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: 3/11/2025
| 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 | 03/12/2025 | 14:03:23 | 70.47, -35.01 | 73.57 | 03/12/2025 | 14:04:34 | 70.38, -34.43 | 73.44 | 23.94 | 71 |
| 2 | 03/12/2025 | 14:54:00 | -70.12, 132.85 | 106.81 | 03/12/2025 | 14:54:07 | -70.10, 132.81 | 106.84 | 2.94 | 7 |
| 3 | 03/12/2025 | 15:44:44 | 70.00, -59.66 | 73.05 | 03/12/2025 | 15:43:34 | 69.99, -59.70 | 73.05 | 1.80 | 70 |
| 4 | 03/15/2025 | 06:20:13 | 70.23, 81.14 | 72.25 | 03/15/2025 | 06:21:04 | 70.21, 81.21 | 72.22 | 3.26 | 51 |
| 5 | 03/15/2025 | 07:10:54 | -70.08,-111.32 | 107.92 | 03/15/2025 | 07:10:34 | -70.10,-111.31 | 107.90 | 1.84 | 20 |
| 6 | 03/15/2025 | 08:01:22 | 69.12, 57.40 | 71.06 | 03/15/2025 | 08:00:16 | 69.16, 55.06 | 71.20 | 92.65 | 66 |
| 7 | 03/17/2025 | 22:37:06 | 70.15,-162.97 | 71.11 | 03/17/2025 | 22:37:31 | 70.17,-162.96 | 71.12 | 1.50 | 25 |
| 8 | 03/17/2025 | 23:27:48 | -70.06, 4.49 | 109.01 | 03/17/2025 | 23:27:01 | -70.06, 4.52 | 109.00 | 1.07 | 47 |
| 9 | 03/20/2025 | 14:03:17 | -70.35, 145.19 | 109.74 | 03/20/2025 | 14:04:28 | -70.31, 145.49 | 109.80 | 12.08 | 71 |
| 10 | 03/20/2025 | 14:53:59 | 70.14, -47.19 | 70.04 | 03/20/2025 | 14:53:56 | 70.14, -47.11 | 70.03 | 2.94 | 3 |
| 11 | 03/20/2025 | 15:44:40 | -69.99, 120.37 | 110.15 | 03/20/2025 | 15:43:27 | -69.98, 120.30 | 110.14 | 2.87 | 73 |
| 12 | 03/23/2025 | 06:20:08 | -70.19, -98.79 | 110.98 | 03/23/2025 | 06:20:55 | -70.19, -98.79 | 110.98 | 0.73 | 47 |
| 13 | 03/23/2025 | 07:10:52 | 70.09, 68.66 | 68.92 | 03/23/2025 | 07:10:22 | 70.07, 68.69 | 68.90 | 2.37 | 30 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/11/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/11/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8