | 70.15, 81.20 | 47.74 | 06/03/2025 | 06:20:46 | 70.15, 81.23 | 47.73 | 1.25 | 38 |
| 10 | 06/03/2025 | 07:10:49 | -70.03,-111.29 | 132.40 | 06/03/2025 | 07:10:16 | -70.04,-111.29 | 132.38 | 1.46 | 33 |
| 11 | 06/05/2025 | 21:46:31 | -70.79, 28.64 | 131.89 | 06/05/2025 | 21:47:40 | -70.67, 30.24 | 132.06 | 60.60 | 69 |
| 12 | 06/05/2025 | 22:37:04 | 70.08,-162.93 | 47.36 | 06/05/2025 | 22:37:16 | 70.07,-163.00 | 47.35 | 2.99 | 12 |
| 13 | 06/05/2025 | 23:27:46 | -70.01, 4.50 | 132.72 | 06/05/2025 | 23:26:45 | -70.02, 4.57 | 132.70 | 2.84 | 61 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/25/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/25/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8