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: 5/23/2025
| 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 | 05/23/2025 | 14:03:04 | -70.27, 145.30 | 130.50 | 05/23/2025 | 14:04:16 | -70.24, 145.46 | 130.55 | 6.82 | 72 |
| 2 | 05/23/2025 | 14:53:47 | 70.08, -47.10 | 49.30 | 05/23/2025 | 14:53:44 | 70.08, -47.12 | 49.30 | 0.81 | 3 |
| 3 | 05/23/2025 | 15:44:27 | -69.90, 120.49 | 130.90 | 05/23/2025 | 15:43:15 | -69.91, 120.27 | 130.88 | 8.28 | 72 |
| 4 | 05/26/2025 | 06:20:00 | -70.18, -98.80 | 131.08 | 05/26/2025 | 06:20:47 | -70.17, -98.76 | 131.09 | 1.73 | 47 |
| 5 | 05/26/2025 | 07:10:44 | 70.04, 68.72 | 48.78 | 05/26/2025 | 07:10:14 | 70.07, 68.74 | 48.81 | 3.16 | 30 |
| 6 | 05/28/2025 | 21:46:29 | 70.95,-151.60 | 49.30 | 05/28/2025 | 21:47:36 | 70.85,-149.49 | 49.15 | 77.58 | 67 |
| 7 | 05/28/2025 | 22:36:56 | -70.14, 17.01 | 131.55 | 05/28/2025 | 22:37:16 | -70.14, 17.08 | 131.56 | 2.63 | 20 |
| 8 | 05/28/2025 | 23:27:40 | 70.01,-175.47 | 48.31 | 05/28/2025 | 23:26:44 | 69.98,-175.50 | 48.29 | 3.16 | 56 |
| 9 | 05/31/2025 | 14:03:11 | 70.19, -34.61 | 48.12 | 05/31/2025 | 14:04:16 | 70.20, -34.58 | 48.12 | 1.92 | 65 |
| 10 | 05/31/2025 | 14:53:52 | -70.06, 132.90 | 132.02 | 05/31/2025 | 14:53:46 | -70.09, 132.90 | 131.99 | 3.59 | 6 |
| 11 | 05/31/2025 | 15:44:30 | 69.61, -59.11 | 47.51 | 05/31/2025 | 15:43:19 | 69.65, -60.07 | 47.58 | 37.31 | 71 |
| 12 | 06/03/2025 | 06:20:08 | 70.16, 81.19 | 47.75 | 06/03/2025 | 06:20:46 | 70.13, 81.21 | 47.71 | 3.34 | 38 |
| 13 | 06/03/2025 | 07:10:49 | -70.04,-111.30 | 132.39 | 06/03/2025 | 07:10:16 | -70.03,-111.31 | 132.40 | 0.81 | 33 |
| 14 | 06/05/2025 | 21:46:31 | -70.80, 28.62 | 131.88 | 06/05/2025 | 21:47:40 | -70.65, 30.22 | 132.08 | 60.72 | 69 |
| 15 | 06/05/2025 | 22:37:04 | 70.09,-162.94 | 47.37 | 06/05/2025 | 22:37:15 | 70.10,-162.95 | 47.38 | 1.52 | 11 |
| 16 | 06/05/2025 | 23:27:46 | -70.02, 4.49 | 132.71 | 06/05/2025 | 23:26:45 | -70.00, 4.54 | 132.72 | 2.53 | 61 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/23/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/23/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8